中外型钢代用表

STEEL SECTION COMPARISON

hot rolled steel H section

hot rolled channle steel

hot rolled equal leg angle

hot rolled unequal leg angle

cold formed square hollow section

cold formed rectaagle hollow section

hot rolled square hollow section

hot rolled rectangle hollow section

NOTE:

CHINA'S STANDARD OF HOT ROOLED HOLLOW SECTION TO HAS NOT FOUND PREAENTLY.

HOT ROLLED STEEL H SECTIONS COMPARISON BETWEEN DIN 1025/EURONORM 53-62 AND GB/T11263 DIN 1025GB/T11263

DIN 1025/ EURONORM 53h b s t r1

sec.

area

/mm2

mass

kg/m

I x/cm4W x/cm3i x/cm I y/cm4W y/cm3i y/cm GB/T11263-1998

GB/T11263

-2005

h b s t r1

sec.

area

mm2

mass

kg/m

I x/cm4W x/cm3i x/cm I y/cm4W y/cm3i y/cm

IPE 808046 3.8 5.257.64 6.080.120 3.248.49 3.69 1.05

HT 100X509548 3.2 4.587.62 6.0109.723.1 3.798.4 3.5 1.05

HT 100X1009699 4.56816.2112.7272.756.8 4.197.119.6 2.45 IPBl 100 / HE 100 A96100581221.216.734972.8 4.0613426.8 2.51

HT 100X5097494 5.589.387.4141.829.2 3.8910.9 4.4 1.08

HN 100X50(r1=10)HN 100X501005057811.859.319138.2 4.0214.7 5.9 1.11 IPE 10010055 4.1 5.7710.38.117134.2 4.0715.9 5.79 1.24

IPB 100 / HE 100 B 1001006101226.020.445089.9 4.1616733.5 2.53HW 100X100(r1=10)HW 100X10010010068821.5916.938677.1 4.2313426.7 2.49 IPBl 120 / HE 120 A114120581225.319.9606106 4.8923138.5 3.02

HT 125X6011858 3.2 4.589.267.3202.434.3 4.6814.7 5.1 1.26

HT 125X125119123 4.56820.1215.8523.688 5.1186.230.3 3.04

HT 125X60120594 5.5811.408.9259.743.3 4.7718.9 6.4 1.29 IPE 12012064 4.4 6.3713.210.431853 4.927.78.65 1.45

IPBv 100 / HE 100 M12010612201253.241.81140190 4.6339975.3 2.74

IPB 120 / HE 120 B 120120 6.5111234.0 26.7 864144 5.0431852.9 3.06

HN 125X60(r1=10)HN 125X601256068816.6913.1407.765.2 4.9429.19.7 1.32

HW 125X125(r1=10)HW 125X125125125 6.59830.0023.6843135 5.329346.9 3.13 IPBl 140 / HE 140 A133140 5.58.51231.424.71030155 5.7338955.6 3.52

HT 150X10013997 3.2 4.5813.4410.5447.364.4 5.7768.514.1 2.26 IPE 14014073 4.7 6.9716.412.954177.3 5.7444.912.3 1.65

IPBv 120 / HE 120 M14012612.5211266.452.12020288 5.51703112 3.25

IPB 140 / HE 140 B 1401407121243.033.71510216 5.9355078.5 3.58

HT 150X10014299 4.56818.2814.3632.789.1 5.8897.219.6 2.31

HT 150X15014414757827.7721.81070148.6 6.21378.451.1 3.69

HT 150X7514573 3.2 4.5811.479.0383.252.9 5.7829.38 1.6

HT 150X75147744 5.5814.1311.148866.4 5.8837.310.1 1.62

HT 150X150********.5833.6826.41338182.1 6.3468.962.9 3.73

HM 150X100(r1=13)HM 150X10014810069826.3520.7995.3134.5 6.15150.330.1 2.39

HN 150X75(r1=10)HN 150X751507557817.8514.0645.786.1 6.0149.413.2 1.66

HW 150X150(r1=13)HW 150X150150*********.6531.11620216 6.3956375.1 3.77 IPBl 160 / HE 160 A152160691538.830.41670220 6.5761676.9 3.98

IPE 1601608257.4920.115.8869109 6.5868.316.7 1.84

IPBv 140 / HE 140 M16014613221280.663.23290411 6.391140157 3.77

IPB 160 / HE 160 B 1601608131554.342.62490311 6.78889111 4.05

HT 175X175167173571333.3226.21731207.27.21604.569.9 4.26

HT 175X9016888 3.2 4.5813.5610.6619.673.8 6.7651.211.6 1.94

HT 175X901718946817.5913.8852.199.7 6.9670.615.92 IPBl 180 / HE 180 A17118069.51545.335.525102947.45925103 4.52

HT 175X175172175 6.59.51344.6535.02466286.87.43849.297.1 4.36

HN 175X90(r1=13)HN 175X901759058822.9018.01174134.27.1697.421.6 2.06

HW 175X175HW 175X1751751757.5111351.4340.429183347.53983112 4.37 IPE 18018091 5.38923.918.813201467.4210122.2 2.05

IPBv 160 / HE 160 M18016614231597.176.251005667.251760212 4.26

IPB 180 / HE 180 B 1801808.5141565.351.238304267.661360151 4.57

HT 200X150188149 4.56826.3520.71669177.67.9633144.4 3.54 IPBl 200 / HE 200 A190200 6.5101853.842.336903898.281340134 4.98

HT 200X200192198681343.6934.32984310.88.261036104.6 4.87

HT 200X10019398 3.2 4.5815.2612.092195.47.7770.714.4 2.15

HM 200X150(r1=16)HM 200X15019415069838.1129.92586266.68.24506.667.6 3.65

HT 200X1001969946819.7915.51260128.67.9897.219.6 2.22

HN 200X100(r1=13)HN 200X10019899 4.57822.6917.81484149.98.09113.422.9 2.24 IPE 200200100 5.68.51228.522.419401948.2614228.5 2.24HN 200X100(r1=13)HN 200X100200100 5.58826.6720.91753175.38.11133.726.7 2.24 IPBv 180 / HE 180 M20018614.5241511388.974807488.132580277 4.77

IPB 200 / HE 200 B 2002009151878.161.357005708.542000200 5.07HW 200X200(r1=16)HW 200X2002002008121363.5349.947174728.621601160 5.02

HW 200X200(r1=16)#

HP 200X200(r1=16)

HW 200X20020020412121371.5356.249844988.351701167 4.88

1 of 4

HOT ROLLED STEEL H SECTIONS COMPARISON BETWEEN DIN 1025/EURONORM 53-62 AND GB/T11263 DIN 1025GB/T11263

DIN 1025/ EURONORM 53h b s t r1

sec.

area

/mm2

mass

kg/m

I x/cm4W x/cm3i x/cm I y/cm4W y/cm3i y/cm GB/T11263-1998

GB/T11263

-2005

h b s t r1

sec.

area

mm2

mass

kg/m

I x/cm4W x/cm3i x/cm I y/cm4W y/cm3i y/cm

IPBl 220 / HE 220 A2102207111864.350.554105159.171950178 5.51

IPE 220220110 5.99.21233.426.227702529.1120537.3 2.48

IPBv 200 / HE 200 M2202061525181311031064096793650354 5.27

IPB 220 / HE 220 B 2202209.5161891.071.580907369.432840258 5.59

IPBl 240 / HE 240 A2302407.5122176.860.3776067510.127702316

HT 250X175238173 4.581339.1230.74045339.910.17690.879.9 4.2 IPE 240240120 6.29.81539.130.738903249.9728447.3 2.89

IPB 240 / HE 240 B24024010172110683.21126093810.33920327 6.08

IPBv 220 / HE 220 M24022615.526181491171460012209.895010444 5.79

HT 250X125244124 4.56825.8720.32529207.39.89190.930.8 2.72

HN 250X125(r1=13)HN 250X12524812458831.9925.13346269.810.23254.541.1 2.82

HN 250X125(r1=13)HN 250X12525012569836.9729.03868309.410.23293.547 2.82

HM 250X175(r1=16)HM 250X1752441757111355.4943.65908484.310.32983.5112.4 4.21

HP 250X250(r1=16)HW 250X25024425211111381.3163.8857370310.272937233 6.01

HW 250X250(r1=16)HW 250X2502502509141391.4371.81068985510.813648292 6.32

HW 250X250(r1=16)#

HP 250X250(r1=16)

HW 250X250250255141413103.9381.61134090710.453875304 6.11 IPBl 260 / HE 260 A2502607.512.52486.868.210450836113670282 6.5

IPB 260/ HE 260 B2602601017.52411893.014920115011.25130395 6.58

IPE 270270135 6.610.21545.936.1579042911.242062.2 3.02

IPBv 240 / HE 240 M270248183221200157242901800118150657 6.39

IPBl 280 / HE 280 A2702808132497.376.413670101011.947603407

IPB 280 / HE 280 B28028010.5182413110319270138012.165904717.09

HT 300X200286198681349.3338.77000489.511.911036104.6 4.58 IPBv 260 / HE 260 M2902681832.52422017231310216011.910450780 6.9

IPBl 300 / HE 300 A2903008.5142711288.318260126012.763104217.49

HT 300X150294148 4.561331.9025.04342295.411.67324.643.9 3.19

HM 300X200(r1=20)HM 300X2002942008121371.0555.810858738.612.361602160.2 4.75

HW 300X300(r1=20)#

HP 300X300(r1=20)

HW 300X300294302121213106.3383.516384111512.4155133657.2

HN 300X150(r1=16)HN 300X150298149 5.581340.8325911396.712.04441.759.3 3.29 IPE 3003001507.110.71553.842.2836055712.560480.5 3.35HN 300X150(r1=16)HN 300X150300150 6.591346.7836.76829455.312.08507.267.6 3.29

IPB 300 / HE 300 B3003001119271491172517016801385605717.58HW 300X300(r1=20)

HP 300X300(r1=20)

HW 300X300300300101513118.45932001013341367534507.55 HW 300X300(r1=20)

HP 300X300(r1=20)

HW 300X300300305151513133.45104.821135140912.5871024667.29

IPBv 280 / HE 280 M31028818.5332424018939550255012.8131609147.4

IPBl 320 / HE 320 A310300915.52712497.622930148013.669904667.49

IPB 320 / HE 320 B32030011.520.52716112730820193013.892406167.57

IPBv 320/305 / HE 300 C32030516292722517740950256013.5137409017.81

IPBl 340 / HE 340 A3303009.516.52713310527690168014.474404967.46

IPE 3303301607.511.51862.649.11177071313.778898.5 3.55

HP 350X350(r1=20)HW 350X350338351131313133.27104.627352161814.3393765348.39

HT 350X175340173 4.561336.9729.06823401.313.58518.359.9 3.74

HM 350X250(r1=20)HM 350X2503402509141399.5378.120867122714.483648291.9 6.05 IPB 340 / HE 340 B3403001221.52717113436660216014.696906467.53

IPBv 300 / HE 300 M340310213927303238592003480141940012508

HW 350X350(r1=20)#HW 350X350344348101613144.0111332545189215.0311*******.84

HW 350X350(r1=20)

HP 350X350(r1=20)

HW 350X350344354161613164.65129.334581201114.49118416698.48

HN 350X175(r1=16)HN 350X175346174691352.4541.210456604.414.12791.190.9 3.88

HN 350X175(r1=16)HN 350X1753501757111362.9149.412980741.714.36983.8112.4 3.95 IPBl 360 / HE 360 A3503001017.52714311233090189015.278905267.43

HP 350X350(r1=20)HW 350X350350350121913171.89134.939637226515.19135827768.89

2 of 4

HOT ROLLED STEEL H SECTIONS COMPARISON BETWEEN DIN 1025/EURONORM 53-62 AND GB/T11263 DIN 1025GB/T11263

DIN 1025/ EURONORM 53h b s t r1

sec.

area

/mm2

mass

kg/m

I x/cm4W x/cm3i x/cm I y/cm4W y/cm3i y/cm GB/T11263-1998

GB/T11263

-2005

h b s t r1

sec.

area

mm2

mass

kg/m

I x/cm4W x/cm3i x/cm I y/cm4W y/cm3i y/cm

HP 350X350(r1=20)HW 350X350350357191913196.39154.242138240814.65144278088.57

IPBv 320 / HE 320 M35930921402731224568130380014.81971012807.95

IPE 360360170812.71872.757.116270904151040123 3.79

IPB 360 / HE 360 B36030012.522.52718114243190240015.5101406767.49

IPBv 340 / HE 340 M37730921402731624876370405015.61971012807.9

HW 400X400(r1=24)#

HP 400X400(r1=24)

HW 400X400388402151522178.45140.148040247616.41162558099.54

HT 400X150390148681347.5737.31090055915.14433.258.5 3.02

HT 400X200390198681355.5743.613819708.715.771035104.6 4.32 IPBl 400 / HE 400 A39030011192715912545070231016.885605717.34HM 400X300(r1=24)HM 400X300390300101613133.25104.637363191616.757203480.27.35

HW 400X400(r1=24)#HW 400X400394398111822186.81146.655597282217.251892095110.06

HP 400X400(r1=24)HW 400X400394405181822214.39168.359165300316.61199519859.65 IPBv 360 / HE 360 M39530821402731925084870430016.31952012707.83

HN 400X150(r1=16)#HN 400X1504001508131370.3755.217906895.315.95733.297.8 3.23 IPE 4004001808.613.52184.566.323130116016.51320146 3.95

HN 400X200(r1=16)HN 400X2003961997111371.4156.119023960.816.321446145.3 4.5

HN 400X200(r1=16)HN 400X2004002008131383.3765.422775113916.531735173.5 4.56 IPB 400 / HE 400 B40030013.5242719815557680288017.1108207217.4

HW 400X400(r1=24)

HP 400X400(r1=24)

HW 400X400400400132122218.69171.766455332317.4322410112010.12

HW 400X400(r1=24)#

HP 400X400(r1=24)

HW 400X400400408212122250.69196.870722353616.82380411679.74

HW 400X400(r1=24)#

HP 400X400(r1=24)

HW 400X400414405182822295.39231.993518451817.2931022153210.25

HW 400X400(r1=24)#

HP 400X400(r1=24)

HW 400X400428407203522360.65283.1120892564918.3139357193410.45 IPBv 400 / HE 400 M432307214027326256104100482017.91933012607.7

IPBl 450 / HE 450 A44030011.5212717814063720290018.994706317.29HM 450X300(r1=24)HM 450X300440300111813153.89120.854067245818.748105540.37.25

HN 450X200(r1=20)HN 450X2004461998121382.9765.127146121718.091578158.6 4.36

HN 450X150#4501509142083.4165.527100120018793106 3.08 IPE 4504501909.414.62198.877.633740150018.51680176 4.12

HN 450X200(r1=20)HN 450X2004502009141395.4374.931973142118.31870187 4.43 IPB 450 / HE 450 B 45030014262721817179890355019.1117207817.33

HW 400X400(r1=24)*HW 400X400458417305022528.55414.9190939833819.0160516290210.7 IPBv 450 / HE 450 M478307214027335263131500550019.81934012607.59

HM 500X300(r1=28)HM 500X300482300111513141.17110.857212237420.136756450.4 6.92

HM 500X300(r1=28)HM 500X300488300111813159.17124.967916278320.668106540.47.14 IPBl 500 / HE 500 A49030012232719815586970355021103706917.24

HP 500X500(r1=28)*HW 500X500*492465152022257.95202.5115559469821.1733531144211.4

HN 500X200(r1=20)HN 500X2004961999141399.2977.939628159819.981842185.1 4.31

HW 400X400(r1=24)*HW 400X400498432457022770.05604.53047301223819.8994346436811.07

HN 500X150#50015010162098.2377.138500154019.89071213,04 IPE 50050020010.2162111690.748200193020.42140214 4.31HN 500X200(r1=20)HN 500X200500200101613112.2588.145685182720.172138213.8 4.36 IPB 500 / HE 500 B50030014.52827239187107200429021.2126208427.27

HP 500X500(r1=28)*HW 500X500*502465152522304.45239145012577721.8241910180311.73

HP 500X500(r1=28)*HW 500X500*502470202522329.55258.7150283598721.3543295184211.46

HN 500X200(r1=20)#HN 500X200506201111913129.31101.554478215320.532577256.4 4.46 IPBv 500 / HE 500 M524306214027344270161900618021.71915012507.46

IPBl 550 / HE 550 A54030012.52427212166111900415023108207217.15

HM 550X300544300111513147.89116.274874275322.496756450.4 6.76

HN 550X20054619991413103.7981.549245180421.781842185.2 4.21

HN 550X200550200101613117.2592.0566********.992138213.8 4.27 IPE 55055021011.117.22413410867120244022.32670254 4.45

3 of 4

4 of 4

HOT ROLLED CHANNEL STEEL COMPARISON BETWEEN DIN 1026 AND GB/T707

DIN 1026GB/T 707-1988

designation dimension of section X-X Y-Y Y-Y designation dimension of section X-X Y-Y Y1-Y1

DIN 1026h b s t r1r2sect.

area

/mm2

mass

kg/m

I x/cm4W x/cm3i x/cm I y/cm4W y/cm3i y/cm e y x M

GB/T 707

-1988

h b s t r1r2

sect.

area

/mm2

mass

kg/m

I x/cm4W x/cm3i x/cm I y/cm4W y/cm3i y/cm I Y/cm4Z0/cm

U 30X1530154 4.5 4.52 2.21 1.74 2.53 1.69 1.070.380.390.420.520.74

U 303033577 3.5 5.44 4.27 6.39 4.26 1.08 5.33 2.680.99 1.31 2.22

U 40X2040205 5.55 2.5 3.66 2.877.58 3.79 1.44 1.140.860.560.67 1.01

U 404035577 3.5 6.21 4.8714.17.05 1.5 6.68 3.081,04 1.33 2.32

U 50X2550255663 4.92 3.8616.8 6.73 1.85 2.49 1.480.710.81 1.34

55037 4.577 3.5 6.928 5.4382610.4 1.948.3 3.55 1.120.9 1.35 U 505038577 3.57.12 5.5926.410.6 1.929.12 3.75 1.13 1.37 2.47

U 6060306663 6.46 5.0731.610.5 2.21 4.51 2.160.840.91 1.5

6.36340 4.8

7.57.5 3.75

8.451 6.63450.816.1 2.45311.92 4.5 1.1928.4 1.36

6.5 #6540 4.3

7.57.5 3.75

8.547 6.70955.217 2.5412 4.59 1.1928.3 1.38 U 656542 5.57.57.54

9.037.0957.517.7 2.5214.1 5.07 1.25 1.42 2.6

88043588410.2488.04510125.3 3.1516.6 5.79 1.2737.4 1.43 U 808045688411.08.6410626.5 3.119.4 6.36 1.33 1.45 2.67

1010048 5.38.58.5 4.2512.74810.00719839.7 3.9525.67.8 1.4154.9 1.52 U 1001005068.58.5 4.513.510.620641.2 3.9129.38.49 1.47 1.55 2.93

12 #12053 5.599 4.515.36212.05934657.7 4.7537.410.2 1.5677.7 1.63 U 12012055799 4.517.013.436460.7 4.6243.211.1 1.59 1.6 3.03

12.612653 5.599 4.515.69212.31839162.1 4.9533810.2 1.5777.1 1.59

14a1405869.59.5 4.7518.51614.53556480.5 5.5253.213 1.7107 1.71 U 1401406071010520.416.060586.4 5.4562.714.8 1.75 1.75 3.3714b1406089.59.5 4.7521.31616.73360987.1 5.3561.114.1 1.69121 1.67

16a160536,51010521.69217.240866108 6.2873.316.3 1.83144 1.8 U 160160657.510.510.5 5.524.018.8925116 6.2185.318.3 1.89 1.84 3.5616160658.51010525.16219.752935117 6.183.417 1.82161 1.75

18a18068710.510.5 5.2525.69920.17412701417.0498.620 1.96190 1.88 U 1801807081111 5.528.022.01350150 6.9511422.4 2.02 1.92 3.751818070910.510.5 5.2529.29923.0001370152 6.8411121.5 1.95210 1.84

20a2007371111 5.528.83722.73717801787.8612824.2 2.11244 2.1 U 200200758.511.511.5632.225.319101917.714827 2.14 2.01 3.94202007591111 5.532.83125.77719101917.6414425.9 2.09268 1.95

22a22077711.511.5 5.7531.84624.99923902188.6715828.2 2.23298 2.1

2222079911.511.5 5.7536.24628.45325702348.4217630.1 2.21326 2.03 U 22022080912.512.5 6.537.429.426902458.4819733.6 2.3 2.14 4.2

24a #2407871212634.21726.8630502549.4517430.5 2.25325 2.1

24b #2408091212639.01730.62832802749.1719432.5 2.23355 2.03

24c #24082111212643.81734.39635702938.9621334.4 2.213882 U 240240859.51313 6.542.333.236003009.2224839.6 2.42 2.23 4.39

25a2507871212634.91727.41033702709.8217630.6 2.24322 2.07

25b2508091212639.91731.33535302829.4119632.7 2.22353 1.98

25c25082111212644.91735.26036902959.0721835.9 2.21384 1.92 U 26026090101414748.337.948203719.9931747.7 2.56 2.36 4.66

27a #270827.512.512.5 6.2539.28430.838436032310.521635.5 2.34393 2.13

27b #270849.512.512.5 6.2544.68435.0774690.134710.323937.7 2.31428 2.06

27c #2708611.512.512.5 6.2550.08439.3165018.137210.126139.8 2.23467 2.03

28a280827.512.512.5 6.2540.03431.427476034010.921835.7 2.33388 2.1

28b280849.512.512.5 6.2545.63435.823513036610.624237.9 2.3428 2.02

28c2808611.512.512.5 6.2551.23440.219550039310.426840.3 2.29463 1.95 U 280280951015157.553.341.8628044810.939957.2 2.74 2.53 5.02

30a #300857.513.513.5 6.7543.90234.4636047.940311.726041.1 2.43467 2.17

30b #300879.513.513.5 6.7549.90239.1736447.943311.428944 2.41515 2.13

30c #3008911.513.513.5 6.7555.90243.8336947.946311.231546.4 2.38560 2.09 U 300300100101616858.846.2803053511.749567.8 2.9 2.7 5.41

32a3208881414748.51338.0837********.530546.5 2.5552 2.24

32b32090101414754.91343.107814050912.233649.2 2.47593 2.16

32c32092121414761.31348.131869054311.937452.6 2.47643 2.09 U 3203201001417.517.58.7575.859.51087067912.159780.6 2.81 2.6 4.82

U 350350100141616877.360.61284073412.957075 2.72 2.4 4.45

36a3609691616860.91041.814119006601445563.5 2.73818 2.44

36b36098111616868.11053.4661270070313.649766.9 2.7880 2.37

36c360100131616875.31059.1181340074613.453670 2.67948 2.34

1 of 2

2 of 2

HOT ROLLED EQUAL LEG ANGLE COMPARISON BETWEEN DIN 1028 AND GB/T9787

DIN 1028

GB/T 9787-1988

designation dimension of section Distance of centre of gravity

X-X=Y-Y ζ-ζ

η-η

dimension of section

Distanc e of centre X-X=Y-Y ζ-ζ

η-η

X1-X1DIN 1028

a

s

r 1

r 2

sectio

nal

area

mass kg/m e cm

ωcm

v 1cm

v 2cm

I x cm

4

W x cm

3

i x cm

I ζcm

4

i ζcm

I ηcm

4

w ηcm

3

i ηcm

GB/T 9787-1988

a

s

r 1

r 2

sect.

area

mm

2

mass kg/m e cm I x cm

4

W x cm

3

i x cm

I ζcm

4

w ζcm

3

i ζcm

I ηcm

4

w ηcm

3

i ηcm

I X1cm 4

20X3203 3.52 1.120.880.60 1.410.850.700.390.280.590.620.740.150.180.372203 3.51 1.1320.8890.600.40.290.590.630.450.750.170.20.390.812204 3.5 1.3 1.549 1.1450.640.50.360.580.780.550.730.220.240.38 1.0925X3253 3.52 1.42 1.120.73 1.77 1.030.870.790.450.75 1.270.950.310.30.47 2.5253 3.51 1.432 1.1240.730.820.450.76 1.290.730.950.340.330.49 1.5725X4254 3.52 1.85 1.450.76 1.77 1.080.89 1.010.580.74 1.610.930.40.370.47 2.5254 3.5 1.3 1.859 1.4590.76 1.030.590.74 1.620.920.930.430.40.48 2.1130X33035 2.5 1.74 1.360.84 2.12 1.18 1.04 1.410.650.9 2.24 1.140.570.480.57 2.5303 4.51 1.749 1.3730.85 1.460.680.91 2.31 1.09 1.150.610.510.59 2.7130X43045 2.5 2.27 1.780.89 2.12 1.24 1.05 1.810.860.89 2.85 1.120.760.610.57 2.5

30

4

4.5

1.3

2.276

1.786

0.89

1.840.870.9

2.92 1.37 1.13

0.770.62

0.58

2.63

(30X5)3055 2.5 2.78 2.180.92 2.12 1.30 1.07 2.16 1.040.88 3.14 1.110.910.70.8835X43545 2.5 2.67 2.1 1.00 2.47 1.41 1.24 2.96 1.18 1.05 4.68 1.33 1.240.880.6835X5

35

5

5

2.5

3.28

2.57

1.04

2.47

1.47

1.25

3.56

1.45

1.04

5.63

1.31

1.49

1.1

0.67

3.6363

4.51 2.109 1.656 1.00 2.580.99 1.11 4.09 1.61 1.39 1.070.760.71 4.683.6364 4.5 1.3 2.756 2.163 1.04 3.29 1.28 1.09

5.22 2.05 1.38 1.370.930.7

6.253.6365 4.5 1.7 3.382 2.654 1.07 3.95 1.56 1.08 6.24 2.45 1.36 1.65 1.090.7

7.84440351 2.359 1.852 1.09 3.59 1.23 1.23 5.69 2.01 1.55 1.490.960.79 6.4140X440463 3.08 2.42 1.12 2.83 1.58 1.40 4.48 1.55 1.217.09 1.52 1.86 1.180.7844045 1.3 3.086 2.422 1.13 4.6 1.6 1.227.29 2.58 1.54 1.91 1.190.79

8.5640X540563 3.79 2.97 1.16 2.83 1.64 1.42 5.43 1.91 1.28.64 1.64 2.22 1.350.7744055 1.7 3.791 2.976 1.17 5.53 1.96 1.218.76 3.1 1.52 2.3 1.390.7810.744.545351 2.659 2.088 1.22 5.17 1.58 1.48.2 2.58 1.76 2.14 1.240.9 1.2245X44547 3.5 3.49 2.74 1.23 3.18 1.75 1.57 6.43 1.97 1.3610.2 1.71 2.68 1.530.88 4.54545 1.3 3.468 2.736 1.26 6.65 2.05 1.3810.56 3.32 1.74 2.75 1.540.89 1.2645X5

45

5

7

3.5

4.3

3.38

1.28

3.18

1.81

1.58

7.83

2.43

1.35

12.4

1.7

3.25

1.8

0.87

4.54555 1.7 4.292 3.369 1.308.04 2.51 1.3712.744 1.72 3.33 1.810.88 1.34.545652

5.076 3.985 1.339.33 2.95 1.3614.76 4.64 1.7 3.89 2.060.88 1.335503 5.51 2.971 2.332 1.347.18 1.96 1.5511.37 3.22 1.96 2.98 1.57112.55504 5.5 1.3 3.897 3.059 1.389.26 2.56 1.5414.7 4.16 1.94 3.82 1.960.991

6.6950X55057 3.5 4.8 3.77 1.40 3.54 1.98 1.7611 3.05 1.511

7.4 1.9 4.59 2.320.985505 5.5 1.7 4.083 3.770 1.4211.21 3.13 1.5317.79 5.03 1.92 4.64 2.310.9820.950X65067 3.5 5.69 4.47 1.45 3.54 2.04 1.7712.8 3.61 1.520.4 1.89 5.24 5.270.965506 5.52 5.688 4.465 1.4613.05 3.68 1.5220.68 5.85 1.91 5.42 2.630.9325.14

50X75077 3.5 6.56 5.15 1.49 3.54 2.11 1.7814.6 4.15 1.4923.1 1.88 6.02 2.850.96(55X6)55684 6.31 4.95 1.56 3.89 2.21 1.9417.3 4.4 1.6627.4 2.087.24 3.28 1.07

5.656361 3.343 2.624 1.4810.19 2.48 1.751

6.14 4.08 2.2 4.24 2.02 1.131

7.565.65646 1.3 4.390 3.446 1.5313.18 3.24 1.7320.92 5.28 2.18 5.46 2.52 1.1123.435.65656 1.7 5.415 4.251 1.5716.02 3.97 1.7225.42 6.42 2.17 6.61 2.98 1.129.335.6

5686 2.78.376 6.568 1.6823.63 6.03 1.6837.379.44 2.119.89 4.16 1.0947.24

60X560584 5.82 4.57 1.64 4.24 2.32 2.1119.4 4.45 1.8230.7 2.38.03 3.46 1.1760X660684 6.91 5.42 1.69 4.24 2.39 2.1122.8 5.29 1.8236.1 2.299.43 3.95 1.1760X8

60

8

8

4

9.03

7.09

1.77

4.24

2.50

2.14

29.1

6.88

1.8

46.1

2.26

12.1

4.84

1.18

6.36347 1.3 4.978 3.907 1.7019.03 4.13 1.9630.17 6.78 2.46

7.89 3.29 1.2633.356.36357 1.7 6.143 4.822 1.7423.17 5.08 1.9436.77

8.25 2.45

9.57 3.9 1.2541.736.3636727.288 5.721 1.7827.126 1.9343.039.65 2.4311.2 4.46 1.2450.146.36387 2.79.5157.469 1.8534.467.75 1.954.5612.25 2.414.33 5.47 1.2367.116.3

63107 3.311.6579.151 1.9341.099.39 1.8864.8514.56 2.3617.33 6.36 1.2284.3165X7

65

7

9

4.5

8.7

6.83

1.85

4.60

2.62

2.29

33.4

7.18

1.96

53

2.47

13.8

5.27

1.26

77048 1.3 5.570 4.372 1.8626.39 5.14 2.1841.88.44 2.7610.99 4.17 1.445.7477058 1.7 6.875 5.397 1.9132.21 6.32 2.1651.0810.32 2.7313.34 4.95 1.3957.21(70X6)7069 4.58.13 6.38 1.93 4.95 2.73 2.4636.97.27 2.1358.5 2.6815.3 5.6 1.377706828.160 6.406 1.9537.777.48 2.1559.9312.11 2.7115.61 5.67 1.3868.7370X77079 4.59.47.38 1.97 4.95 2.79 2.4742.48.43 2.1267.1 2.6717.6 6.31 1.3777078 2.39.4247.398 1.9943.098.59 2.1468.3513.81 2.6917.82 6.34 1.3880.2977088 2.710.6678.373 2.0348.179.68 2.1276.3715.43 2.6819.98 6.98 1.3791.9270X9

70

9

9

4.5

11.9

9.34

2.05

4.95

2.90

2.50

52.6

10.6

2.1

83.1

2.64

22

7.59

1.36

7.57559 1.77.412 5.818 2.0439.977.32 2.3363.311.94 2.9216.63 5.77 1.570.567.5756928.797 6.905 2.0746.958.64 2.3174.3814.02 2.919.51 6.67 1.4984.5575X775710510.17.94 2.09 5.30 2.95 2.6352.49.67 2.2883.6 2.8821.17.15 1.457.57579 2.310.1607.976 2.1153.579.93 2.384.9616.02 2.8922.187.44 1.4898.7175X875810511.59.03 2.13 5.30 3.01 2.8558.911,0 2.2693.3 2.8524.48.11 1.46

7.57589 2.711.5039.030 2.1559.9611.2 2.2895.0717.93 2.8824.868.19 1.47112.977.575109 3.314.12611.089 2.2271.9813.64 2.26113.9221.48 2.8430.059.56 1.46141.7188059 1.77.912 6.211 2.1548.798.34 2.4877.3313.67 3.1320.25 6.66 1.685.3680X68061059.357.34 2.17 5.66 3.07 2.8055.89.57 2.4488.5 3.0823.17.54 1.578806929.3977.376 2.1957.359.87 2.4790.9816.08 3.1123.727.65 1.59102.588079 2.310.6808.525 2.2365.5811.37 2.46104.0718.4 3.127.098.58 1.58119.780X880810512.39.66 2.26 5.66 3.20 2.8272.312.6 2.42115 3.0529.69.25 1.5588089 2.712.3039.658 2.2773.4912.83 2.44116.620.61 3.0830.399.46 1.57136.9780X10801010515.111.9 2.34 5.66 3.31 2.8587.515.5 2.41139 3.0335.910.9 1.54880109 3.315.12611.874 2.3588.4315.64 2.42140.0924.76 3.0436.7711.08 1.56171.74990610210.6378.350 2.4482.7712.61 2.79131.2620.63 3.5134.289.95 1.8145.8790X790711 5.512.29.61 2.45 6.36 3.47 3.1692.514.1 2.75147 3.4636.311 1.77990710 2.312.3019.565 2.4894.8314.54 2.78150.4723.64 3.539.1811.19 1.78170.3990810 2.713.94410.946 2.52106.4716.42 2.76168.9726.55 3.4843.9712.35 1.78194.890X9

90

9

11

5.5

15.5

12..2

2.54

6.36

3.59

3.18

116

18

2.74

184

3.45

47.8

13.3

1.76

9901010 3.317.16713.476 2.59128.5820.07 2.74203.932.04 3.4553.2614.52 1.76244.0799********.30615.940 2.67149.2223.57 2.71236.2137.12 3.4162.2216.49 1.75293.7610100612211.9329.366 2.67114.9515.68 3.1181.9825.74 3.947.9212.692200.0710100712 2.313.79610.830 2.71131.8618.1 3.09208.9729.55 3.8954.7414.26 1.99233.54100X8100812615.512.2 2.747.07 3.87 3.5214519.9 3.05230 3.8559.915.5 1.9610100812 2.715.63812.276 2.76148.2420.47 3.08235.0733.24 3.8861.4115.73 1.98267.09100X101001012619.215.1 2.827.07 3.99 3.5417724.7 3.04280 3.8273.318.4 1.95101001012 3.319.26115.120 2.84179.5125.06 3.05284.6840.26 3.8474.3518.54 1.96334.48100X121001212622.717.8 2.907.07 4.10 3.5720729.2 3.02328 3.886.221 1.95

101001212422.80017.898 2.91208.9029.48 3.03330.9546.8 3.8186.8421.08 1.95402.34101001412 4.726.25620.611 2.99236.5333.733374.0652.9 3.779923.44 1.94470.75101001612 5.329.62723.257 3.06262.5337.82 2.98414.1658.57 3.74110.8925.63 1.94539.811110712 2.315.19611.928 2.96177.1622.05 3.41280.9436.12 4.373.3817.51 2.2310.6411

110

8

12

2.7

17.238

13.532

3.01

199.46

24.95

3.4

316.49

40.69

4.28

82.42

19.39

2.19

355.2

1 of 2

2 of 2

HOT ROLLED EQUAL LEG ANGLE COMPARISON BETWEEN DIN 1029 AND GB/T9788

DIN 1029GB/T 9788-1988

designation dimension of section Distance of centre of gravity X-X Y-Yζ-ζη-ηdesignation dimension of section X-X Y-Y X1-X1Y1-Y1η-η

DIN 1029a b s r1r2sectio

nal

area

mass

kg/m

e x

cm

e y

cm

w1

cm

w2

cm

v1

cm

v2

cm

v3

cm

I x

cm4

W x

cm3

i x

cm

Iy

cm4

I y

cm4

i y

cm

Iζ

cm4

iζ

cm

Iη

cm4

iη

cm

GB/T 9788

-1988

a b s r1r2

sectio

nal

area

mass

kg/m

I x

cm4

W x

cm3

i x

cm

I x

cm4

W x

cm3

i x

cm

I X1

cm4

e Y

cm

I Y1

cm4

e X

cm

Iη

cm4

wη

cm3

iη

cm

tan α

2.5/1.625163

3.51 1.1620.9120.700.430.780.220.190.44 1.560.860.430.420.140.160.340.392

2.5/1.625164

3.5 1.3 1.499 1.1760.880.550.770.270.240.43 2.090.900.590.460.170.200.340.381

30X20X330203 3.52 1.42 1.110.990.50 2.04 1.510.86 1.040.56 1.250.620.940.440.290.56 1.4310.250.42

30X20X430204 3.52 1.85 1.45 1.030.54 2.02 1.520.91 1.030.58 1.590.810.930.550.380.55 1.810.990.330.42

3.2/232203 3.51 1.492 1.171 1.530.72 1.010.460.300.55 3.27 1.080.820.490.280.250.430.382

3.2/232204 3.5 1.3 1.939 1.522 1.930.93 1.000.570.390.54

4.37 1.12 1.120.530.350.220.420.374 40X20X340203 3.52 1.72 1.35 1.430.44 2.61 1.770.79 1.190.46 2.79 1.08 1.270.470.30.52 2.96 1.310.30.42

40X20X440204 3.52 2.25 1.77 1.470.482,57 1.800.83 1.180.50 3.59 1.42 1.260.60.390.52 3.79 1.30.390.42

4/2.54025341 1.890 1.484 3.08 1.15 1.280.930.490.70 6.39 1.32 1.590.590.560.400.540.386 (40X25X4)4025442 2.46 1.93 1.360.62 2.69 1.90 1.10 1.350.68 3.89 1.47 1.26 1.160.620.69 4.35 1.330.70.534/2.5402544 1.3 2.467 1.936 3.93 1.49 1.26 1.180.630.698.53 1.37 2.140.630.710.520.540.381

4/2.54528351 2.149 1.687 4.45 1.47 1.44 1.340.620.799.10 1.47 2.230.640.800.510.610.383

4/2.5452845 1.3 2.806 2.203 5.69 1.91 1.42 1.700.800.7812.13 1.51 3.000.68 1.020.660.600.380 45X30X345303 4.52 2.19 1.72 1.430.70 3.09 2.23 1.21 1.590.80 4.47 1.46 1.43 1.60.70.86 5.15 1.560.930.650

45X30X445303 4.52 2.87 2.25 1.480.74 3.07 2.26 1.27 1.580.83 5.78 1.91 1.42 2.050.910.85 6.65 1.52 1.180.64

45X30X545303 4.52 3.53 2.77 1.520.78 3.05 2.27 1.32 1.580.85 6.99 2.35 1.41 2.47 1.110.848.02 1.51 1.440.64

50X30X450304 4.52 3.07 2.41 1.680.70 3.36 2.35 1.24 1.670.787.71 2.33 1.59 2.090.910.828.53 1.67 1.270.64

50X30X550305 4.52 3.78 2.96 1.730.74 3.33 2.38 1.28 1.660.809.41 2.88 1.58 2.54 1.120.8210.04 1.66 1.560.64

5/3.250323 5.51 2.431 1.908 6.24 1.84 1.60 2.020.820.9112.49 1.60 3.310.73 1.200.680.700.404

5/3.250324 5.5 1.3 3.177 2.4948.02 2.39 1.59 2.58 1.060.9016.65 1.65 4.450.77 1.530.870.690.402 (50X40X4)5040442 3.46 2.71 1.52 1.03 3.50 2.85 1.67 1.84 1.268.54 2.47 1.57 4.86 1.64 1.1910.9 1.78 2.460.84

50X40X55040542 4.27 3.35 1.56 1.07 3.49 2.88 1.73 1.84 1.2710.4 3.02 1.56 5.89 2.01 1.1813.3 1.78 3.020.84

5.6/3.65636361 2.743 2.1538.88 2.32 1.80 2.92 1.05 1.0317.54 1.78 4.700.80 1.730.870.790.408

5.6/3.6563646 1.3 3.590 2.81811.45 3.03 1.79 3.76 1.37 1.0223.39 1.82

6.330.85 2.23 1.130.780.408

5.6/3.6563656 1.7 4.415 3.46613.86 3.71 1.77 4.49 1.65 1.0129.25 1.877.940.88 2.67 1.360.780.404 60X30X56030563 4.29 3.37 2.150.68 3.90 2.67 1.20 1.770.7215.6 4.04 1.9 2.6 1.120.781

6.5 1.96 1.690.63

60X40X56040563 4.79 3.76 1.960.97 4.08 3.01 1.68 2.09 1.2017.2 4.25 1.89 6.11 2.02 1.1319.8 2.03 3.50.86

60X40X66040663 5.68 4.46 2.00 1.01 4.06 3.02 1.72 2.08 1.1220.1 5.03 1.887.12 2.38 1.1223.1 2.02 4.120.85

(60X40X7)6040763 6.55 5.14 2.04 1.05 4.04 3.03 1.77 2.07 1.1423 5.79 1.878.07 2.74 1.1126.32 4.730.85

6.3/4634047 1.3 4.058 3.18516.49 3.87 2.02 5.23 1.70 1.1433.30 2.048.680.92 3.12 1.400.880.398

6.3/4634057 1.7 4.993 3.92020.02 4.74 2.00 6.31 2.71 1.1241.63 2.0810.860.95 3.76 1.710.870.396

6.3/46340672 5.908 4.63823.36 5.59 1.96

7.29 2.43 1.1149.98 2.1213.120.99 4.34 1.990.860.393

6.3/4634077 2.3 6.802 5.33926.53 6.40 1.988.24 2.78 1.1058.07 2.1515.47 1.03 4.97 2.290.860.389 65X50X56550563 5.54 4.35 1.99 1.25 4.52 3.61 2.08 2.38 1.5023.1 5.11 2.0411.9 3.18 1.4728.8 2.28 6.21 1.06

(65X50X7)65507637.60 5.97 2.07 1.33 4.50 3.62 2.19 2.37 1.5231 6.99 2.0215.8 4.31 1.4438.4 2.258.37 1.05

(65X50X9)65509639.587.52 2.15 1.41 4.48 3.63 2.28 2.36 1.5738.28.77219.4 5.39 1.4247 2.2210.5 1.05

7/4.5704547.5 1.3 4.547 3.57023.17 4.86 2.267.55 2.17 1.2945.92 2.2412.26 1.02 4.40 1.770.980.410

7/4.5704557.5 1.7 5.609 4.40327.95 5.92 2.239.13 2.65 1.2857.10 2.2815.39 1.06 5.40 2.190.980.407

7/4.5704567.52 6.647 5.21832.54 6.95 2.2110.62 3.12 1.2668.35 2.3218.58 1.09 6.35 2.590.980.404

7/4.5704577.5 2.37.657 6.01137.228.03 2.2012.01 3.57 1.2579.99 2.3621.84 1.137.16 2.940.970.402 70X50X67050663 6.88 5.40 2.24 1.25 4.82 3.68 2.20 2.52 1.4238.27.04 2.2114.3 3.81 1.4439.9 2.417.94 1.07

7.5/5755058 1.7 6.125 4.80834.86 6.83 2.3912.61 3.30 1.4470.00 2.4021.04 1.177.41 2.74 1.100.435

7.5/575506827.260 5.69941.128.12 2.3814.70 3.88 1.4284.30 2.4425.39 1.218.54 3.19 1.080.435 75X50X775507 6.5 3.58.30 6.51 2.48 1.25 5.10 3.77 2.13 2.63 1.3846.49.24 2.3616.5 4.39 1.4153.3 2.539.56 1.07

7.5/5755088 2.79.4677.43152.3910.52 2.3518.53 4.99 1.40112.50 2.5234.23 1.2910.87 4.10 1.070.429 (75X50X9)75509 6.5 3.510.58.23 2.58 1.32 5.06 3.80 2.22 2.62 1.4457.411.6 2.3420.2 5.49 1.3965.7 2.511.9 1.07

7.5/57550108 3.311.5909.09862.7112.79 2.3321.96 6.04 1.38140.80 2.6043.43 1.3613.10 4.99 1.060.423 75X55X5755557 3.5 6.30 4.95 2.31 1.33 5.19 4.00 2.27 2.71 1.5835.5 6.84 2.3716.2 3.89 1.643.1 2.618.68 1.17

75X55X7755577 3.58.66 6.80 2.40 1.41 5.16 4.02 2.37 2.70 1.6247.99.39 2.3521.8 5.52 1.5957.9 2.5911.8 1.17

(75X55X9)755597 3.510.910.9 2.47 1.48 5.14 4.04 2.46 2.70 1.6659.411.8 2.3326.8 6.68 1.5771.3 2.5514.8 1.16

80X40X6804067 3.5 6.89 5.41 2.850.88 5.21 3.53 1.55 2.420.8944.98.73 2.557.59 2.44 1.0547.8 2.63 4.90.84

80X40X8804087 3.59.017.07 2.940.95 5.15 3.57 1.65 3.38 1.0457.611.4 2.539.68 3.18 1.0460.9 2.6 6.410.84

8/5805058.5 1.7 6.375 5.00541.967.78 2.5612.82 3.32 1.4285.210 2.6021.06 1.147.66 2.74 1.100.388

8/5805068.527.560 5.93549.499.25 2.5614.95 3.91 1.41102.530 2.6525.41 1.188.85 3.20 1.080.387

8/5805078.5 2.38.724 6.84856.1610.58 2.5416.96 4.48 1.39119.930 2.6929.82 1.2110.18 3.70 1.080.384

8/5805088.5 2.79.8677.74562.8311.92 2.5218.85 5.03 1.38136.410 2.7334.32 1.2511.38 4.16 1.070.381 80X60X780607849.387.36 2.51 1.52 5.55 4.42 2.70 2.92 1.685910.7 2.5128.4 6.34 1.7472 2.7715.4 1.28

80X65X8806588411.08.66 2.47 1.73 5.59 4.65 2.79 2.94 2.0568.112.3 2.4940.18.41 1.9188 2.8220.3 1.36

(80X65X10)8065108413.810.7 2.55 1.81 5.56 4.68 2.90 2.95 2.1182.215.1 2.4648.310.3 1.89106 2.7924.8 1.35

9/5.6905659 1.77.212 5.56160.459.92 2.9018.32 4.21 1.59121.32 2.9129.53 1.2510.93 3.49 1.230.385

9/5.690566928.557 6.71771.0311.74 2.8821.42 4.96 1.58145.59 2.9535.58 1.2912.90 4.13 1.230.384

9/5.6905679 2.39.8807.75681.0113.49 2.8624.36 5.70 1.57169.66 3.0041.71 1.3314.67 4.72 1.220.382

9/5.6905689 2.711.1838.77991.0315.27 2.8527.15 6.41 1.56194.17 3.0447.93 1.3616.34 5.29 1.210.380 90X60X6906067 3.58.69 6.82 2.89 1.41 6.14 4.50 2.46 3.16 1.6071.711.7 2.8725.8 5.61 1.7282.8 3.0914.6 1.3

90X60X8906087 3.511.48.96 2.97 1.49 6.11 4.54 2.56 3.15 1.6992.515.4 2.85337.31 1.7107 3.0619 1.29

100X50X61005069 4.58.73 6.85 3.49 1.04 6.50 4.39 1.91 2.98 1.1589.713.8 3.215.3 3.86 1.3295.2 3.39.78 1.06

100X50X81005089 4.511.58.99 3.59 1.13 6.48 4.44 2.00 2.95 1.1811618 3.1819.5 5.04 1.31123 3.2812.6 1.05

100X50X1010050109 4.514.111.1 3.67 1.20 6.43 4.49 2.08 2.91 1.2214122.2 3.1623.4 6.17 1.29149 3.2515.5 1.04

10/6.31006361029.6177.55099.0614.64 3.2130.94 6.35 1.79199.71 3.2450.50 1.4318.42 5.25 1.380.394

10/6.310063710 2.311.1118.722113.4519.88 3.2035.267.29 1.78233.00 3.2859.14 1.4721.00 6.02 1.380.393

10/6.310063810 2.712.5849.878127.3719.08 3.1839.398.21 1.77266.32 3.3267.88 1.5023.50 6.78 1.370.391

10/6.3100631010 3.315.46712.142153.8123.32 3.1547.129.98 1.74333.06 3.4085.73 1.5828.338.24 1.350.387 100X65X710065710511.28.77 3.23 1.51 6.83 4.91 2.66 3.48 1.7311316.8 3.1737.67.54 1.84128 3.3921.6 1.39

100X65X910065910514.211.1 3.32 1.59 6.78 4.94 2.76 3.46 1.7814121 3.1546.79.52 1.82160 3.3627.2 1.39

(100X65X11)100651110517.113.4 3.40 1.67 6.74 4.97 2.85 3.45 1.8316725.3 3.1355.111.4 1.8190 3.3432.6 1.38

(100X75X7)10075710511.99.32 3.06 1.83 6.96 5.42 3.10 3.61 2.1811817 3.1556.910.0 2.19145 3.4930.1 1.59

100X75X910075910515.111.8 3.15 1.91 6.91 5.45 3.22 3.63 2.2214821.5 3.137112.7 2.17181 3.4737.8 1.59

(100X75X11)100751110518.214.3 3.23 1.99 6.87 5.49 3.32 3.65 2.2717625.9 3.118415.3 2.15214 3.4445.4 1.58

10/810080610210.6378.350107.0415.19 3.1761.2410.16 2.40199.83 2.95102.68 1.9731.658.37 1.720.627

10/810080710 2.312.3019.656122.7317.52 3.1670.0811.71 2.39233.20 3.00119.98 2.0136.179.60 1.720.626

10/810080810 2.713.94410.946137.9219.81 3.1478.5813.21 2.37266.61 3.04137.37 2.0540.5810.80 1.710.625

10/8100801010 3.317.16713.476166.8724.24 3.1294.6516.12 2.35333.61 3.12172.48 2.1349.1013.12 1.690.622

11/711070610210.6378.350133.3717.85 3.5442.927.90 2.01265.78 3.5369.08 1.5725.36 6.53 1.540.403

11/711070710 2.312.3019.656153.0020.60 3.5349.019.09 2.00310.07 3.5780.32 1.6128.957.50 1.530.402

11/711070810 2.713.94410.946172.0423.30 3.5154.8710.25 1.98254.39 3.6292.70 1.6543.458.45 1.530.401

11/7110701010 3.317.16713.476208.3928.54 3.4865.8812.48 1.96443.13 3.70116.83 1.7239.2010.29 1.510.397 120X80X812080811 5.515.512.2 3.83 1.878.23 5.99 3.27 4.20 2.1622627.8 3.8280.813.2 2.29281 4.145.8 1.72

120X80X10120801011 5.519.115.0 3.92 1.958.18 6.03 3.37 4.19 2.1927634.1 3.896.116.2 2.27318 4.0756.1 1.71

120X80X12120801211 5.522.717.8 4.00 2.038.14 6.06 3.46 4.18 2.2532340.4 3.7711419.1 2.25371 4.0466.1 1.71

12.5/812580711 2.314.09611.066227.9826.86 4.0274.4212.01 2.30454.99 4.01120.32 1.8043.819.92 1.760.408

1 of 2

2 of 2

COLD FORMED SQUARE HOLLOW SECTION COMPARISON BETWEEN DIN DIN 59411-ISO 4019 AND GB/T 6728 DIN 59411-ISO 4019GB/T 6728-2002

designation dimension of section X-X=Y-Y dimension

of section

X-X=Y-Y

TORQUE

COEFFICIENT

DIN 59411

-ISO 4019 LXLXs L

permi

ssible

deviat

s

sectio

nal

area

mass

kg/m

I x

cm4

W x

cm3

i x

cm

J t

cm4

W t

cm4

GB/T 6728

-2002

LXLXs

L

permi

ssible

deviat

s

section

al

area

mass

kg/m

I x

cm4

W x

cm3

i x

cm

I t

cm4

W t

cm3

20X20X1.220±0.5 1.20.8650.6790.4980.4980.7590.8230.75

20X20X1.520±0.5 1.5 1.0520.8260.5830.5830.7440.9850.88

20X20X1.620±0.3 1.6 1.110.870.610.610.74 1.03 1.07

20X20X1.7520±0.5 1.75 1.1990.9410.6420.6420.732 1.1060.98 20X20X220±0.32 1.34 1.050.690.690.72 1.2 1.2720X20X2 20±0.5 2.0 1.340 1.0500.6920.6920.720 1.215 1.06

25X25X1.225±0.5 1.2 1.1050.867 1.0250.8200.963 1.655 1.24

25X25X1.525±0.5 1.5 1.352 1.061 1.2160.9730.948 1.998 1.47

25X25X1.7525±0.5 1.75 1.548 1.215 1.357 1.0860.936 2.261 1.65

25X25X2 25±0.5 2.0 1.736 1.363 1.482 1.1860.923 2.502 1.80

30X30X1.530±0.5 1.5 1.652 1.296 2.195 1.463 1.152 3.555 2.21 30X30X1.630±0.3 1.6 1.75 1.38 2.31 1.54 1.15 3.76 2.57

30X30X1.7530±0.5 1.75 1.898 1.490 2.470 1.646 1.140 4.048 2.49 30X30X230±0.32 2.14 1.68 2.72 1.81 1.13 4.51 3.130X30X2 30±0.5 2.0 2.136 1.677 2.721 1.814 1.128 4.511 2.75

30X30X2.530±0.5 2.5 2.589 2.032 3.154 2.102 1.103 5.347 3.20 30X30X2.630±0.3 2.6 2.68 2.1 3.26 2.18 1.1 5.5 3.84

30X30X3 30±0.5 3.0 3.008 2.361 3.500 2.333 1.078 6.060 3.58

40X40X1.540±0.5 1.5 2.525 1.767 5.498 2.744 1.5618.728 4.13 40X40X1.640±0.4 1.6 2.39 1.88 5.79 2.9 1.569.25 4.7

40X40X1.7540±0.5 1.75 2.598 2.039 6.237 3.118 1.54910.009 4.69 40X40X240±0.42 2.94 2.31 6.94 3.47 1.5411.2 5.7440X40X2 40±0.5 2.0 2.936 2.305 6.939 3.469 1.53711.238 5.23

40X40X2.540±0.5 2.5 3.598 2.8178.213 4.106 1.51213.539 6.32 40X40X2.640±0.4 2.6 3.72 2.928.45 4.23 1.51147.21

40X40X3 40±0.5 3.0 4.208 3.3039.320 4.660 1.48815.6287.07 40X40X3.240±0.4 3.2 4.45 3.499.72 4.86 1.4816.48.54

40X40X440±0.44 5.35 4.211.1 5.54 1.4419.210.140X40X4 40±0.5 4.0 5.347 4.19811.064 5.532 1.43819.1528.48

50X50X1.550±0.5 1.5 2.852 2.23811.065 4.426 1.96917.395 6.65 50X50X1.650±0.5 1.6 3.03 2.3811.7 4.68 1.9718.57.48

50X50X1.7550±0.5 1.75 3.298 2.58912.641 5.056 1.95720.0257.60 50X50X250±0.52 3.74 2.9314.2 5.66 1.9522.69.1850X50X2 50±0.5 2.0 3.736 2.93314.146 5.658 1.94522.5788.51

50X50X2.550±0.5 2.5 4.589 3.60216.941 6.776 1.92127.43610.22 50X50X2.650±0.5 2.6 4.76 3.7317.5 6.99 1.9228.411.6

50X50X3 50±0.5 3.0 5.408 4.24519.4637.785 1.89731.97211.77 50X50X3.250±0.5 3.2 5.73 4.5208.16 1.8933.713.9

50X50X450±0.54 6.95 5.4523.79.5 1.8540.116.750X50X4 50±0.5 4.0 6.947 5.45423.7259.490 1.84740.04714.43 50X50X550±0.558.14 6.3825.710.3 1.7746.219.4

60X60X260±0.62 4.54 3.5625.28.38 2.3539.713.460X60X2 60±0.6 2.0 4.540 3.56025.1208.380 2.35039.81012.60

60X60X2.560±0.6 2.5 5.589 4.38730.34010.113 2.32948.53915.22 60X60X2.660±0.6 2.6 5.8 4.5531.310.5 2.3250.317.1

60X60X3 60±0.6 3.0 6.608 5.18735.13011.710 2.30556.89217.65 60X60X3.260±0.6 3.27 5.536.912.3 2.360.120.5

60X60X460±0.648.55 6.7143.614.5 2.2672.224.860X60X4 60±0.6 4.08.547 6.71043.53914.513 2.25672.18821.97 60X60X560±0.6510.17.9648.616.2 2.1885.229.460X60X5 60±0.6 5.010.3568.12950.46816.822 2.20785.56025.61

70X70X2.570±0.65 2.5 6.590 5.17049.40014.100 2.74078.50021.20 70X70X2.670±0.6 2.6 6.84 5.3751.114.6 2.7381.223.6

1 of 5

DIN 59411-ISO 4019GB/T 6728-2002

designation dimension of section X-X=Y-Y dimension

of section

X-X=Y-Y

TORQUE

COEFFICIENT

DIN 59411

-ISO 4019 LXLXs L

permi

ssible

deviat

s

sectio

nal

area

mass

kg/m

I x

cm4

W x

cm3

i x

cm

J t

cm4

W t

cm4

GB/T 6728

-2002

LXLXs

L

permi

ssible

deviat

s

section

al

area

mass

kg/m

I x

cm4

W x

cm3

i x

cm

I t

cm4

W t

cm3

70X70X3 70±0.65 3.07.808 6.12957.52216.434 2.71492.18824.74

70X70X3.270±0.6 3.28.29 6.5160.617.3 2.797.628.4

70X70X470±0.6410.17.9772.120.6 2.6711834.670X70X4 70±0.65 4.010.1477.96672.10820.602 2.655117.97531.11 70X70X570±0.6512.19.528223.4 2.5914141.470X70X5 70±0.65 5.012.3569.69984.60224.172 2.616141.98336.65

80X80X2.580±0.7 2.57.589 5.95775.14718.787 3.147118.52028.22 80X80X2.680±0.7 2.67.88 6.1877.719.4 3.1412231.1

80X80X3 80±0.7 3.09.0087.07187.83821.959 3.122139.66033.02 80X80X3.280±0.7 3.29.577.5192.723.2 3.1114837.6

80X80X480±0.7411.89.2211127.8 3.071804680X80X4 80±0.7 4.011.7479.222111.03127.757 3.074179.80841.84 80X80X580±0.7514.111.112832321755.480X80X5 80±0.7 5.014.35611.269131.41432.853 3.025216.62849.68 80X80X6.380±0.7 6.317.213.514937 2.9425966.7

90X90X3 90±0.75 3.010.2088.013127.27728.283 3.531201.10842.51 90X90X3.290±0.75 3.210.98.5113529.9 3.5221348.1

90X90X490±0.75413.410.516236 3.4826058.990X90X4 90±0.75 4.013.34710.478161.90735.979 3.482260.08854.17 90X90X590±0.75516.112.718941.9 3.4131671.490X90X5 90±0.75 5.016.35612.839192.90342.867 3.434314.89664.71

90X90X6 90±0.75 6.019.23215.097220.42048.982 3.385365.45274.16 90X90X6.390±0.75 6.319.715.522149.1 3.3538085.6

100X100X3.2100±0.8 3.212.19.5218737.5 3.9329559.8

100X100X4100±0.841511.722645.3 3.9836173.5100X100X4 100±0.8 4.011.94711.734226.33745.267 3.891361.23168.10 100X100X5100±0.8518.114.226653.1 3.8244089.4100X100X5 100±0.8 5.018.35614.409271.07154.214 3.842438.98681.72

100X100X6 100±0.8 6.021.63216.981311.41562.283 3.794511.55894.12 100X100X6.3100±0.8 6.322.317.531462.8 3.76533109

110X110X4 110±0.9 4.016.54812.990305.94055.625 4.300486.47083.63

110X110X5 110±0.9 5.020.35615.980367.95066.900 4.252593.600100.74

110X110X6 110±0.9 6.024.03318.866424.57077.194 4.203694.850116.47 120X120X3.2120±0.9 3.214.711.533155.2 4.7551887.2

120X120X4120±0.9418.214.340267.1 4.71636107120X120X4 120±0.9 4.018.14714.246402.26067.043 4.708635.603100.75 120X120X5120±0.9522.117.447879.6 4.64780131120X120X5 120±0.9 5.022.35617.549485.44180.906 4.659776.632121.75

120X120X6 120±0.9 6.026.43220.749562.09493.683 4.611910.281141.22 120X120X6.3120±0.9 6.327.321.457295.3 4.58952161

120X120X8120±0.9833.626.4677113 4.491156197120X120X8 120±0.98.034.19126.840696.639116.106 4.5131155.010174.58

130X130X4 130±1.0 4.019.74815.502516.97079.534 5.117814.720119.48

130X130X5 130±1.0 5.024.35619.120625.68096.258 5.068998.220144.77

130X130X6 130±1.0 6.028.83322.634726.640111.790 5.0201173.600168.36

130X130X8 130±1.08.036.84228.921882.860135.820 4.8951502.100209.54 140X140X4140±1.0421.416.865293.1 5.521022148140X140X4 140±1.1 4.021.34716.758651.59853.085 5.5241022.176139.80 140X140X5140±1.0526.120.5780111 5.461259181140X140X5 140±1.1 5.026.35620.680790.523112.931 5.4761253.565169.78

140X140X6 140±1.1 6.031.23224.517920.359131.479 5.4281475.020197.90 140X140X6.3140±1.0 6.332.325.4941134 5.391545224

140X140X8140±1.084031.41127161 5.31892275140X140X8 140±1.18.040.59131.8641153.735164.819 5.3311887.605247.69 140X140X10140±1.01047.737.51268181 5.152245327

150X150X4150±1.242318808108 5.931264170150X150X4 150±1.2 4.022.94818.014807.820107.710 5.9331264.800161.73 150X150X5150±1.2528.122.1970129 5.871558209150X150X5 150±1.2 5.028.35622.260982.120130.950 5.8851554.100196.79

150X150X6 150±1.2 6.033.63326.4021145.900152.790 5.8371832.700229.84 150X150X6.3150±1.2 6.334.927.41174156 5.81917258

2 of 5

DIN 59411-ISO 4019GB/T 6728-2002

designation dimension of section X-X=Y-Y dimension

of section

X-X=Y-Y

TORQUE

COEFFICIENT

DIN 59411

-ISO 4019 LXLXs L

permi

ssible

deviat

s

sectio

nal

area

mass

kg/m

I x

cm4

W x

cm3

i x

cm

J t

cm4

W t

cm4

GB/T 6728

-2002

LXLXs

L

permi

ssible

deviat

s

section

al

area

mass

kg/m

I x

cm4

W x

cm3

i x

cm

I t

cm4

W t

cm3

150X150X8150±1.2843.233.91412188 5.712355319150X150X8 150±1.28.043.24233.9451411.800188.250 5.7142364.100289.03 150X150X10150±1.21051.740.61602214 5.562811381

160X160X4160±1.2424.619.3987123 6.341540194160X160X4 160±1.2 4.024.54719.270987.152123.394 6.3411540.134185.25 160X160X5160±1.2530.123.71189149 6.271901239160X160X5 160±1.2 5.030.35623.8291202.317150.289 6.2931893.787225.79

160X160X6 160±1.2 6.036.03228.2851405.408175.676 6.2452234.573264.18 160X160X6.3160±1.2 6.337.429.31442180 6.212344296

160X160X8160±1.2846.436.51741218 6.122887366160X160X8 160±1.28.046.99136.8881776.496222.052 6.1482876.940333.56 160X160X10160±1.21055.743.71990249 5.973464439

170X170X4 170±1.3 4.026.14820.5261191.30140.15 6.7501855.800210.37

170X170X5 170±1.3 5.032.35625.4001453.30170.97 6.7022285.300256.80

170X170X6 170±1.3 6.038.43330.1701701.60200.18 6.6542701.000300.91

170X170X8 170±1.38.049.64238.9692118.20249.20 6.5323503.100381.28 180X180X4180±1.3427.821.814221587.162209248180X180X4 180±1.4 4.027.7021.801422.00158.007.1602210.000237.00 180X180X5180±1.3534.126.817191917.092732305180X180X5 180±1.4 5.034.4027.001737.00193.007.1102724.000290.0

180X180X6 180±1.4 6.040.8032.102037.00226.007.0603223.000340.0 180X180X6.3180±1.3 6.342.433.320962337.033377378

180X180X8180±1.3852.841.52546283 6.944177470180X180X8 180±1.48.052.8041.502546.00283.00 6.9404189.000432.0 180X180X10180±1.31063.7502945327 6.795051567

180X180X12.5180±1.312.57760.53406379 6.656010680

190X190X4 190±1.5 4.029.3023.001680.00176.007.5702607.000265.0

190X190X5 190±1.5 5.036.4028.502055.00216.007.5203216.000325.0

190X190X6 190±1.5 6.043.2033.902413.00254.007.4703807.000381.0

190X190X8 190±1.58.056.0044.003208.00319.007.3504958.000486.0

200X200X4 200±1.6 4.030.9024.301968.00197.007.9703049.000295.0 200X200X5200±1.3538.129.923892397.913774379 200X200X5 200±1.6 5.038.4030.102410.00241.007.9303763.000362.0

200X200X6 200±1.6 6.045.6035.802833.00283.007.8804459.000426.0 200X200X6.3200±1.3 6.347.537.329222927.854676471

200X200X8200±1.3859.246.535673577.755803586 200X200X8 200±1.68.059.2046.503566.00357.007.7605815.000544.0 200X200X10200±1.31071.756.341624167.617055711 200X200X10200±1.61072.6057.004251.00425.007.6507072.000651.0 200X200X12.5200±1.312.58768.348594867.478456858

220X220X5220±1.4542.133.132122928.735052461 220X220X5 220±1.8 5.042.4033.203238.00294.008.7405038.000442.0

220X220X6 220±1.8 6.050.4039.603813.00347.008.7005976.000521.0 220X220X6.3220±1.4 6.352.541.219403588.666270574

220X220X8220±1.4865.651.548284398.577801716 220X220X8 220±1.88.065.6051.504828.00439.008.5807815.000668.0 220X220X10220±1.41079.762.656755168.439524871 220X220X10220±1.81080.6063.205782.00526.008.4709533.000804.0

220X220X12220±1.81293.7073.506487.00590.008.32011149.00922.0 220X220X12.5220±1.412.59776.266746078.29114801055

250X250X5250±1.5548.137.847713829.967463599 250X250X5 250±2.0 5.048.4038.004805.00384.009.9707443.00577.0

250X250X6 250±2.0 6.057.6045.205672.00454.009.9208843.00681.0 250X250X6.3250±1.5 6.360.147.158734709.899282747

250X250X8250±1.5875.259.172295789.811580934 250X250X8 250±2.08.075.2059.107299.00578.009.80011589.00878.0 250X250X10250±1.51091.77285686859.67142001141 250X250X10250±2.01092.6072.708707.00697.009.70014197.001062.0

250X250X12250±2.012108.0084.809859.00789.009.55016691.001226.0 250X250X12.5250±1.512.511288101608139.52172401389

260X260X5260±1.5550.139.4538641410.48410649

3 of 5

DIN 59411-ISO 4019GB/T 6728-2002

designation dimension of section X-X=Y-Y dimension

of section

X-X=Y-Y

TORQUE

COEFFICIENT

DIN 59411

-ISO 4019 LXLXs L

permi

ssible

deviat

s

sectio

nal

area

mass

kg/m

I x

cm4

W x

cm3

i x

cm

J t

cm4

W t

cm4

GB/T 6728

-2002

LXLXs

L

permi

ssible

deviat

s

section

al

area

mass

kg/m

I x

cm4

W x

cm3

i x

cm

I t

cm4

W t

cm3

260X260X6.3260±1.5 6.362.649.1663551010.310470809

260X260X8260±1.5878.461.6817862910.2130701012

260X260X10260±1.51095.775.1971574710.1160501239

260X260X12.5260±1.512.511791.9115508889.93194901510

280X280X5 280±2.2 5.054.4042.70681048611.210513730

280X280X6 280±2.2 6.064.8050.90805457511.112504863 280X280X6.3280±1.6 6.367.653.1835259711.113130942

280X280X8280±1.6884.866.61032073711164201180 280X280X8 280±2.28.084.8066.601031773711164361117 280X280X10280±1.61010481.41231087910.9202001447 280X280X10280±2.210104.6082.101247989110.9201731356

280X280X12280±2.212122.5096.1014232101710.8238041574 280X280X12.5280±1.612.512799.714690104910.8247001768

300X300X6 300±2.4 6.069.6054.7099646641215434997 300X300X6.3300±1.8 6.372.7571034068911.9162101085

300X300X8300±1.8891.271.61280085311.8202901361 300X300X8 300±2.48.091.2071.601280185311.8203121293 300X300X10300±1.81011287.715320102111.7250001671 300X300X10300±2.410113.0088.4015519103511.7249661572

300X300X12300±2.412132.00104.0017767118411.6295141829 300X300X12.5300±1.812.513710818.35122311.6305302045

320X320X6.3320±1.8 6.377.7611263078912.8197301238

320X320X8320±1.8897.676.61565097812.7247301554

320X320X10320±1.8101209418790117412.5305201911

320X320X12.5320±1.812.514711522570141112.4373302343

350X350X6 350±2.8 6.081.6064.101600891514246831372 350X350X6.3350±2.0 6.385.366.91644095114259301487

350X350X8350±2.0810784.220680118213.9325301868 350X350X8 350±2.88.0107.0084.2020618118213.9325571787 350X350X10350±2.01013210324920142413.8402102301 350X350X10350±2.810133.00104.0025189143913.8401272182

350X350X12350±2.812156.00123.0029054166013.6475982552 350X350X12.5350±2.012.516212730040171713.6493102827

400X400X8400±2.0812396.831270156315.9489102455 400X400X8 400±3.28.0123.0096.7031269156415.9489342362 400X400X10400±2.01015211937870189315.8605703031 400X400X10400±3.210153.00120.0038216191115.8604312892

400X400X12400±3.212180.00141.0044319221615.7718433395 400X400X12.5400±2.012.518714745880229415.7745003733

400X400X14400±3.214208.00163.0050414252115.6827353877

450X450X8 450±3.68.0139.00109.0044966199918700433016

450X450X10450±3.610173.00135.0055100244917.9866293702

450X450X12450±3.612204.00160.0064164285117.71031504357

450X450X14450±3.614236.00185.0073210325417.61190004989

500X500X8 500±4.08.0155.00122.0062172248720964833750

500X500X10500±4.010193.00151.0076341305419.91194704612

500X500X12500±4.012228.00179.0089187356819.81424205440

500X500X14500±4.014264.00207.00102010408019.71645306241

500X500X16500±4.016299.00235.00114260457019.61861407013

4 of 5

5 of 5

COLD FORMED RECTANGLE SECTION COMPARISON BETWEEN DIN DIN 59411-ISO 4019 AND GB/T 6728 DIN 59411-ISO 4019GB/T 6728-2002

designation dimension of section X-X Y-Y dimension of section X-X Y-Y

TORQUE

COEFFICIENT

DIN 59411

-ISO 4019 aXbXs a b

permissible

deviation

s

sect.

area

/mm2

mass

kg/m

I x

cm4

W x

cm3

i x

cm

I Y

cm4

W Y

cm3

i Y

cm

J t

cm4

W t

cm4

GB/T 6728

-2002

LXLXs

a b

permissible

deviation

s

section

al

area

mm2

mass

kg/m

I x

cm4

W x

cm3

i x

cm

I y

cm4

W y

cm3

i y

cm

I t

cm4

W t

cm3

30X20X1.53020±0.5 1.5 1.350 1.060 1.590 1.060 1.0800.8400.8400.788 1.830 1.40

30X20X1.753020±0.5 1.75 1.550 1.220 1.770 1.180 1.0700.9300.9300.777 2.070 1.56

30X20X23020±0.5 2.0 1.740 1.360 1.940 1.290 1.060 1.020 1.0200.765 2.290 1.71

30X20X2.53020±0.5 2.5 2.090 1.640 2.210 1.470 1.030 1.150 1.1500.742 2.680 1.95

40X20X34020±0.5 1.5 1.650 1.300 3.270 1.630 1.410 1.100 1.1000.815 2.740 1.91

40X20X1.64020±0.3 1.6 1.75 1.38 3.43 1.72 1.4 1.15 1.150.81 2.87 2.25

40X20X34020±0.5 1.75 1.900 1.490 3.680 1.840 1.390 1.230 1.2300.804 3.110 2.14 40X20X24020±0.32 2.14 1.68 4.05 2.03 1.38 1.34 1.340.79 3.42 2.7140X20X34020±0.5 2.0 2.140 1.680 4.050 2.020 1.380 1.340 1.3400.793 3.450 2.36

40X20X34020±0.5 2.5 2.590 2.030 4.690 2.350 1.350 1.540 1.5400.770 4.060 2.72 40X20X2.64020±0.3 2.6 2.68 2.1 4.81 2.4 1.34 1.57 1.570.77 4.11 3.32

40X20X34020±0.5 3.0 3.010 2.360 5.210 2.600 1.320 1.680 1.6800.748 4.570 3.00

40X25X1.54025±0.5 1.5 1.800 1.410 3.820 1.910 1.460 1.840 1.470 1.010 4.060 2.46

40X25X1.754025±0.5 1.75 2.070 1.630 4.320 2.160 1.440 2.070 1.6600.999 4.630 2.78

40X25X24025±0.5 2.0 2.340 1.830 4.770 2.390 1.430 2.280 1.8200.988 5.170 3.07

40X25X2.54025±0.5 2.5 2.840 2.230 5.570 2.790 1.400 2.640 2.1100.965 6.150 3.59

40X25X34025±0.5 3.0 3.310 2.600 6.240 3.120 1.370 2.940 2.3500.9427.000 4.01

40X30X1.54030±0.5 1.5 1.950 1.530 4.380 2.190 1.500 2.810 1.870 1.199 5.520 3.02

40X30X1.754030±0.5 1.75 2.250 1.770 4.960 2.480 1.480 3.170 2.110 1.187 6.310 3.42

40X30X24030±0.5 2.0 2.540 1.990 5.490 2.750 1.470 3.510 2.340 1.1767.070 3.79

40X30X2.54030±0.5 2.5 3.090 2.420 6.450 3.230 1.450 4.100 2.740 1.1538.470 4.46

40X30X34030±0.5 3.0 3.610 2.8307.270 3.630 1.420 4.600 3.070 1.1299.720 5.03

50X25X1.55025±0.5 1.5 2.100 1.650 6.650 2.660 1.780 2.250 1.800 1.040 5.520 3.41

50X25X1.755025±0.5 1.75 2.420 1.9007.550 3.020 1.760 2.540 2.030 1.024 6.320 3.54

50X25X25025±0.5 2.0 2.740 2.1508.380 3.350 1.750 2.810 2.250 1.0137.060 3.92

50X25X2.55025±0.5 2.5 2.340 2.6209.890 3.950 1.720 3.280 2.6200.9918.430 4.60

50X25X35025±0.5 3.0 3.910 3.07011.170 4.470 1.690 3.670 2.9300.9699.640 5.18

50X30X35030±0.5 1.5 2.252 1.7677.535 3.014 1.829 3.415 2.276 1.2317.587 3.83 50X30X1.65030±0.5 1.6 2.39 1.887.96 3.18 1.82 3.6 2.40.818.02 4.38

50X30X35030±0.5 1.75 2.598 2.0398.566 3.426 1.815 3.868 2.579 1.2208.682 4.35 50X30X25030±0.52 2.94 2.319.54 3.81 1.8 4.29 2.860.799.72 5.3450X30X35030±0.5 2.0 2.936 2.3059.535 3.814 1.801 4.291 2.861 1.2089.727 4.84

50X30X35030±0.5 2.5 3.589 2.81711.296 4.518 1.774 5.050 3.366 1.18611.666 5.72 50X30X2.65030±0.5 2.6 3.72 2.9211.6 4.65 1.78 5.22 3.480.7712 6.69

50X30X35030±0.5 3.0 4.206 3.30312.827 5.130 1.745 5.696 3.797 1.16313.401 6.49 50X30X3.25030±0.5 3.2 4.45 3.4913.4 5.35 1.73 5.93 3.95 1.23147.9

50X30X45030±0.54 5.35 4.215.3 6.1 1.69 6.69 4.46 1.2116.29.3250X30X45030±0.5 4.0 5.347 4.19815.239 6.095 1.688 6.682 4.455 1.11716.2147.77

50X40X1.55040±0.5 1.5 2.552 2.0039.300 3.720 1.908 6.602 3.301 1.60812.238 5.24

50X40X1.755040±0.5 1.75 2.948 2.31410.603 4.241 1.8967.518 3.759 1.59614.059 5.97

50X40X25040±0.5 2.0 3.336 2.61911.840 4.736 1.8838.348 4.192 1.58515.8177.67

50X40X2.55040±0.5 2.5 4.089 3.21014.121 5.648 1.8589.976 4.988 1.56219.2227.97

50X40X35040±0.5 3.0 4.808 3.77516.149 6.460 1.83311.382 5.691 1.53922.3369.12

50X40X45040±0.5 4.0 6.148 4.82619.4937.797 1.78113.677 6.839 1.49227.82011.06

55X25X1.55525±0.5 1.5 2.252 1.7678.453 3.074 1.937 2.460 1.968 1.045 6.273 3.46

55X25X1.755525±0.5 1.75 2.598 2.0399.606 3.493 1.922 2.779 2.223 1.0347.156 3.92

55X25X25525±0.5 2.0 2.936 2.30510.689 3.886 1.907 3.073 2.459 1.0237.992 4.34

55X40X1.55540±0.5 1.5 2.702 2.12111.674 4.245 2.0787.158 3.579 1.62714.017 5.79

55X40X1.755540±0.5 1.75 3.123 2.45213.329 4.847 2.0658.158 4.079 1.61616.175 6.61

55X40X25540±0.5 2.0 3.536 2.77614.904 5.419 2.0529.107 4.553 1.60418.2087.39

55X50X1.755550±0.5 1.75 3.473 2.72615.811 5.749 2.13313.660 5.464 1.98323.1738.42

55X50X25550±0.5 2.0 3.936 3.09017.714 6.441 2.12115.298 6.119 1.97126.1429.43

60X30X26030±0.6 2.0 3.337 2.62015.046 5.015 2.123 5.078 3.385 1.23412.570 5.88

60X30X2.56030±0.6 2.5 4.089 3.20917.933 5.977 2.094 5.998 3.998 1.21115.054 6.98

60X30X36030±0.6 3.0 4.808 3.77420.496 6.832 2.064 6.794 4.529 1.18817.3357.95

60X30X46030±0.6 4.0 6.147 4.82624.6918.230 2.0048.045 5.363 1.14321.1419.52 60X40X1.66040±0.6 1.6 3.03 2.3815.2 5.07 2.248.15 4.08 1.6416.97.16

60X40X26040±0.62 3.74 2.9318.4 6.14 2.229.83 4.92 1.6220.78.7860X40X26040±0.6 2.0 3.737 2.93418.412 6.137 2.2209.831 4.915 1.62220.7028.12

60X40X2.56040±0.6 2.5 4.589 3.60222.0697.356 2.19211.734 5.867 1.59525.0459.72 60X40X2.66040±0.6 2.6 4.76 3.7322.87.59 2.1912.1 6.05 1.5925.911.1

60X40X36040±0.6 3.0 5.408 4.24525.3748.458 2.16613.436 6.718 1.57629.12111.18 60X40X3.26040±0.6 3.2 5.73 4.526.68.87 2.1514.17.03 1.5730.713.3

60X40X46040±0.64 6.95 5.453110.3 2.1116.38.14 1.5336.315.960X40X46040±0.6 4.0 6.947 5.45130.97410.324 2.11116.2698.134 1.53036.29813.65 60X40X56040±0.658.14 6.3933.411.1 2.0317.68.79 1.4741.518.4

70X50X27050±0.6 2.0 4.537 3.56231.4758.993 2.63418.7587.503 2.03337.45412.20

70X50X37050±0.6 3.0 6.608 5.18744.04612.584 2.58126.09910.439 1.98753.42617.06

70X50X47050±0.6 4.08.547 6.71054.66315.618 2.52832.21012.884 1.94167.61321.18

1 of 4

COLD FORMED RECTANGLE SECTION COMPARISON BETWEEN DIN DIN 59411-ISO 4019 AND GB/T 6728 DIN 59411-ISO 4019GB/T 6728-2002

designation dimension of section X-X Y-Y dimension of section X-X Y-Y

TORQUE

COEFFICIENT

DIN 59411

-ISO 4019 aXbXs a b

permissible

deviation

s

sect.

area

/mm2

mass

kg/m

I x

cm4

W x

cm3

i x

cm

I Y

cm4

W Y

cm3

i Y

cm

J t

cm4

W t

cm4

GB/T 6728

-2002

LXLXs

a b

permissible

deviation

s

section

al

area

mm2

mass

kg/m

I x

cm4

W x

cm3

i x

cm

I y

cm4

W y

cm3

i y

cm

I t

cm4

W t

cm3

70X50X57050±0.6 5.010.3568.12963.43518.121 2.17137.17914.871 1.89479.90824.64

80X40X28040±0.72 4.54 3.5637.49.34 2.8712.7 6.36 1.6730.811.880X40X28040±0.7 2.0 4.536 3.56137.3559.339 2.86912.720 6.361 1.67430.88111.00

80X40X2.58040±0.7 2.5 5.589 4.38745.10311.275 2.84015.2557.627 1.65237.46713.28 80X40X2.68040±0.7 2.6 5.8 4.5546.611.7 2.8315.77.87 1.6538.815

80X40X38040±0.7 3.0 6.608 5.18752.24613.061 2.81117.5228.776 1.62943.68015.28 80X40X3.28040±0.7 3.27 5.554.913.7 2.818.49.21 1.624618

80X40X48040±0.748.55 6.7164.816.2 2.7521.510.7 1.5954.821.680X40X48040±0.7 4.08.547 6.71064.78016.195 2.75221.47410.737 1.58554.78718.84 80X40X58040±0.7510.17.9671.617.9 2.6623.811.9 1.5363.625.480X40X58040±0.7 5.010.3568.12975.08018.770 2.69224.56712.283 1.54064.11021.74

80X60X38060±0.7 3.07.808 6.12970.04217.510 2.99544.88614.962 2.39788.11124.14

80X60X48060±0.7 4.010.1477.96687.94521.976 2.94356.10518.701 2.351112.58330.33

80X60X58060±0.7 5.012.3569.699103.24725.811 2.89065.63421.878 2.304134.50335.67

90X40X39040±0.75 3.07.208 5.65870.48715.663 3.12719.6109.805 1.64951.19317.34

90X40X49040±0.75 4.09.3477.33887.89419.532 3.06624.07712.038 1.60464.32021.44

90X40X59040±0.75 5.011.3568.914102.48722.774 3.00427.65113.825 1.56075.42624.82

90X50X29050±0.75 2.0 5.337 4.19057.87812.862 3.29323.3689.347 2.09353.36615.88

90X50X2.59050±0.75 2.5 6.589 5.17270.26315.614 3.26628.23611.294 2.07065.29919.24 90X50X2.69050±0.75 2.6 6.84 5.3772.616.1 3.2629.211.7 2.0667.521.5

90X50X39050±0.75 3.07.808 6.12981.84518.187 3.23732.73513.094 2.04776.43322.32 90X50X3.29050±0.75 3.28.29 6.5186.319.2 3.2334.413.8 2.0480.825.9

90X50X49050±0.75410.27.9710322.8 3.1840.716.3297.231.490X50X49050±0.75 4.010.1477.996102.69622.821 3.18140.69516.278 2.00297.16227.96 90X50X59050±0.75512.19.5211625.8 3.094618.4 1.9311537.490X50X59050±0.75 5.012.3569.699120.57026.793 3.12347.34518.938 1.957115.43636.77

90X55X29055±0.75 2.0 5.536 4.34661.75013.733 3.34028.95710.530 2.28762.72417.06

90X55X2.59055±0.75 2.5 6.839 5.36875.04916.678 3.31333.06512.751 2.26476.87721.36

90X60X39060±0.75 3.08.408 6.60093.20320.711 3.32949.76416.588 2.432104.55227.39

90X60X49060±0.75 4.010.9478.594117.49926.111 3.27662.38720.795 2.387133.85234.50

90X60X59060±0.75 5.013.35610.484138.65330.811 3.22273.21824.406 2.311160.27340.71

95X50X29550±0.75 2.0 5.537 4.34766.08413.912 3.45524.2529.808 2.10457.45816.80

95X50X2.59550±0.75 2.5 6.839 5.36980.30616.906 3.24729.64711.895 2.08270.32420.36

100X50X310050±0.8 3.08.408 6.690106.45121.290 3.55836.05314.421 2.07088.31125.01

100X50X410050±0.8 4.010.9478.594134.12426.824 3.50044.93817.971 2.026112.40931.35

100X50X510050±0.8 5.013.35610.484158.15531.681 3.41152.42920.971 1.981133.75836.80 100X60X2.610060±0.8 2.67.88 6.1810721.3 3.6848.516.2 2.4810729

100X60X3.210060±0.8 3.29.577.5112725.5 3.6557.619.2 2.4512835.1

100X60X410060±0.8411.89.2215330.5 3.668.722.9 2.4215642.8

100X60X510060±0.8514.111.117535.1 3.5278.926.3 2.3618751.4

100X60X6.310060±0.8 6.317.213.520340.7 3.4490.930.3 2.322161.7

110X70X3.211070±0.8 3.210.98.5117932.6 4.0689.225.5 2.8819145.5

110X70X411070±0.8413.410.821639.3 4.0210730.6 2.8323355.7

110X70X511070±0.8516.112.725145.6 3.9412435.5 2.7728167.4

110X70X6.311070±0.8 6.319.715.529453.5 3.8614541.4 2.7133781.5

120X50X2.512050±0.9 2.58.089 6.350143.97023.995 4.21936.70414.682 2.13096.02626.01

120X50X3.012050±0.9 3.09.6087.543168.58028.097 4.18942.69317.077 2.108112.87030.32

120X60X312060±0.9 3.010.2088.013189.11331.581 4.30464.39821.466 2.511156.02937.14 120X60X3.212060±0.9 3.210.98.5120033.3 4.2967.922.7 2.516542.3

120X60X412060±0.9413.410.524140.1 4.2581.327.1 2.4720051.8120X60X412060±0.9 4.013.34710.478240.72440.120 4.24581.23527.078 2.466200.40747.05 120X60X512060±0.9516.112.727946.5 4.1594.131.3 2.4124162.4120X60X512060±0.9 5.016.35612.839286.94147.823 4.18895.96831.989 2.422240.86955.85

120X60X612060±0.9 6.019.23215.097327.95054.658 4.129108.71636.238 2.377277.36163.60 120X60X6.312060±0.9 6.319.715.532754.4 4.0710936.4 2.3528775.2

120X80X312080±0.9 3.011.4088.955230.18938.364 4.491123.43030.857 3.289255.12850.80 120X80X3.212080±0.9 3.212.19.5224440.6 4.4813032.6 3.2827157.3

120X80X412080±0.941511.729549.1 4.4415739.3 3.2433070.3120X80X412080±0.9 4.011.94711.734294.56949.094 4.439157.28139.320 3.243330.43864.93 120X80X512080±0.9518.114.234557.6 4.3618446.1 3.1840285.4120X80X512080±0.9 5.018.35614.409353.10858.850 4.385187.74746.936 3.198400.73577.77

120X80X612080±0.9 6.021.63216.981405.99867.666 4.332214.97753.744 3.152165.94083.40 120X80X6.312080±0.9 6.322.317.540968.1 4.2821754.3 3.12485104

140X80X3.214080±1.0 3.213.410.535450.6 5.1414937.3 3.3433667.1

140X80X414080±1.0416.61343061.4 5.0918045.1 3.341382.7140X80X414080±1.0 4.016.54712.990429.58261.368 5.095180.40745.101 3.301410.71376.48 140X80X514080±1.0520.115.850672.4 5.0121253.1 3.24500100140X80X514080±1.0 5.020.35615.979517.02373.860 5.039215.91453.978 3.256498.81591.83

140X80X614080±1.0 6.024.03218.865569.93585.276 4.983247.90561.976 3.211580.919105.83 140X80X6.314080±1.0 6.324.819.460386.1 4.9325162.9 3.19605122

150X100X3.2150100±1.2 3.215.31248865.1 5.6426252.5 4.1453890.8

150X100X4150100±1.241914.959579.3 5.631963.7 4.1661112150X100X4150100±1.2 4.018.94714.874594.58579.278 5.601318.55163.710 4.110660.613104.94 150X100X5150100±1.2523.118.270794.3 5.5237975.7 4.04810137150X100X5150100±1.2 5.023.35618.334719.16495.888 5.549383.98879.797 4.054806.733126.81

150X100X6150100±1.2 6.027.63221.691834.615111.282 5.495444.13588.827 4.009915.022147.07 150X100X6.3150100±1.2 6.328.622.4848113 5.4545390.5 3.98988168

2 of 4

COLD FORMED RECTANGLE SECTION COMPARISON BETWEEN DIN DIN 59411-ISO 4019 AND GB/T 6728 DIN 59411-ISO 4019GB/T 6728-2002

designation dimension of section X-X Y-Y dimension of section X-X Y-Y

TORQUE

COEFFICIENT

DIN 59411

-ISO 4019 aXbXs a b

permissible

deviation

s

sect.

area

/mm2

mass

kg/m

I x

cm4

W x

cm3

i x

cm

I Y

cm4

W Y

cm3

i Y

cm

J t

cm4

W t

cm4

GB/T 6728

-2002

LXLXs

a b

permissible

deviation

s

section

al

area

mm2

mass

kg/m

I x

cm4

W x

cm3

i x

cm

I y

cm4

W y

cm3

i y

cm

I t

cm4

W t

cm3

150X100X8150100±1.2835.227.71008134 5.35536107 3.91198206150X100X8150100±1.28.035.79128.0961039.101138.546 5.388519.308109.861 3.9171147.710181.85

160X60X316060±1.2 3.012.6089.898389.86048.732 5.56183.91527.972 2.580228.15050.14

160X60X4.516060±1.2 4.518.46914.498552.08069.010 5.468116.66038.886 2.513324.96070.09 160X80X3.216080±1.2 3.214.711.549161.416842.1 3.3840340376.9

160X80X416080±1.2418.214.359874.720450.9 3.35 3.3549394.6160X80X416080±1.2 4.018.11714.216597.69171.711 5.733203.53250.883 3.348493.12988.03 160X80X516080±1.2522.117.470888.524160.2 3.29 3.29601115160X80X516080±1.2 5.022.35617.519721.65090.206 5.681214.08961.020 3.304599.175105.90

160X80X616080±1.2 6.026.43320.749835.936104.192 5.623286.83276.208 3.259698.881122.27 160X80X6.316080±1.2 6.327.321.484610628671.4 3.24 3.24729141

160X80X816080±1.2833.626.4100112533583.7 3.16 3.16875172160X80X816080±1.28.033.64426.8101036.485129.560 5.505343.59985.899 3.170876.599149.54

180X65X318065±1.2 3.014.10811.075550.35061.150 6.246111.78034.393 2.815306.75061.85

180X65X4.518065±1.2 4.520.71916.264784.13087.125 6.152156.47048.144 2.784438.91086.99 180X100X4180100±1.3421.416.8926103 6.5937474.8 4.188********X100X4180100±1.3 4.021.31716.758926.020102.891 6.586373.87974.755 4.184852.708127.06 180X100X5180100±1.3526.120.51107123 6.5144689.3 4.131046165180X100X5180100±1.3 5.026.35620.6891124.156124.905 6.530451.73890.347 4.1401012.589153.88

180X100X6180100±1.3 6.031.23224.5171309.527145.503 6.475523.676104.753 4.0951222.933178.88 180X100X6.3180100±1.3 6.332.325.41335148 6.43536107 4.071279203

180X100X8180100±1.384031.41598178 6.32637127 3.991556250180X100X8180100±1.38.040.39131.8611643.149182.572 6.362651.132130.226 4.0021554.606222.49 180X100X10180100±1.31047.737.51787199 6.12714143 3.871828295

200X100X4200100±1.34231812001207.2341182.6 4.23984150200X100X4200100±1.3 4.022.94118.0141199.680119.9687.230410.26182.152 4.230984.151141.81 200X100X5200100±1.3528.122.114381447.1449298.3 4.171208184200X100X5200100±1.3 5.028.35622.2591459.270145.9207.173496.90599.381 4.1861203.878171.94

200X100X6200100±1.3 6.033.63226.1011703.224170.3327.116576.855115.371 4.1411412.986200.10 200X100X6.3200100±1.3 6.334.927.417391747.06591118 4.121478227

200X100X8200100±1.3843.2342091209 6.95705141 4.0418********X100X8200100±1.38.043.79134.3762145.993214.5997.000719.014143.802 4.0521798.551249.60 200X100X10200100±1.31051.740.62355236 6.75795159 3.922122331

200X120X4200120±1.3424.619.313531357.42618103 5.021*********X120X4200120±1.4 4.024.519.31353.0135.07.43618.0103.0 5.021345.0172.0 200X120X5200120±1.3530.123.716281637.34742124 4.961565223200X120X5200120±1.4 5.030.423.81649.0165.07.37750.0125.0 4.971652.0210.0

200X120X6200120±1.4 6.036.028.31929.0193.07.32874.0146.0 4.931947.0245.0 200X120X6.3200120±1.3 6.337.429.319761987.27898150 4.92035276

200X120X8200120±1.3846.436.523862397.171079180 4.822497341200X120X8200120±1.48.046.436.52386.0239.07.171079.0180.0 4.822507.0308.0 200X120X10200120±1.31055.743.72717272 6.981230205 4.72978407

200X150X4200150±1.5 4.026.921.21584.0158.07.671021.0136.0 6.161942.0219.0

200X150X5200150±1.5 5.033.426.21935.0193.07.621245.0166.0 6.112391.0267.0

200X150X6200150±1.5 6.039.631.12268.0227.07.561457.0194.0 6.062826.0312.0

200X150X8200150±1.58.051.240.22892.0283.07.431815.0242.0 5.953664.0396.0 220X140X4220140±1.3427.821.818931728.26948135 5.841986235220X140X4220140±1.5 4.027.721.81892.0172.08.26948.0135.0 5.841987.0224.0 220X140X5220140±1.3534.126.822872088.191145164 5.792453289220X140X5220140±1.5 5.034.427.02313.0210.08.211155.0165.0 5.802447.0274.0

220X140X6220140±1.5 6.040.832.12714.0247.08.151352.0193.0 5.752891.0321.0 220X140X6.3220140±1.3 6.342.433.327892548.111392199 5.733027358±1.5

220X140X8220140±1.3852.841.533893088.011685241 5.653734444220X140X8220140±1.58.052.841.53389.0308.08.011685.0241.0 5.653746.0407.0 220X140X10220140±1.31063.75039103558.731945278 5.534497535

250X150X4250150±1.6 4.030.924.32697.0216.09.341234.0165.0 6.322665.0275.0 250X150X5250150±1.5538.129.932702629.261496199 6.263293354250X150X5250150±1.6 5.038.430.13304.0264.09.281508.0201.0 6.273285.0337.0

250X150X6250150±1.6 6.045.635.83886.0311.09.231768.0236.0 6.233886.0396.0 250X150X6.3250150±1.5 6.347.437.340013209.181825243 6.24071440

250X150X8250150±1.5859.246.548863919.082219296 6.125038546250X150X8250150±1.68.059.246.54886.0391.09.082219.0296.0 6.125050.0504.0 250X150X10250150±1.51071.756.356874558.91258434566098661

250X150X12.5250150±1.512.58768.366335318.733002400 5.877269795

260X180X5260180±1.6542.133.140853149.852*******.444707445260X180X5260180±1.8 5.042.433.24121.0317.09.862350.0261.07.454695.0426.0

260X180X6260180±1.8 6.050.439.64856.0374.09.812763.0307.07.405566.0501.0 260X180X6.3260180±1.6 6.352.541.250133869.7728563177.3858.7554

260X180X8260180±1.6865.651.561454739.6834933887.37253690260X180X8260180±1.88.065.651.56145.0473.09.683493.0388.07.297267.0642.0 260X180X10260180±1.61079.762.672145559.5141024567.178837839260X180X10260180±1.81080.663.27363.0566.09.564174.0646.07.208850.0772.0 260X180X12.5260180±1.612.59776.284826539.3548125357.0410 *******

300X200X5300200±1.8548.137.8619341311.333933348.336853574300X200X5300200±2.0 5.048.438.06241.0416.011.403361.0336.08.346836.0552.0

300X200X6300200±2.0 6.057.645.27370.0491.011.303962.0396.08.298115.0651.0 300X200X6.3300200±1.8 6.360.147.1762450811.341044108.278515715

300X200X8300200±1.8875.259.1938962611.250425048.1910610894300X200X8300200±2.08.075.259.19389.0626.011.205042.0504.08.1910627.0838.0 300X200X10300200±1.81091.77211 1107411159695978.07129901091300X200X10300200±2.01092.672.711313.0754.011.106058.0606.08.0912987.01012.0 300X200X12.5300200±1.812.51128813 18087910.970607067.94157101327

320X200X6.3320200±1.8 6.362.649.1890555711.943404348.339236764

320X200X8320200±1.8878.461.61098068611.853375348.2411630955

320X200X10320200±1.81095.775.11302081411.763306338.131********

320X200X12.5320200±1.812.511791.91548096711.575007508172401420

320X200X6.3360200±2.0 6.367.653.11185065813.248134818.4410980862

320X200X8360200±2.0884.866.61464081313.159275938.35136901078

3 of 4

4 of 4

钢筋代换计算方法

钢筋代换计算方法 钢筋代换验算公式 一、钢筋代换抗弯承载力（强度）验算： 单筋矩形截面受弯构件正截面受弯承载力计算基本公式为：M≤Mu=fyAs(ho-fyAs/2a1fcb) 当砼强度等级超过C50，a1取1.0. 钢筋代换后的截面强度： fy2As2(ho2-fy2As2/2fcb)≥fy1As1(ho1-fy1As1/2fcb) fy2---拟代换钢筋的抗拉强度设计值 fy1---原设计钢筋的抗拉强度设计值 As2---拟代换钢筋的截面面积 As1---原设计钢筋的截面面积 ho2---拟代换钢筋合力作用点至构件截面受压边缘的距离 ho1---原设计钢筋合力作用点至构件截面受压边缘的距离 fc---砼抗压强度设计值 b---构件截面宽度 二、钢筋代换抗剪承载力（强度）验算： 钢筋砼受弯构件，当配有箍筋和弯起钢筋时，其： 斜截面受剪承载力的计算公式为： v≤0.7ftbho+1.25fyvAsvho/s+0.8fyAstysinαs,

αs---斜截面上弯起钢筋与构件纵向轴向的夹角，一般取αs=45°，当梁截面较高时取αs=60° 即钢筋砼受弯斜截面所承受的剪力主要由三部分组成：1.砼承担的剪力；2、箍筋承担的剪力；3、弯起钢筋承担的剪力。 其中： 箍筋所承担的剪力为： vsv=1.25fyvAsvho/s, 所以， （1）、箍筋代换应满足： fyv2Asv2/s2≥fyv1Asv1/s1 fyv2---拟代箍筋换的抗拉强度设计值 fyv1---原设计箍筋的抗拉强度设计值 Asv2---拟代换箍筋截面积 Asv1---原设计箍筋截面积 s2---拟代换箍筋沿构件长度方向上的距离 s1---原设计箍筋沿构件长度方向上的距离 弯起钢筋所能承载的剪力为： vsb=0.8fyAsbsinαs，所以， （2）、弯起钢筋代换后应满足： fy2Asb2≥fy1Asb1 fy2---拟代换弯起钢筋的抗拉强度设计值 fy1---原设计弯起钢筋的抗拉强度设计值 Asb2---同一弯起平面内拟代换弯起钢筋的截面积 Asb1---同一弯起平面内原设计弯起钢筋的截面积

钢筋代换计算公式及实例

钢筋等截面及等强度代换计算公式 钢筋代换分两种情况，一是钢筋设计强度相同，采用不同直径的其他钢筋进行代换（等截面代换），二是钢筋设计强度不同，采用不同直径或不同间距的其他钢筋代换（等强度代换）。 钢筋代换过程中，直接使用到的参数为钢筋间距（或根数）和强度。但通过简化，可将以上的强度参数转化为钢筋理论重量和强度系数的乘积。因此列出两者的计算公式和参数值如下： 进行钢筋理论重量=0.00617*d^2（kg/m） 强度系数（设计强度）： Ⅰ级钢2.4 Ⅱ级钢3.4 Ⅲ级钢3.8 情况一：等截面代换——一般指原设计钢筋和代换钢筋的材质（设计强度）相同，但直径不同时的代换 （1）按理论重量代换钢筋间距：其计算公式为： 代换钢筋间距=(代换钢筋理论重量/原设计钢筋理论重量)*原设计间距 ［例］某设计采用了圆10钢筋，间距180mm配筋，因圆10钢筋无货，拟用圆8代换，代换钢筋的间距应是多少？ 代换钢筋间距=0.395/0.617*180=115（mm）

（2）按理论重量代换钢筋根数：适用于采用根数配筋时，计算公式为： 代换钢筋根数≥原设计钢筋理论重量/代换钢筋理论重量*原设计根数［例］某设计配筋为10根圆10，拟用圆8代换，代换后应是多少根？ 代换钢筋根数=0.617/0.395*10=15.62，取定16根。 采用根数代换时，一定要注意构造要求。 情况二：等强度代换——一般指原设计钢筋与代换钢筋的材质（设计强度）不同，但规格（直径）相同或者不同时的代换 （1）按强度代换钢筋间距，其计算公式为： 代换钢筋间距=（代换钢筋理论重量*代换钢筋强度系数）/（原设计钢筋理论重量*原设计钢筋强度系数）*原设计间距（mm） ［例］原设计圆10间距180mm（Ⅰ级钢），现采用圆8代换（Ⅱ级钢），代换钢筋的间距应是多少？ 代换钢筋间距=（0.395*3.4）/（0.617*2.4）*180=163（mm） （2）按强度代换钢筋根数：适用于设计采用根数配筋时，计算公式如下：代换钢筋根数≥(原设计钢筋理论重量*原设计钢筋强度系数)/(代换钢筋理论重量/代换钢筋强度系数)*原设计根数 ［例］原设计采用4根圆25（Ⅰ级钢），若用圆22（Ⅱ级钢）代换钢筋，需要几根？ 代换钢筋根数=（3.85*2.4）/（2.98*3.4）*4=3.65，取定4根。

钢筋等量代换

钢筋等截面及等强度代换 钢筋理论重量： 理论重量=0.00617*d^2（kg/m） 强度系数（设计强度）： Ⅰ级钢 2.4 Ⅱ级钢 3.4 Ⅲ级钢 3.8 （1）等截面代换：一般指原设计钢筋和代换钢筋的材质（设计强度）相同，但直径不同时的代换，其计算公式为： 代换钢筋间距=(代换钢筋理论重量/原设计钢筋理论重量)*原设计间距 ［例］某设计采用了圆10钢筋，间距180mm配筋，因圆10钢筋无货，拟用圆8代换，代换钢筋的间距应是多少？ 代换钢筋间距=0.395/0.617*180=115（mm）......... 当施工中遇有钢筋的品种或规格与设计要求不符是，可按钢筋等强度代换、等面积代换原则代换： 1、等强度代换:当构件受强度控制时，钢筋可按强度相等原则进行代换；即不同钢号的钢筋按强度相等的原则代换。即代换后的钢筋强度应大于或等于代换前的钢筋强度； 2、等面积代换：当构件按最小配筋率配筋时，钢筋可按面积相等的原则进行代换。即同钢号的钢筋按钢筋面积相等的原则代换； 3、当构件受裂缝宽度或挠度控制时，代换后进行雷锋宽度或挠度验算； 4、代换后的钢筋应满足构造要求和设计中提出的特殊要求； 钢筋代换时，必须要充分了解设计意图和代换材料性能，并严格遵守现行混凝土结构设计规范的各项规定；凡重要结构中的钢筋代换，要征得设计单位同意。 （1）、对某些重要的构件，如吊车梁、薄腹梁、桁架弦等，不宜用一级光圆钢筋代替二级带肋钢筋； （2）、钢筋替换后，应满足配筋构造规定，如钢筋的最小直径、间距、根数、锚固长度等； （3）、同一截面内，可同时配有不同种类和直径的代换钢筋，但每根钢筋的拉力不应过大，以免构件受力不匀； （4）、梁的纵向受力钢筋与弯起钢筋应分别代换，以保证正截面与斜截面的强度； （5）、偏心受压构件分别代换； （6）、当构件受裂缝宽度控制时，如以小直径钢筋代换大直径钢筋，强度等级低的钢筋代换强度等级高的钢筋，则可不作裂缝宽度验算； 【质量验收要求】

钢筋等面积代换

钢筋等截面及等强度代换 钢筋代换的十大原则 ①、钢筋代换应遵照等强代换这个基本原则； ②、钢筋代换应经设计同意原则； ③、钢筋代换后的钢筋不混合原则；（即代换后不能形成不同级别的钢筋并肩工作现象） ④、钢筋代换后钢筋还应保持原有的平衡原则；（如梁下部原为2根16的钢筋，你不能用 1根18＋1根14） ⑤、钢筋代换后保证规范规定的最小、最大间距的原则；（如板米不少于三根，受力筋最大间距在不大于200，最小间距不小于50；梁箍筋最大不大于300，小于不小于50；梁主筋间 距不小于25，等等） ⑥、钢筋代换后保证规范规定的最小钢筋直径要求的原则； ⑦、钢筋代时时应考虑特殊构件的特殊要求；（如吊环只能用Ⅰ级钢筋，吊车梁的钢筋不允 许代换） ⑧、钢筋代换应按受力面代换原则；（如非正压柱，必须按单侧面钢筋进行代换） ⑨、构造钢筋、措施钢筋代换不能减少根数；（如挑檐角筋、温度控制筋、梁内侧面构造筋） ⑩、钢筋代换必须符合规范规定的最大、最小配筋率的要求原则。 中小 钢筋等截面及等强度代换 钢筋理论重量： 理论重量=0.00617*d^2（kg/m） 强度系数（设计强度）： Ⅰ级钢 2.4 Ⅱ级钢 3.4 Ⅲ级钢 3.8 （1）等截面代换：一般指原设计钢筋和代换钢筋的材质（设计强度）相同，但直径不同时的代换，其计算公式为： 代换钢筋间距=(代换钢筋理论重量/原设计钢筋理论重量)*原设计间距 ［例］某设计采用了圆10钢筋，间距180mm配筋，因圆10钢筋无货，拟用圆8代换，代换钢筋的间距应是多少？ 代换钢筋间距=0.395/0.617*180=115（mm）......... 当施工中遇有钢筋的品种或规格与设计要求不符是，可按钢筋等强度代换、等面积代换原则代换：

钢筋代换计算方法

钢筋理论重量： 理论重量=0.00617*d^2（kg/m） 强度系数（设计强度）： Ⅰ级钢 2.4 Ⅱ级钢 3.4 Ⅲ级钢 3.8 （1）等截面代换：一般指原设计钢筋和代换钢筋的材质（设计强度）相同，但直径不同的代换，其计算公式为： 代换钢筋间距=(代换钢筋理论重量/原设计钢筋理论重量)*原设计间距 ［例］某设计采用了圆10钢筋，间距180mm配筋，因圆10钢筋无货，拟用圆8代换，代换钢筋的间距应是多少？ 代换钢筋间距=0.395/0.617*180=115（mm） （2）按理论重量代换钢筋根数：适用于采用根数配筋时，计算公式为： 代换钢筋根数≥原设计钢筋理论重量/代换钢筋理论重量*原设计根 数 ［例］某设计配筋为10根圆10，拟用圆8代换，代换后应是多少根？ 代换钢筋根数=0.617/0.395*10=15.62，取定16根。 采用根数代换时，一定要注意构造要求。 （3）等强度代换：一般指原设计钢筋与代换钢筋的规格（直径）相同或者不同，但材质（设计强度）不同时的代换，其计算公式为：代换钢筋间距=（代换钢筋理论重量*代换钢筋强度系数）/（原设计钢筋理论重量*原设计钢筋强度系数）*原设计间距（mm） ［例］原设计圆10间距180mm（Ⅰ级钢），现采用圆8代换（Ⅱ级钢），代换钢筋的间距应是多少？ 代换钢筋间距=（0.395*3.4）/（0.617*2.4）*180=163（mm） （4）按强度代换钢筋根数：适用于设计采用根数配筋时，计算公式如下：

代换钢筋根数≥(原设计钢筋理论重量*原设计钢筋强度系数)/(代换 钢筋理论重量/代换钢筋强度系数)*原设计根数 ［例］原设计采用4根圆25（Ⅰ级钢），若用圆22（Ⅱ级钢）代换 钢筋，需要几根？ 代换钢筋根数=（3.85*2.4）/（2.98*3.4）*4=3.65，取定4根

钢筋代换一般规则及方法

钢筋代换 一般规则及方法 李承德 二○○九年十月十九日

目录 一、代换原则： (3) 二、代换注意事项 (3) 三、常用代换方法： (4) 1、等强法 (4) 2、等截面法 (4) 3、等质量法 (5) 4、半径简易法 (5) 5、半径＋系数简易法 (5) 三、构件截面的有效高度影响 (5) 四、钢筋代换实例 (6) 五、钢筋代换的验算： (8)

一、代换原则： 两个基本原则： ①、钢筋代换应经设计同意原则； ②、钢筋代换应遵照等强代换原则； 十个必须遵照的原则： ①、当构件配筋受裂缝宽度或挠度控制时，代换后应进行裂缝宽度或挠度验算原则。 ②、有抗震要求的梁、柱和框架，不宜以强度等级较高的钢筋代换原设计中的钢筋原则； ③、钢筋代换后的钢筋不混合原则；（即代换后不能形成不同级别的钢筋并肩工作现象） ④、钢筋代换后钢筋还应保持原有的平衡原则；（如梁下部原为2根16的钢筋，你不能用1根18＋1根14） ⑤、钢筋代换后保证规范规定的最小、最大间距的原则；（如板米不少于三根，受力筋最大间距在不大于200，最小间距不小于50；梁箍筋最大不大于300，小于不小于50；梁主筋间距不小于25，等等） ⑥、钢筋代换后保证规范规定的最小钢筋直径要求的原则； ⑦、钢筋代时时应考虑特殊构件的特殊要求；（如吊环只能用Ⅰ级钢筋，吊车梁的钢筋不允许代换） ⑧、钢筋代换应按受力面代换原则；（如非正压柱，必须按单侧面钢筋进行代换） ⑨、构造钢筋、措施钢筋代换不能减少根数；（如挑檐角筋、温度控制筋、梁内侧面构造筋）⑩、钢筋代换必须符合规范规定的最大、最小配筋率的要求原则。（代换后的钢筋用量不宜大于原设计用量的5%，也不低于2%）。 ○11当构件受裂缝宽度或挠度控制时，代换后应进行裂缝宽度或挠度验算。二、代换注意事项 钢筋代换时，必须充分了解设计意图和代换材料性能，并严格遵守现行混凝土结构设计规范的各项规定；凡重要结构中的钢筋代换，应征得设计单位同意。 1．对某些重要构件，如吊车梁、薄腹梁、彬架下弦等，不宜用HPB235级光圆钢筋代替HRB335和HRB400级带肋钢筋。 2．钢筋代换后，应满足配筋构造规定，如钢筋的最小直径、间距、根数、锚固长度等。 3．同一截面内，可同时配有不同种类和直径的代换钢筋，但每根钢筋的拉力差不应过大（如同品种钢筋的直径差值一般不大于5mm），以免构件受力不匀。

钢筋代换一般规则及方法

钢筋代换一般规则及法 二○○九年十月十九日

目录 一、代换原则： (3) 二、代换注意事项 (3) 三、常用代换法： (4) 1、等强法 (4) 2、等截面法 (4) 3、等质量法 (5) 4、半径简易法 (5) 5、半径＋系数简易法 (5) 三、构件截面的有效高度影响 (5) 四、钢筋代换实例 (6) 五、钢筋代换的验算： (8)

一、代换原则： 两个基本原则： ①、钢筋代换应经设计同意原则； ②、钢筋代换应遵照等强代换原则； 十个必须遵照的原则： ①、当构件配筋受裂缝宽度或挠度控制时，代换后应进行裂缝宽度或挠度验算原则。 ②、有抗震要求的梁、柱和框架，不宜以强度等级较高的钢筋代换原设计中的钢筋原则； ③、钢筋代换后的钢筋不混合原则；（即代换后不能形成不同级别的钢筋并肩工作现象） ④、钢筋代换后钢筋还应保持原有的平衡原则；（如梁下部原为2根16的钢筋，你不能用1根18＋1根14） ⑤、钢筋代换后保证规规定的最小、最大间距的原则；（如板米不少于三根，受力筋最大间距在不大于200，最小间距不小于50；梁箍筋最大不大于300，小于不小于50；梁主筋间距不小于25，等等） ⑥、钢筋代换后保证规规定的最小钢筋直径要求的原则； ⑦、钢筋代时时应考虑特殊构件的特殊要求；（如吊环只能用Ⅰ级钢筋，吊车梁的钢筋不允代换） ⑧、钢筋代换应按受力面代换原则；（如非正压柱，必须按单侧面钢筋进行代换） ⑨、构造钢筋、措施钢筋代换不能减少根数；（如挑檐角筋、温度控制筋、梁侧面构造筋）⑩、钢筋代换必须符合规规定的最大、最小配筋率的要求原则。（代换后的钢筋用量不宜大于原设计用量的5%，也不低于2%）。 ○11当构件受裂缝宽度或挠度控制时，代换后应进行裂缝宽度或挠度验算。二、代换注意事项 钢筋代换时，必须充分了解设计意图和代换材料性能，并格遵守现行混凝土结构设计规的各项规定；凡重要结构中的钢筋代换，应征得设计单位同意。 1．对某些重要构件，如吊车梁、薄腹梁、彬架下弦等，不宜用HPB235级光圆钢筋代替HRB335和HRB400级带肋钢筋。 2．钢筋代换后，应满足配筋构造规定，如钢筋的最小直径、间距、根数、

钢筋代换公式

钢筋代换公式 钢筋理论重量=0.00617x钢筋直径x钢筋直径 钢筋强度系数（设计强度）=Ⅰ级钢 2.4 Ⅱ级钢 3.4 Ⅲ级钢3.8 1、等截面代换：一般指原设计钢筋和代换钢筋的材质（设计强度） 相同，但直径不同的代换。 代换钢筋间距=（代换钢筋理论重量/原设计钢筋理论重量）x原设计间距 例如：某设计采用了圆10钢筋，间距180mm的配筋，因圆10钢筋无货，拟用圆8钢筋代换，代换间距是多少？ 0.359/0.617*180=115mm 2、按理论重量代换根数：适用于采用根数配筋时，采用根数代换时， 一定要注意构造要求。 代换钢筋根数=（原设计钢筋理论重量/代换钢筋理论重量）x原设计根数 例如：某设计配筋10根圆10的钢筋，因圆10钢筋无货，拟用圆8钢筋代换，代换后是应是多少根？ 0.617/0.359*10=15.62 3、等强度代换：一般指原设计钢筋与代换钢筋的规格（直径）相同 或不同，但材质（设计强度）不同时的代换。 代换钢筋间距=（代换钢筋理论重量*代换钢筋强度系数）/（原设计钢筋理论重量*原设计钢筋强度系数）x原设计间距 例如：某设计圆10钢筋间距180（Ⅰ级钢），拟用圆8（Ⅱ级钢）

代换，代换钢筋间距是多少？ （0.359*3.4）/（0.617*2.4）*180=163mm 4、按强度代换根数：适用于设计采用根数配筋时 代换钢筋根数=（原设计钢筋理论重量*原设计钢筋强度系数）/（代换钢筋理论重量*代换钢筋强度系数）x原设计根数 例如：原设计采用4根25（Ⅰ级钢），若用圆22（Ⅱ级钢）代换钢筋，需要几根？ （3.85*3.4）/（2.98*3.4）*4=3.65

钢筋代换原则

9-3-2-1 代换原则 当施工中遇有钢筋的品种或规格与设计要求不符时，可参照以下原则进行钢筋代换： 1．等强度代换：当构件受强度控制时，钢筋可按强度相等原则进行代换。 2.等面积代换：当构件按最小配筋率配筋时，钢筋可按面积相等原则进行代换。 3．当构件受裂缝宽度或挠度控制时，代换后应进行裂缝宽度或挠度验算。 9-3-2-2 等强代换方法 1．计算法 2 221 2112y y f d f d n n ≥ （9-11） 式中 n 2——代换钢筋根数； n 1——原设计钢筋根数； d 2——代换钢筋直径； d 1——原设计钢筋直径； f y2——代换钢筋抗拉强度设计值（表9-28）； f y1——原设计钢筋抗拉强度设计值。 上式有两种特例： （1）设计强度相同、直径不同的钢筋代换： 22 2 112d d n n ≥ （9-12） （2）直径相同、强度设计值不同的钢筋代换： 2 11 2y y f f n n ≥ （9-13） 钢筋强度设计值（N/mm 2） 表9-28

HRB335 Φ 300 300 HRB400 360 360 RRB400 360 360 2 冷轧带肋钢筋 LL550 360 360 LL650 430 380 LL800 530 380 9-3-2-5 钢筋代换实例 [例1] 今有一块6m 宽的现浇混凝土楼板，原设计的底部纵向受力钢筋采用HPB235级φ12钢筋@120mm ，共计50根。现拟改用HRB335级Φ12钢筋，求所需Φ12钢筋根数及其间距。 ［解］本题属于直径相同、强度等级不同的钢筋代换，采用公式（9-13）计算： n 2=50×210/300=35根，间距=120×50/35=取170mm [例2] 今有一根400mm 宽的现浇混凝土梁，原设计的底部纵向受力钢筋采用HRB335级Φ22钢筋，共计9根，分二排布置，底排为7根，上排为2根。现拟改用HRB400级25 钢筋，求所需 25钢筋根数及其布置。 [解] 本题属于直径不同、强度等级不同的钢筋代换，采用公式（9-11）计算： 300 25300 229222???=n ＝根，取6根。 一排布置，增大了代换钢筋的合力点至构件截面受压边缘的距离h 0，有利于提高构件的承载力。 [例3] 已知梁的截面面积尺寸如图9-57a 所示，采用C20混凝土制作，原设计的纵向受力钢筋采用HRB400级 20钢筋，共计6根，单排布置，中间4根分别在二处弯起。现拟 改用HRB335级Φ22钢筋，求所需钢筋根数及其布置。

钢筋等截面代换计算方法

代换后的钢筋截面积≥代换前的钢筋截面积。 n2.π.R2.R2≥n1.π.R1R1 n1——代换前钢筋的根数 R1——代换前钢筋的半径 n2——代换后钢筋的根数 R2——代换后钢筋的半径 只能是同级别的钢筋才能等面积代换，不同级别的钢筋还要满足等强度代换。 1、一般的框架结构中的混凝土用量可以按“建筑面积*0.22”得出，即一个标准层的折算厚度在22cm左右； 2、框架结构的含钢量暂按每m2含钢量60kg计（暂时不考虑影响各建筑物含钢量的因素）：。 3、综合上面的数据：每立方混凝土的含钢量=1/0.22*60=273kg。 12墙一个平方需要64块标准砖 18墙一个平方需要96块标准砖 24墙一个平方需要128块标准砖 37墙一个平方需为192块标准砖 49墙一个平方需为256块标准砖 计算公式： 单位立方米240墙砖用量1/(0.24*0.12*0.6) 单位立方米370墙砖用量1/(0.37*0.12*0.6) 空心24墙一个平方需要80多块标准砖 一个土建工程师应掌握的数据 一、普通住宅建筑混凝土用量和用钢量： 1、多层砌体住宅： 钢筋30KG/m2 砼0.3—0.33m3/m2 2、多层框架 钢筋38—42KG/m2 砼0.33—0.35m3/m2 3、小高层11—12层 钢筋50—52KG/m2 砼0.35m3/m2 4、高层17—18层

钢筋54—60KG/m2 砼0.36m3/m2 5、高层30层H=94米 钢筋65—75KG/m2 砼0.42—0.47m3/m2 6、高层酒店式公寓28层H=90米 钢筋65—70KG/m2 砼0.38—0.42m3/m2 7、别墅混凝土用量和用钢量介于多层砌体住宅和高层11—12层之间 以上数据按抗震7度区规则结构设计 二、普通多层住宅楼施工预算经济指标 1、室外门窗（不包括单元门、防盗门）面积占建筑面积0.20—0.24 2、模版面积占建筑面积2.2左右 3、室外抹灰面积占建筑面积0.4左右 4、室内抹灰面积占建筑面积3.8 三、施工功效 1、一个抹灰工一天抹灰在35平米 2、一个砖工一天砌红砖1000—1800块 3、一个砖工一天砌空心砖800—1000块 4、瓷砖15平米 5、刮大白第一遍300平米/天，第二遍180平米/天，第三遍压光90平米/天 四、基础数据 1、混凝土重量2500KG/m3 2、钢筋每延米重量0.00617*d*d 3、干砂子重量1500KG/m3，湿砂重量1700KG/m3 4、石子重量2200KG/m3 5、一立方米红砖525块左右（分墙厚） 6、一立方米空心砖175块左右 7、筛一方干净砂需1.3方普通砂 一点不同观点： 1、一般多层砌体住宅：钢筋25-30KG/m2，其中经济适用房为16--18KG/m2. 2、一般多层砌体住宅，室外抹灰面积占建筑面积0.5--0.7。 3、一般多层砌体住宅，模版面积占建筑面积1.3--2.2，根据现浇板多少、柱密度变化很大。 4、一个砖工一天砌240砖墙1000—1800块，370或500墙2000--3000块。 5、钢筋混凝土重量2200KG/m3 ，素混

钢筋代换原则

楼主，我建议你下载建筑施工手册第四版(WORD),在本论坛里面有下载的。有些问题，其实在基本的工具书里面就有权威的解释。我在这里授人以渔了，呵呵。 9-3-2 钢筋代换 当钢筋的品种、级别或规格需作变更时，应办理设计变更文件。 9-3-2-1 代换原则 当施工中遇有钢筋的品种或规格与设计要求不符时，可参照以下原则进行钢筋代换：1．等强度代换：当构件受强度控制时，钢筋可按强度相等原则进行代换。 2.等面积代换：当构件按最小配筋率配筋时，钢筋可按面积相等原则进行代换。 3．当构件受裂缝宽度或挠度控制时，代换后应进行裂缝宽度或挠度验算。 9-3-2-2 等强代换方法 1．计算法 （9-11） 式中 n2——代换钢筋根数； n1——原设计钢筋根数； d2——代换钢筋直径； d1——原设计钢筋直径； fy2——代换钢筋抗拉强度设计值（表9-28）； fy1——原设计钢筋抗拉强度设计值。 上式有两种特例： （1）设计强度相同、直径不同的钢筋代换： （9-12） （2）直径相同、强度设计值不同的钢筋代换： （9-13） 钢筋强度设计值（N/mm2）表9-28 项次钢筋种类符号抗拉强度设计值fy 抗压强度设计值fy' 1 热轧钢筋 HPB235 φ 210 210 HRB335 Φ 300 300 HRB400 360 360 RRB400 360 360 2 冷轧带肋钢筋 LL550 360 360 LL650 430 380 LL800 530 380 9-3-2-3 构件截面的有效高度影响 钢筋代换后，有时由于受力钢筋直径加大或根数增多而需要增加排数，则构件截面的有效高度h0减小，截面强度降低。通常对这种影响可凭经验适当增加钢筋面积，然后再作截面强度复核。 对矩形截面的受弯构件，可根据弯矩相等，按下式复核截面强度。 （9-14） 式中 N1——原设计的钢筋拉力，等于As1fy1（As1——原设计钢筋的截面面积，fy1——原设计钢筋的抗拉强度设计值）； N2——代换钢筋拉力，同上； h01——原设计钢筋的合力点至构件截面受压边缘的距离； h02——代换钢筋的合力点至构件截面受压边缘的距离； fc——混凝土的抗压强度设计值，对C20混凝土为9.6N/mm2，对C25混凝土为

钢筋代换一般规则及方法

各种钢筋代换 一般规则及方法 钢筋的屈服强度、抗拉值等 编制人：王根明 2014年9月8日

目录 一、代换原则： (3) 二、代换注意事项 (4) 三、常用代换方法： (5) 1、等强法 (5) 2、等截面法 (6) 3、等质量法 (6) 4、半径简易法 (6) 5、半径＋系数简易法 (7) 三、构件截面的有效高度影响 (7) 四、钢筋代换实例 (8) 五、钢筋代换的其它验算： (10)

代换原则： 两个基本原则： ①、钢筋代换应经设计同意原则； ②、钢筋代换应遵照等强代换原则； 十个必须遵照的原则： ①、当构件配筋受裂缝宽度或挠度控制时，代换后应进行裂缝宽度或挠度验算原则。 ②、有抗震要求的梁、柱和框架，不宜以强度等级较高的钢筋代换原设计中的钢筋原则； ③、钢筋代换后的钢筋不混合原则；（即代换后不能形成不同级别的钢筋并肩工作现象） ④、钢筋代换后钢筋还应保持原有的平衡原则；（如梁下部原为2根16的钢筋，你不能用1根18＋1根14） ⑤、钢筋代换后保证规范规定的最小、最大间距的原则；（如板筋不少于三根，受力筋最大间距在不大于200，最小间距不小于50；梁箍筋最大不大于300，小于不小于50；梁主筋间距不小于25，等等） ⑥、钢筋代换后保证规范规定的最小钢筋直径要求的原则； ⑦、钢筋代时时应考虑特殊构件的特殊要求；（如吊环只能用Ⅰ级钢筋，吊车梁的钢筋不允许代换） ⑧、钢筋代换应按受力面代换原则；（如非正压柱，必须按单侧面钢筋进行代换）

⑨、构造钢筋、措施钢筋代换不能减少根数；（如挑檐角筋、温度控制筋、梁内侧面构造筋） ⑩、钢筋代换必须符合规范规定的最大、最小配筋率的要求原则。（代换后的钢筋用量不宜大于原设计用量的5%，也不低于2%）。 ○11当构件受裂缝宽度或挠度控制时，代换后应进行裂缝宽度或挠度验算。 二、代换注意事项 钢筋代换时，必须充分了解设计意图和代换材料性能，并严格遵守现行混凝土结构设计规范的各项规定；凡重要结构中的钢筋代换，应征得设计单位同意。 1．对某些重要构件，如吊车梁、薄腹梁、彬架下弦等，不宜用HPB235级光圆钢筋代替HRB335和HRB400级带肋钢筋。 2．钢筋代换后，应满足配筋构造规定，如钢筋的最小直径、间距、根数、锚固长度等。 3．同一截面内，可同时配有不同种类和直径的代换钢筋，但每根钢筋的拉力差不应过大（如同品种钢筋的直径差值一般不大于5mm），以免构件受力不匀。 4．梁的纵向受力钢筋与弯起钢筋应分别代换，以保证正截面与斜截面强度。 5．偏心受压构件（如框架柱、有吊车厂房柱、桁架上弦等）或

钢筋代换计算书

附1 钢筋代换计算书 根据相关规范要求，同直径不同级别钢筋等强度代换公式为： N2≥(n1*f y1)／(f y2) N2---代换后钢筋根数 n1---原设计钢筋根数 f y1---原设计钢筋设计强度 f y2---代换后规格钢筋设计强度 一、地梁箍筋 原设计地梁箍筋:C8@100/200（2），拉钩：C8@400；取1M地梁长进行计算： N2≥(n1*f y1)／(f y2) n1---10/5 f y1---360 f y2---210 N2≥10*360/210=17.14 N2≥5*360/210=8.57 故代换后箍筋间距应为:A8@60/120（2），拉钩A8@240； 二、框架柱箍筋

原设计框架柱箍筋C8@200/180/160/150/100；取1M柱长进行计算： N2≥(n1*f y1)／(f y2) n1---5/5.56/6.25/6.67/10 f y1---360 f y2---210 N2≥5*360/210=8.57 N2≥5.56*360/210=9.53 N2≥6.25*360/210=10.71 N2≥6.67*360/210=11.43 N2≥10*360/210=17.14 故代换后箍筋间距应为:A8@120/100/90/90/60; 三、结构梁箍筋 原设计结构梁箍筋为：C8@100/150/200；取1M柱长进行计算：N2≥(n1*f y1)／(f y2) n1---10/6.67/5 f y1---360 f y2---210 N2≥10*360/210=17.14 N2≥6.67*360/210=11.43 N2≥5*360/210=8.57 故代换后箍筋间距应为:A8@60/90/120;

美标H型钢对照表

美国标准H型钢规格(1) 规格 单位 重量截面积高度 翼缘 肋板厚角半经 惯性矩旋转半矩截面模数宽厚JX JY IX IY ZX ZY in kg/m cm2 mm mm mm mm in mm cm4 cm4 cm cm cm3 cm3 w4 4*4 19.35 24.71 105.7 103.1 8.76 7.11 0.25 6.4 470 161 43.7 2.54 89.5 31.1 w5 5* 5 23.81 30.39 127.3 127.0 9.14 6.10 0.30 7.6 891 313 5.41 3.20 140 49.2 28.28 35.87 130.8 127.8 10.92 6.86 1,090 380 5.51 3.25 167 59.5 w6 6*4 13.39 17.29 149.9 100.1 4.32 0.25 5.466 683 91.6 6.27 2.30 91.1 18.2 17.86 22.90 153.2 101.6 7.11 5.84 900 124 6.32 2.33 120 24.6 23.81 30.58 159.5 102.4 10.29 6.60 1,340 184 6.60 2.46 167 36.1 w6 6*6 22.32 28.58 152.1 152.1 6.60 5.81 0.25 6.4 1,210 388 6.50 3.68 159 51.0 29.76 38.87 157.5 152.9 9.27 6.60 1,720 554 6.76 3.81 220 72.3 37.20 47.35 162.1 154.4 11.56 8.13 2,220 712 6.86 3.86 274 91.9 w8 8*4 14.88 19.10 200.4 100.1 5.21 4.32 0.30 7.6 1,280 87.0 8.18 2.14 128 17.4 19.35 24.77 202.9 101.6 6.48 5.84 1,650 114 8.15 2.14 162 22.5 22.32 28.65 206.0 102.0 8.00 6.22 2,000 142 8.36 2.23 193 27.9 w8 8*5 1/4 26.79 33.94 206.8 133.4 8.38 5.84 0.30 7.6 2,580 332 8.71 3.43 249 49.8 31.25 39.74 210.3 133.9 10.16 6.35 3,130 407 8.86 3.20 298 60.8 w8 8*61/2 35.72 45.68 201.4 165.0 10.16 6.22 0.40 10.2 3,450 762 8069 4.09 342 92.3 41.67 53.23 204.7 166.0 11.81 7.24 4,080 903 8.76 4.11 398 109 w8 8*8 46.13 58.90 203.2 203.1 11.05 7.24 0.40 10.2 4,580 1,540 8.81 5.13 451 152 52.09 66.45 206.2 203.7 12.57 7.87 5,290 1,770 8.92 5.16 511 174 59.53 75.48 209.6 205.0 14.22 9.14 6,080 2,040 8.97 5.18 582 200 71.43 90.97 215.9 206.0 17.40 10.16 7,660 2,530 9.17 5.28 710 246 86.31 110.3 222.2 208.8 20.57 12.95 9,490 3,130 9.27 5.33 852 300 99.71 127.1 228.6 210.3 23.75 14.48 11,300 3,690 9.45 53.8 990 351 w10 10*4 17.86 22.84 250.7 100.6 5.33 4.83 0.30 7.6 2,240 90.7 9.91 1.99 179 18.0 18.022.32 28.45 253.7 101.6 6.86 5.84 2,870 120 10.0 2.06 226 23.8 25.323.80 32.19 256.8 101.9 8.38 6.10 3,410 148 10.3 2.15 265 29.2 28.229.28 36.26 260.1 102.1 10.03 6.35 4,010 179 10.5 2.22 308 35.1 w10 10*53/4 32.74 41.87 258.3 146.0 9.14 6.10 0.30 7.6 4,910 475 10.8 3.38 380 65.1 38.69 49.10 262.4 146.6 11.18 6.60 5,990 587 11.0 3.45 457 80.1 44.64 57.03 265.9 147.6 12.95 7.62 7,080 695 11.1 3.48 531 94.2 w10 10*8 49.11 62.64 247.1 202.2 11.05 7.37 0.50 12.7 7,080 1,520 10.6 4.93 574 151 58.04 74.19 252.0 202.8 13.46 8.00 8,700 1,870 10.8 5.03 690 185 66.97 85.81 256.5 203.7 15.75 8.89 10,300 2,220 11.0 5.11 805 218 w10 10*10 72.92 92.9 253.5 254.0 14.22 8.64 0.50 12.7 11,300 3,890 11.0 6.45 895 306 80.36 101.9 256.3 254.8 15.62 9.40 12,600 4,290 11.1 6.50 983 338 89.29 113.5 259.6 256.0 17.27 10.67 14,200 4,830 11.2 6.53 1,090 377 101.2 129.0 264.2 257.3 19.56 11.94 16,400 5,580 11.3 6.58 1,240 433 114.6 145.8 269.2 258.8 22.10 13.46 18,900 6,410 11.4 6.60 1,410 493 131.0 167.1 275.3 260.7 25.15 15.37 22,200 7,450 11.5 6.68 1,610 570

钢筋代换计算公式

来自: https://www.wendangku.net/doc/9e11410658.html,/%D7%F6%B7%BD%B0 9-3-2 钢筋代换 当钢筋的品种、级别或规格需作变更时，应办理设计变更文件。 9-3-2-1 代换原则 当施工中遇有钢筋的品种或规格与设计要求不符时，可参照以下原则进行钢筋代换：1．等强度代换：当构件受强度控制时，钢筋可按强度相等原则进行代换。 2.等面积代换：当构件按最小配筋率配筋时，钢筋可按面积相等原则进行代换。 3．当构件受裂缝宽度或挠度控制时，代换后应进行裂缝宽度或挠度验算。 9-3-2-2 等强代换方法 1．计算法 （9-11） 式中 n2——代换钢筋根数； n1——原设计钢筋根数； d2——代换钢筋直径； d1——原设计钢筋直径； fy2——代换钢筋抗拉强度设计值（表9-28）； fy1——原设计钢筋抗拉强度设计值。 上式有两种特例： （1）设计强度相同、直径不同的钢筋代换： （9-12） （2）直径相同、强度设计值不同的钢筋代换： （9-13） 钢筋强度设计值（N/mm2）表9-28 项次钢筋种类符号抗拉强度设计值fy 抗压强度设计值fy' 1 热轧钢筋 HPB235 φ 210 210 HRB335 Φ 300 300 HRB400 360 360 RRB400 360 360 2 冷轧带肋钢筋 LL550 360 360 LL650 430 380 LL800 530 380 9-3-2-3 构件截面的有效高度影响 钢筋代换后，有时由于受力钢筋直径加大或根数增多而需要增加排数，则构件截面的有效高度h0减小，截面强度降低。通常对这种影响可凭经验适当增加钢筋面积，然后再作截面强度复核。 对矩形截面的受弯构件，可根据弯矩相等，按下式复核截面强度。 （9-14） 式中 N1——原设计的钢筋拉力，等于As1fy1（As1——原设计钢筋的截面面积，fy1——原设计钢筋的抗拉强度设计值）； N2——代换钢筋拉力，同上； h01——原设计钢筋的合力点至构件截面受压边缘的距离； h02——代换钢筋的合力点至构件截面受压边缘的距离； fc——混凝土的抗压强度设计值，对C20混凝土为9.6N/mm2，对C25混凝土为 11.9N/mm2，对C30混凝土为14.3N/mm2；

不同直径的钢筋如何进行代换

不同直径的钢筋如何进行代换 钢筋等截面及等强度代换 钢筋理论重量： 理论重量=0.00617*d^2（kg/m） 强度系数（设计强度）： Ⅰ级钢 2.4 Ⅱ级钢 3.4 Ⅲ级钢 3.8 （1）等截面代换：一般指原设计钢筋和代换钢筋的材质（设计强度）相同，但直径不同的代换，其计算公式为： 代换钢筋间距=(代换钢筋理论重量/原设计钢筋理论重量)*原设计间距 [例] 某设计采用了圆10钢筋，间距180mm配筋，因圆10钢筋无货，拟用圆8代换，代换钢筋的间距应是多少？ 代换钢筋间距=0.395/0.617*180=115（mm） （2）按理论重量代换钢筋根数：适用于采用根数配筋时，计算公式为： 代换钢筋根数≥原设计钢筋理论重量/代换钢筋理论重量*原设计根数 [例]某设计配筋为10根圆10，拟用圆8代换，代换后应是多少根？ 代换钢筋根数=0.617/0.395*10=15.62，取定16根。 采用根数代换时，一定要注意构造要求。 （3）等强度代换：一般指原设计钢筋与代换钢筋的规格（直径）相同或者不同，但材质（设计强度）不同时的代换，其计算公式为： 代换钢筋间距=（代换钢筋理论重量*代换钢筋强度系数）/（原设计钢筋理论重量*原设计钢筋强度系数）*原设计间距（mm） [例]原设计圆10间距180mm（Ⅰ级钢），现采用圆8代换（Ⅱ级钢），代换钢筋的间距应是多少？ 代换钢筋间距=（0.395*3.4）/（0.617*2.4）*180=163（mm） （4）按强度代换钢筋根数：适用于设计采用根数配筋时，计算公式如下： 代换钢筋根数≥(原设计钢筋理论重量*原设计钢筋强度系数)/(代换钢筋理论重量/代换钢筋强度系数)*原设计根数 [例]原设计采用4根圆25（Ⅰ级钢），若用圆22（Ⅱ级钢）代换钢筋，需要几根？ 代换钢筋根数=（3.85*2.4）/（2.98*3.4）*4=3.65，取定4根

钢筋代替换算

基本内容 钢筋等截面及等强度代换钢筋理论重量： 理论重量=0.00617*d^2（kg/m） 强度系数（设计强度）： Ⅰ级钢 2.4 Ⅱ级钢 3.4 Ⅲ级钢 3.8 （1）等截面代换：一般指原设计钢筋和代换钢筋的材质（设计强度）相同，但直径不同的代换，其计算公式为： 代换钢筋间距=(代换钢筋理论重量/原设计钢筋理论重量)*原设计间距 [例] 某设计采用了圆10钢筋，间距180mm配筋，因圆10钢筋无货，拟用圆8代换，代换钢筋的间距应是多少？ 代换钢筋间距=0.395/0.617*180=115（mm） （2）按理论重量代换钢筋根数：适用于采用根数配筋时，计算公式为： 代换钢筋根数≥原设计钢筋理论重量/代换钢筋理论重量*原设计根数 [例]某设计配筋为10根圆10，拟用圆8代换，代换后应是多少根？ 代换钢筋根数=0.617/0.395*10=15.62，取定16根。 采用根数代换时，一定要注意构造要求。 （3）等强度代换：一般指原设计钢筋与代换钢筋的规格（直径）相同或者不同，但材质（设计强度）不同时的代换，其计算公式为： 代换钢筋间距=（代换钢筋理论重量*代换钢筋强度系数）/（原设计钢筋理论重量*原设计钢筋强度系数）*原设计间距（mm） [例]原设计圆10间距180mm（Ⅰ级钢），现采用圆8代换（Ⅱ级钢），代换钢筋的间距应是多少？

代换钢筋间距=（0.395*3.4）/（0.617*2.4）*180=163（mm） （4）按强度代换钢筋根数：适用于设计采用根数配筋时，计算公式如下： 代换钢筋根数≥(原设计钢筋理论重量*原设计钢筋强度系数)/(代换钢筋理论重量/代换钢筋强度系数)*原设计根数 [例]原设计采用4根圆25（Ⅰ级钢），若用圆22（Ⅱ级钢）代换钢筋，需要几根？ 代换钢筋根数=（3.85*2.4）/（2.98*3.4）*4=3.65，取定4根 钢筋代换原则 钢筋代换施工中如供应的钢筋品种和规格与设计图纸不符时，在征得设计单位同意后，可以进行代换。 1：钢筋代换应注意如下事项： 1）必须充分了解设计意图和代换钢筋的性能； 2）某些重要构件，如吊车梁、薄腹梁、桁架下弦等，不宜用I级钢筋代替螺纹钢筋。以免使用时裂缝宽度开展过大。 3）梁中纵向受力钢筋与弯起钢筋应分别代换，以保证正截面与斜截面强度。 4）偏心受压、偏心受拉构件的钢筋代换时，不取整截面配筋量计算，应按受拉或受压钢筋分别代换。 5）.同一截面内用不同直径、不同种类钢筋代换时，各钢筋间拉力差不宜过大，同品种钢筋直径差不大于5mm，以防构件受力不均。 6）钢筋代换后，应满足构造要求(如钢筋间距、最小直径、最少根数、锚固长度、对称性等)及设计中提出的特殊要求(如冲击韧性、抗腐蚀性等)。 7）钢筋代换后，其用量不宜大于原设计用量的5％，亦不低于2％。2：钢筋代换的方法有以下三种：（1）当结构是按强度控制时，可按强度相等的原则进行代换，称为“等强代换”，即：As1、fy1=As2、fy2 式中 As1、fy1──原设计钢筋的计算面积和设计强度； As2、fy2──拟代换钢筋的计算面积和设计强度。（2）当构件按最小配筋率控制时,可按钢筋面积相等的原则代换，称为“等面积代换”，即：As1=As2 （3）当结构构件按裂缝宽度或抗裂性要求控制时，钢筋的代换需进行裂缝及抗裂性验算。钢筋代换后，有时由于受力钢筋直径加大或根数增多而需要增加排数，则构件截面的有效高度h0减小，截面强度降低，此时需复核截面强度。