工字钢截面特性

1、1按照截面积大体相近，并且饶 X 轴的抗弯强度不低于相应工字钢的原则，计算出了标准中H 型钢有关型号与 GB/T706-88热轧工字钢尺寸、外形、重量及允许偏差中的工字钢的有关型号以及他们的性能参数比较表（见表E1）,以供有关人员在使用H型钢替代 工字钢时参考。表El H型钢与工字钢型号及性能参数比较表工字钢型号H型钢型 号1-H型钢与工字钢性能参数比较工字钢型号H型钢型 号H型钢与工字钢性能参数比较横截面积抗弯强度抗剪 强度抗弯 刚度惯性半径横截 抗弯 强度抗剪 强度抗弯刚度惯性半径面积ixiyixiyI10H125X 601.191.361.631.701.200.86I40aH400X

2、2000.981.090.791.091.061.64I12.6H150X 751.001.171.191.391.181.02H450X 1500.971.110.971.251.131.11114H175X 901.081.371.151.711.261.18H446X1990.991.200.881.341.161.56I16H175X 900.890.990.921.081.101.08I40bH400X 2000.891.040.671.041.081.68H198X990.901.160.951.431.261.16H450X 1500.891.060.831.191.151.14

3、H200X 1001.061.331.161.671.251.17H446X1990.901.140.751.271.191.59I18H200X 1000.901.010.951.131.121.11H450X 2001.041.320.851.481.191.622H248X124 1.071.551.092.131.411.39H500X 1501.041.351.011.691.271.12120aH248X124 0.931.210.911.501.281.31I40cH400X 2000.820.990.590.991.111.71H250X1251.071.381.091.721

4、.281.32H450X 1500.821.010.721.141.181.15120bH248X124 0.831.150.721.421.311.35H446X199 0.831.090.651.221.221.63H250X1250.961.300.861.631.311.35H450X 2000.951.260.741.411.221.65122aH250X1250.901.050.921.201.161.21H500X 1500.961.290.891.611.301.15H298X149 0.991.401.021.901.381.41H496X199 0.991.420.811.

5、761.341.61I22bH250X1250.811.000.741.141.181.23I45aH450X 2000.951.050.811.051.051.52H298X149 0.891.330.821.801.411.44H500X 1500.961.070.971.191.021.05H300X 1501.021.500.962.051.411.44H496X199 0.991.180.891.301.151.48125aH298X149 0.861.080.841.291.221.36I45bH450X 2000.871.000.701.001.071.54H300X1500.9

6、81.220.991.471.221.36H500X 1500.881.030.841.141.141.07I25bH298X149 0.781.030.681.221.251.36H496X199 0.911.130.751.241.171.50H300X 1500.891.160.811.391.251.36H500X 2001.031.280.861421.181.523H346X1740.991.540.872.121.461.61I45cH450X 2000.811.030.670.961.091.57128aH346X 1740.961.280.901.571.281.54H500

7、X 1500.821.050.801.091.161.09128bH346X 1740.871.210.741.501.311.55H496X199 0.841.160.731.191.191.53H350X1751.041.460.871.831.321.58H500X 2000.951.310.821.351.201.55I32aH350X1750.951.130.831.241.151.50H596X199 1.011.590.971.961.401.45I32bH350X1750.871.080.701.181.171.51I50aH500X 2000.961.030.861.031.

8、041.41H400X1500.971.300.891.621.291.23H596X199 1.021.251.011.491.211.32H396X 1990.981.390.791.721.331.72I50bH506X201 1.021.070.831.161.071.47I32cH350X 1750.801.030.601.131.201.51H596X199 0.941.200.881.431.231.34H400X 1500.891.240.771.541.331.23H600X 2001.051.250.971.611.241.37H396X 1990.901.330.681.

9、641.361.72I50cH500X 2000.821.020.710.941.081.46136aH400X 1500.931.070.901.191.131.19H506X201 0.941.100.791.121.091.50H396X 1990.941.150.801.271.161.67H596X199 0.871.230.841.371.261.36I36bH400X 1500.851.020.761.131.161.22H600X 2000.971.290.931.541.271.394H396X 1990.861.100.681.211.181.70I56aH596X199

10、0.900.990.871.061.091.27H400K2001.011.290.781.431.191.72H600X 2001.001.040.961.191.101.29H450X 1501.001.310.961.641.281.17I56bH606X201 1.051.140.921.331.131.33H446X 1991.021.410.861.751.311.63I56cH600X 2000.861.020.811.091.131.30136cH396X 1990.791.050.591.151.211.72H606X201 0.971.180.891.271.151.33H

11、400X 2000.931.230.681.371.221.75I63aH582X300 1.131.100.891.100.992.00H450X 1500.921.250.831.561.301.18I63bH582X300 1.041.050.781.051.002.02H446X 1990.941.350.751.671.341.66I63cH582X300 0.971.090.761.011.022.03热轧普通工字钢型号HBdtAIy(mm4) Ix(mm4)普工 10 100684.57.61433328000 2450000普工 12.61267458.418104690004

12、880000普工 14 140805.59.12150643000 7120000普工 16 1608869.92611931000普工 18 180946.510.730741229000普工 20a200100711.435551579000普工 20b200102911.439551690000普工 22a2201107.512.3421022590005普工 22b2201129.512.346502402000普工 25a25011681348512804000普工 25b250118101353512973000普工 28a2801228.513.755373441000普工 28

13、b28012410.513.760973638000普工 32a3201309.515671245900000普工 32b32013211.515735248380000普工 32c32013413.515799251010000普工 36a3601361015.8764455490000普工 36b3601381215.8836458360000普工 36c3601401415.8908461400000普工 40a40014210.516.5860765990000普工 40b40014412.516.5940769280000普工40C40014614.516.5102077275000

14、0普工 45a45015011.5181024085500000普工 45b45015213.5181114089540000普工 45c45015415.5181204093800000普工 50a5001581220119250普工 50b5001601420129250普工50C5001621620139250普工 56a56016612.521135380普工 56b56016814.521146580普工56C56017016.521157780普工 63a6301761322154590普工 63b6301781522167190普工63C630180172217979006其中：

15、H-高度(mm) B-翼缘宽(mm) d- 腹板厚(mm) t-翼缘平均厚(mm)热轧轻型工字钢型号HBdtAIy(mm4) Ix(mm4)轻工 10 100554.57.21200179000 1980000轻工 12 120644.87.31470279000 3500000轻工 14 140734.97.51740419000 5720000轻工 16 1608157.82020586000 8730000轻工 18 180905.18.12340826000轻工 18a1801005.18.325401140000轻工 20 2001005.28.426801150000轻工 20a2

16、001105.28.628901550000轻工 22 2201105.48.730601570000轻工 22a2201205.48.932802060000轻工 24 2401155.69.534801980000轻工 24a2401255.69.837502600000轻工 27 27012569.840202600000轻工 27a270135610.243203370000轻工 30 3001356.510.246503370000轻工 30a3001456.510.749904360000轻工 33 330140711.253804190000轻工 36 3601457.512.3

17、619051600000A-截面面积(mm2)7轻工 40 400155813714066600000轻工 45 4501608.614.2830080700000轻工 50 5001709.515.297800轻工 55 55018010.316.5114000轻工 60 60019011.117.8132000轻工 65 6502001219.21530000轻工 70 7002101320.81760000轻工 70a70021015242020000轻工 70b70021017.528.22340000其中:H-高度(mm)B-翼缘宽(mm)d-腹板厚(mm)t-翼缘平均厚(mm)A-

18、截面面积(mm2)大通高频焊接工字钢型号A(cm2)Iy(cm4) Ix(cm4)100 x50 x2.3x3.25356.6890.71100 x50 x3.2x4.57419.4122.77100 x100 x6x82104133.48 369.05120 x120 x3.2x4.5 1435129.63 396.84120 x120 x4.5x61926172.88 515.53150 x75x3.2x4.5112631.68432.11150 x100 x3.2x4.5 135175.04551.24150 x100 x4.5x61821100.1720.99150 x150 x4.5

19、x6242175.511032.21150 x150 x6x8320498.671331.43200 x100 x3.2x4.5 151158.581045.92200 x100 x4.5x6204678.081378.62200 x100 x6x82704133.66 1786.898200 x150 x3.2x4.5 1961253.181475.97200 x150 x4.5x62646337.641943.34200 x150 x6x83504450.332524.6200 x200 x6x8430410673262.3250 x125x3.2x4.5 1896146.552068.5

20、6250 x125x4.5x62571123.362738.6250 x125x4.5x83052260.593409.75250 x125x6x83404260.843569.91250 x150 x3.2x4.52121253.192407.62250 x150 x4.5x62871337.6831.8521250 x150 x4.5x83453450.183995.6250 x150 x6x83804450.424155.77250 x200 x6x8460410.6709 5327.47300 x150 x3.2x4.5 2281253.236.0441300 x150 x4.5x63

21、096337.724785.96300 x150 x4.5x83678450.225976.11300 x150 x6x84104450.516262.44300 x200 x6x849041067.18 7968.14350 x150 x4.5x83903450.258416.36350 x150 x6x84404450.68882.11350 x175x3.2x4.5 2666402.055757.85350 x175x4.5x63621536.197661.31350 x175x4.5x84303714.849586.21350 x175x6x84804715.1810051.96350

22、 x200 x6x852041067.27 11221.81其中：型号-高度(mm)x 翼缘宽(mm)x 腹板厚(mm)x 翼缘平均厚(mm)9热轧 H 型钢型号dtgA(cm2)Iy(cm4)Ix(cm4)HWIOOxlOO68102190383134HW125x1256.59103031847294HW150 x1507101340551660546HW175x1757.5111351432900984HW200 x20081216642847701600HW250 x250914169218108003650HW300 x30010152012040205006760HW350 x350

23、121920173904030013600HW400 x400132124219506690022400HM200 x150691639762740508HM250 x1757111656246120985HM300 x200812207303114001600HM350 x2509142010150217003650HM400 x30010162413670389007210HM450 x30011182415740561008110HM500 x30011182816440714008120HM600 x300122028192501180009020HN200 x1005.5813275

24、71880134HN250 x125691337874080294HN300 x1506.591647537350508HN350 x17571116636613700985HN400 x200813168412237001740HN450 x200914209741337001870HN500 x2001016201142047800214010HN600 x20011172413520782002280HN700 x30013242823550201000 10800HN800 x30014262826740292000 11700HN900 x3001628283098041100012

25、600HW10 区 10068102190383134HW17 咏 1757.5111351432900984HW20I0 20081216642847701600HW20I0 200121216722850301700HW25I0 250914169218108003650HW25I0 25014141610470115003880HW30I0 30012122010830170005520HW30I0 30010152012040205006760HW30I0 30015152013540216007100HW35I0 350101620146003330011200HW35I0 3501

26、21920173904030013600HW40I0 400151524179204920016300HW40I0 400111824187605640018900HW40I0 400132124219506690022400HW40I0 400182824296209300031000HW40I0 400212124251507110023800HW40I0 40020352436140119000 39400HW#20!0 150691639762740508HW25I0 1757111656246120985HW30I0 200812207303114001600HW35I0 25091

27、42010150217003650HW40I0 3001016241367038900721011HW45I0 30011182415740561008110HW50I0 30011152814640608006770HW50I0 30011182816440714008120HW60I0 30012172817450103000 7670HW60I0 300122028192501180009020HW60I0 30014232822240137000 10600HN175 9058102321122097.6HN#20(X1004.571323591610114HN#20(X1005.58

28、1327571880134HN25X125581332893560255HN25X125691337874080294HN30X1505.581641556460443HN30X1506.591647537350508HN35X1756916531911200792HN35X17571116636613700985HN40X15081316711218800734HN40X200711167216200001450HN40X200813168412237001740HN45X15091420834127100793HN45X200812208495290000 1580HN45X2009142

29、09741337001870HN50X150101620982338500907HN50X2009142010130419001840HN50X20010162011420478002140HN50X20011192013130565002580HN60X2001015241212069300198012HN60CK20011172413520782002280HN60CK20012202415330910002720HN70CK30013202821150172000 9020HN70CK30013242823550201000 10800HP200X 2001212167228503017

30、00HP250X 250111116820587902940HP250X 25014141610470115003880HP300X 30012122010830170005520HP300X 30010152012040205006760HP30CX30015152013540216007110HP35CX35013132013530282009380HP35X350161620166603530011800HP35X350121920173904030013600HP35X350191920198404280014400HP40X400151524179204920016300HP40X4

31、00181824215205990020000HP40X400132124219506690022400HP40X400182824296209300031000HP40X400212124251507110023800HP40X40020352436140119000 39400其中：型号-高度(mm)x 翼缘宽(mm)d-腹板厚(mm) t-翼缘平均厚(mm) g-重量(kg/m)表 1-6 热轧普通工字钢规格及截面特性(GB 706-88)13I截面惯性矩；W截面抵抗矩.vv截面抵抗矩；S半截面面积矩；t截面回转半径截面回转十径。截面特性尺寸截面mm面积每米X-X轴y-y 轴型号A重量k

32、g/mIzWZSzizIyWyiyhbtwtr门2cm4cm3cm3cmcm4cm3cmcmI10100684.57.66.53.314.331.2524549.028.24.1432.89.61.51I12.6126745.08.47.03.518.1014.2148877.444.25.1946.912.71.61I14140805.59.17.53.821.5016.88712101.758.45.7564.316.11.73I16160886.09.98.04.026.1120.501127140.980.86.5793.121.11.89I18180946.510.78.54.330

33、.7424.131699185.4106.57.37122.926.22.00I20a2001007.011.49.04.535.5527.912369236.9136.18.16157.931.62.1114I20b2001029.011.49.04.539.5531.052505250.2146.17.95169.033.12.07I22a2201107.512.39.54.842.1033.053406309.6177.78.99225.941.12.32I22b2201129.512.39.54.846.5036.503583325.8189.88.78240.242.92.27I25

34、a2501168.013.010.05.048.5138.085017401.4230.710.17280.448.42.40I25b25011810.013.010.05.053.5142.015278422.5246.39.93297.350.42.36I28a2801228.513.710.55.355.3743.477115408.2292.711.35344.156.42.49I28b28012410.513.710.55.360.9747.867481534.4312.311.08363.858.72.44I32a3201306.515.011.55.867.1252.691108

35、0692.5400.512.85459.070.62.62I32b32013211.515.011.55.873.5257.7111626726.7426.112.58483.873.32.57I32c32013413.515.011.55.879.9262.7412173760.8451.712.34510.176.12.53I36a36013610.015.812.06.076.4460.0015796877.6508.812.38554.981.62.69I36b36013812.015.812.06.083.6465.6616574920.8541.214.08583.684.62.64I36c36014014.015.812.06.090.8471.31