工字钢截面特性.doc

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），以供有关人员在使用型钢替代工字钢时参考。表 型钢与工字钢型号及性能参数比较表工字钢型 号型钢型号型钢与工字钢性能参数比较工字钢型 号型钢型号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面积抗弯强度抗剪强度抗弯刚度惯性半径ixiyixiyI10H125601.191.361.631.701.200.86I40aH4002000.981.090.791.091.061.64I12.6H150751.001.171.191.391.181.02H4501500.971.110.971.251.131.11I14H175901.081.371.151.711.261.18H4461990.991.200.881.341.161.56I16H175900.890.990.921.081.101.08I40bH4002000.891.040.671.041.081.68H198990.901.160.951.431.261.16H4501500.891.060.831.191.151.14H2001001.061.331.161.671.251.17H4461990.901.140.751.271.191.59I18H2001000.901.010.951.131.121.11H4502001.041.320.851.481.191.62H2481241.071.551.092.131.411.39H5001501.041.351.011.691.271.12I20aH2481240.931.210.911.501.281.31I40cH4002000.820.990.590.991.111.71H2501251.071.381.091.721.281.32H4501500.821.010.721.141.181.15I20bH2481240.831.150.721.421.311.35H4461990.831.090.651.221.221.63H2501250.961.300.861.631.311.35H4502000.951.260.741.411.221.65I22aH2501250.901.050.921.201.161.21H5001500.961.290.891.611.301.15H2981490.991.401.021.901.381.41H4961990.991.420.811.761.341.61I22bH2501250.811.000.741.141.181.23I45aH4502000.951.050.811.051.051.52H2981490.891.330.821.801.411.44H5001500.961.070.971.191.021.05H3001501.021.500.962.051.411.44H4961990.991.180.891.301.151.48I25aH2981490.861.080.841.291.221.36I45bH4502000.871.000.701.001.071.54H3001500.981.220.991.471.221.36H5001500.881.030.841.141.141.07I25bH2981490.781.030.681.221.251.36H4961990.911.130.751.241.171.50H3001500.891.160.811.391.251.36H5002001.031.280.861.421.181.52H3461740.991.540.872.121.461.61I45cH4502000.811.030.670.961.091.57I28aH3461740.961.280.901.571.281.54H5001500.821.050.801.091.161.09I28bH3461740.871.210.741.501.311.55H4961990.841.160.731.191.191.53H3501751.041.460.871.831.321.58H5002000.951.310.821.351.201.55I32aH3501750.951.130.831.241.151.50H5961991.011.590.971.961.401.45I32bH3501750.871.080.701.181.171.51I50aH5002000.961.030.861.031.041.41H4001500.971.300.891.621.291.23H5961991.021.251.011.491.211.32H3961990.981.390.791.721.331.72I50bH5062011.021.070.831.161.071.47I32cH3501750.801.030.601.131.201.51H5961990.941.200.881.431.231.34H4001500.891.240.771.541.331.23H6002001.051.250.971.611.241.37H3961990.901.330.681.641.361.72I50cH5002000.821.020.710.941.081.46I36aH4001500.931.070.901.191.131.19H5062010.941.100.791.121.091.50H3961990.941.150.801.271.161.67H5961990.871.230.841.371.261.36I36bH4001500.851.020.761.131.161.22H6002000.971.290.931.541.271.39H3961990.861.100.681.211.181.70I56aH5961990.900.990.871.061.091.27H4002001.011.290.781.431.191.72H6002001.001.040.961.191.101.29H4501501.001.310.961.641.281.17I56bH6062011.051.140.921.331.131.33H4461991.021.410.861.751.311.63I56cH6002000.861.020.811.091.131.30I36cH3961990.791.050.591.151.211.72H6062010.971.180.891.271.151.33H4002000.931.230.681.371.221.75I63aH5823001.131.100.891.100.992.00H4501500.921.250.831.561.301.18I63bH5823001.041.050.781.051.002.02H4461990.941.350.751.671.341.66I63cH5823000.971.090.761.011.022.03热轧普通工字钢 型号HBdtAIy(mm4)Ix(mm4)普工10100684.57.614333280002450000普工12.61267458.418104690004880000普工14140805.59.121506430007120000普工161608869.9261193100011270000普工18180946.510.73074122900016690000普工20a200100711.43555157900023690000普工20b200102911.43955169000025020000普工22a2201107.512.34210225900034060000普工22b2201129.512.34650240200035830000普工25a2501168134851280400050170000普工25b25011810135351297300052780000普工28a2801228.513.75537344100071150000普工28b28012410.513.76097363800074810000普工32a3201309.51567124590000110800000普工32b32013211.51573524838000116260000普工32c32013413.51579925101000121730000普工36a3601361015.876445549000157960000普工36b3601381215.883645836000165740000普工36c3601401415.890846140000173510000普工40a40014210.516.586076599000217140000普工40b40014412.516.594076928000227810000普工40c40014614.516.5102077275000238470000普工45a45015011.518102408550000322410000普工45b45015213.518111408954000337590000普工45c45015415.518120409380000352780000普工50a50015812201192511215000464720000普工50b50016014201292511714000485560000普工50c50016216201392512239000506390000普工56a56016612.5211353813658000655760000普工56b56016814.5211465814238000685030000普工56c56017016.5211577814848000714300000普工63a63017613221545917024000940040000普工63b63017815221671917707000987710000普工63c630180172217979184240001023390000其中: H-高度(mm)B-翼缘宽(mm) d-腹板厚(mm)t-翼缘平均厚(mm)A-截面面积(mm2)热轧轻型工字钢型号HBdtAIy(mm4)Ix(mm4)轻工10100554.57.212001790001980000轻工12120644.87.314702790003500000轻工14140734.97.517404190005720000轻工161608157.820205860008730000轻工18180905.18.1234082600012900000轻工18a1801005.18.32540114000014300000轻工202001005.28.42680115000018400000轻工20a2001105.28.62890155000020300000轻工222201105.48.73060157000025500000轻工22a2201205.48.93280206000027900000轻工242401155.69.53480198000034600000轻工24a2401255.69.83750260000038000000轻工2727012569.84020260000050100000轻工27a270135610.24320337000055000000轻工303001356.510.24650337000070800000轻工30a3001456.510.74990436000077800000轻工33330140711.25380419000098400000轻工363601457.512.361905160000133800000轻工4040015581371406660000189300000轻工454501608.614.283008070000274500000轻工505001709.515.2978010400000392900000轻工5555018010.316.51140013500000551500000轻工6060019011.117.81320017200000754500000轻工656502001219.215300217000001014000000轻工707002101320.817600273000001346000000轻工70a700210152420200324000001527000000轻工70b70021017.528.223400391000001753700000其中: H-高度(mm)B-翼缘宽(mm) d-腹板厚(mm)t-翼缘平均厚(mm)A-截面面积(mm2)大通高频焊接工字钢型号A(cm2)Iy(cm4)Ix(cm4)100x50x2.3x3.25356.6890.71100x50x3.2x4.57419.4122.77100x100x6x82104133.48369.05120x120x3.2x4.51435129.63396.84120x120x4.5x61926172.88515.53150x75x3.2x4.5112631.68432.11150x100x3.2x4.5135175.04551.24150x100x4.5x61821100.1720.99150x150x4.5x6242175.511032.21150x150x6x8320498.671331.43200x100x3.2x4.5151158.581045.92200x100x4.5x6204678.081378.62200x100x6x82704133.661786.89200x150x3.2x4.51961253.181475.97200x150x4.5x62646337.641943.34200x150x6x83504450.332524.6200x200x6x8430410673262.3250x125x3.2x4.51896146.552068.56250x125x4.5x62571123.362738.6250x125x4.5x83052260.593409.75250x125x6x83404260.843569.91250x150x3.2x4.52121253.192407.62250x150x4.5x62871337.6831.8521250x150x4.5x83453450.183995.6250x150x6x83804450.424155.77250x200x6x8460410.67095327.47300x150x3.2x4.52281253.236.0441300x150x4.5x63096337.724785.96300x150x4.5x83678450.225976.11300x150x6x84104450.516262.44300x200x6x849041067.187968.14350x150x4.5x83903450.258416.36350x150x6x84404450.68882.11350x175x3.2x4.52666402.055757.85350x175x4.5x63621536.197661.31350x175x4.5x84303714.849586.21350x175x6x84804715.1810051.96350x200x6x852041067.2711221.81其中: 型号-高度(mm)x翼缘宽(mm)x腹板厚(mm)x翼缘平均厚(mm)热轧H型钢型号dtgA(cm2)Iy(cm4)Ix(cm4)HW100x10068102190383134HW125x1256.59103031847294HW150x1507101340551660546HW175x1757.5111351432900984HW200x20081216642847701600HW250x250914169218108003650HW300x30010152012040205006760HW350x350121920173904030013600HW400x400132124219506690022400HM200x150691639762740508HM250x1757111656246120985HM300x200812207303114001600HM350x2509142010150217003650HM400x30010162413670389007210HM450x30011182415740561008110HM500x30011182816440714008120HM600x300122028192501180009020HN200x1005.581327571880134HN250x125691337874080294HN300x1506.591647537350508HN350x17571116636613700985HN400x200813168412237001740HN450x200914209741337001870HN500x20010162011420478002140HN600x20011172413520782002280HN700x3001324282355020100010800HN800x3001426282674029200011700HN900x3001628283098041100012600HW10010068102190383134HW1751757.5111351432900984HW20020081216642847701600HW200200121216722850301700HW250250914169218108003650HW25025014141610470115003880HW30030012122010830170005520HW30030010152012040205006760HW30030015152013540216007100HW350350101620146003330011200HW350350121920173904030013600HW400400151524179204920016300HW400400111824187605640018900HW400400132124219506690022400HW400400182824296209300031000HW400400212124251507110023800HW4004002035243614011900039400HW#200150691639762740508HW2501757111656246120985HW300200812207303114001600HW3502509142010150217003650HW40030010162413670389007210HW45030011182415740561008110HW50030011152814640608006770HW50030011182816440714008120HW600300121728174501030007670HW600300122028192501180009020HW6003001423282224013700010600HN1759058102321122097.6HN#2001004.571323591610114HN#2001005.581327571880134HN250125581332893560255HN250125691337874080294HN3001505.581641556460443HN3001506.591647537350508HN3501756916531911200792HN35017571116636613700985HN40015081316711218800734HN400200711167216200001450HN400200813168412237001740HN45015091420834127100793HN4502008122084952900001580HN450200914209741337001870HN500150101620982338500907HN5002009142010130419001840HN50020010162011420478002140HN50020011192013130565002580HN60020010152412120693001980HN60020011172413520782002280HN60020012202415330910002720HN700300132028211501720009020HN7003001324282355020100010800HP200200121216722850301700HP250250111116820587902940HP25025014141610470115003880HP30030012122010830170005520HP30030010152012040205006760HP30030015152013540216007110HP35035013132013530282009380HP350350161620166603530011800HP350350121920173904030013600HP350350191920198404280014400HP400400151524179204920016300HP400400181824215205990020000HP400400132124219506690022400HP400400182824296209300031000HP400400212124251507110023800HP4004002035243614011900039400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）I截面惯性矩；W截面抵抗矩；S半截面面积矩；t截面回转半径。型号尺寸mm截面面积Acm2每米 重量 kg/m截面特性x-x轴y-y轴hbtwtrr1Izcm4Wzcm3Szcm3izcmIycm4Wycm3iycm10100684.57.66.53.314.331.2524549.028.24.1432.89.61.5112.6126745.08.47.03.518.1014.2148877.444.25.1946.912.71.6114140805.59.17.53.821.5016.88712101.758.45.7564.316.11.7316160886.09.98.04.026.1120.501127140.980.86.5793.121.11.8918180946.510.78.54.330.7424.131699185.4106.57.37122.926.22.0020a2001007.011.49.04.535.5527.912369236.9136.18.16157.931.62.1120b2001029.011.49.04.539.5531.052505250.2146.17.95169.033.12.0722a2201107.512.39.54.842.1033.053406309.6177.78.99225.941.12.3222b2201129.512.39.54.846.5036.503583325.8189.88.78240.242.92.2725a2501168.013.010.05.048.5138.085017401.4230.710.17280.448.42.4025b25011810.013.010.05.053.5142.015278422.5246.39.93297.350.42.3628a2801228.513.710.55.355.3743.477115408.2292.711.35344.156.42.4928b28012410.513.710.55.360.9747.867481534.4312.311.08363.858.72.4432a3201306.515.011.55.867.1252.6911080692.5400.512.85459.070.62.6232b32013211.515.011.55.873.5257.7111626726.7426.112.58483.873.32.5732c32013413.515.011.55.879.9262.7412173760.8451.712.34510.176.12.5336a36013610.015.812.06.076.4460.0015796877.6508.812.38554.981.62.6936b36013812.015.812.06.083.6465.6616574920.8541.214.08583.684.62.6436c3601