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1、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。截面特性尺寸mmx-x轴y-y轴 型号hbtwtrr1截面面积Acm2每米 重量 kg/m Izcm4Wzcm3Szcm3izcmIycm4Wycm3iycm10100684.57.66.53.314.331.2524549.028.24.1432.89.61.51 12.6126745.08.47.03.518.1014.2148877.444.25.1946.912.71.61 14140805.59.17.53.821.5016.88712101.758.45.756
2、4.316.11.73 16160886.09.98.04.026.1120.501127140.980.86.5793.121.11.89 18180946.510.78.54.330.7424.131699185.4106.57.37122.926.22.00 20a2001007.011.49.04.535.5527.912369236.9136.18.16157.931.62.11 20b2001029.011.49.04.539.5531.052505250.2146.17.95169.033.12.07 22a2201107.512.39.54.842.1033.053406309
3、.6177.78.99225.941.12.32 22b2201129.512.39.54.846.5036.503583325.8189.88.78240.242.92.27 25a2501168.013.010.05.048.5138.085017401.4230.710.17280.448.42.40 25b25011810.013.010.05.053.5142.015278422.5246.39.93297.350.42.36 28a2801228.513.710.55.355.3743.477115408.2292.711.35344.156.42.49 28b28012410.5
4、13.710.55.360.9747.867481534.4312.311.08363.858.72.44 32a3201306.515.011.55.867.1252.6911080692.5400.512.85459.070.62.62 32b32013211.515.011.55.873.5257.7111626726.7426.112.58483.873.32.57 32c32013413.515.011.55.879.9262.7412173760.8451.712.34510.176.12.53 36a36013610.015.812.06.076.4460.0015796877.
5、6508.812.38554.981.62.69 36b36013812.015.812.06.083.6465.6616574920.8541.214.08583.684.62.64 36c36014014.015.812.06.090.8471.3117351964.0573.613.82614.087.72.60 40a40014210.516.512.56.386.0767.56217141085.7631.215.88659.992.92.77 40b40014412.516.512.56.394.0773.84227811139.0671.215.56692.896.22.71 4
6、0c40014614.516.512.56.3102.0780.12238471192.4711.215.29727.599.72.67 45a45015011.518.013.56.8102.4080.38322411432.9836.417.74855.0114.02.89 45b45015213.518.013.56.8111.4087.45337591500.4887.117.41895.4117.82.84 45c45015415.518.013.56.8120.4094.51352781567.993.717.12938.0121.82.79 50a50015812.020.014
7、.07.0119.2593.61464721858.91084.119.741121.5142.03.07 50b50016014.020.014.07.0129.25101.46485561942.21146.619.381171.4146.43.01 50c50016216.020.014.07.0139.25109.31506392025.61209.119.071223.9151.12.96 56a56016612.521.014.57.3135.38106.27655762342.01368.822.011365.8164.63.18 56b56016814.521.014.57.3
8、146.58115.06685032446.51447.221.621423.8169.53.12 56c56017016.521.014.57.3157.78123.85714302551.11525.621.281484.8174.73.07 63a63017613.022.015.07.5154.59121.36940042984.31747.424.661702.4193.53.32 63b63017815.022.015.07.5169.19131.35981713116.61846.624.231770.7199.03.25 63c63018017.022.015.07.5179.79141.141023393248.91945.923.861942.4204.73.20注：普通工字钢的通常长度：110118，为5m19m；120163，为6m19m。
