冷拔无缝矩形钢管的尺寸规格基本尺寸截面面积F/cm2理论重量G/kg・m-ABSmm1050.80.2030.16010.2430.1911250.80.2350.18510.2830.22260.80.2510.19710.3030.2381460.80.2830.22310.3430.2691.50.4710.37070.80.2990.23510.3630.2851.50.5010.394100.80.3470.27310.4230.3321.50.5910.46420.7310.5741560.80.2990.23510.3630.2851.50.5010.39420.6110.4801680.80.3470.27310.4230.3321.50.5910.46420.7310.574120.80.4110.32310.5030.3951.50.7110.55920.8910.7001890.80.3950.31010.4830.3791.50.6810.53520.8510.668100.80.4110.32310.5030.3951.50.7110.55920.8910.700140.80.4750.37310.5830.4581.50.8310.65321.0510.8251980.80.4110.32310.5030.3951.50.7110.55920.8910.700100.80.4430.34810.5430.4261.50.7710.60620.9710.763120.80.4750.37310.5830.4581.50.8310.65321.050.8252.51.240.9762290.80.4590.36110.5630.4421.50.8010.62921.0110.7942.51.190.936140.80.5390.42310.6630.5201.50.9510.74621.210.9512.51.441.1324120.80.5390.42310.6630.5201.50.9510.74721.210.9512.51.441.1325100.80.5230.41110.6430.5051.50.9210.72321.170.9202.51.391.091510.7430.5831.51.070.84121.371.082.51.641.29281110.7230.5671.51.040.81821.331.052.51.591.251410.7830.6151.51.130.88821.451.142.51.741.371610.8230.6461.51.190.93521.531.202.51.841.452210.9430.7401.51.371.0821.771.392.52.141.6832.491.953.52.802.2030121.51.130.88821.451.142.51.741.3732.011.5732131.51.220.95921.571.232.51.901.4932.191.72161.51.311.0321.691.332.52.041.6032.371.86251.51.581.2422.051.612.52.491.9632.912.2835141.51.341.0521.731.362.52.091.6432.431.903.52.732.1436181.51.491.1721.931.522.52.341.8432.732.143.53.082.42371521.851.452.52.241.7632.612.053.52.942.3143.252.55401622.011.582.52.441.9232.852.233.53.222.5343.572.802022.171.702.52.642.0733.092.423.53.502.7543.863.052522.371.862.52.892.2733.392.663.53.853.0244.293.36423022.652.08453022.772.182.53.392.6633.993.133.54.553.5745.093.99483022.892.272.53.542.78503223.052.402.53.742.9434.413.46553823.492.742.54.293.3735.073.983.55.814.5646.535.1260403.56.304.9547.095.5658.576.73705048.696.82510.578.30612.349.69714.0010.998060410.298.07512.579.87614.7411.57716.8013.199060411.098.70513.5710.65615.9412.52718.2014.2910070515.5712.22618.3414.40721.0016.48823.5418.4811075517.0713.40620.1415.81723.1018.13825.9420.3612080621.9417.22725.2019.78828.3422.25931.3724.6313085623.7418.64727.3021.43830.7424.13934.0726.7514080728.0021.98831.5424.76934.9727.451038.2930.0515075728.7022.53832.3425.39935.8728.161039.2930.8416065832.3425.39935.8728.161039.2930.841142.5933.43方形空心冷弯型钢（点击图形查看详细参数）【规格范围】AXAXt=20X20X1.0〜500X500X14.0【执行标准】2产品描述部分常用规格断面参数边长A允许偏差壁厚t理论重量截面面积2惯性矩4截面模数3回转半径20X20土0.502.01.051.340.0.0.230X30土0.503.02.313.003.52.3331.040X40土0.504.04.15.3411.045.5321.4350X50土0.504.05.4546.94723.7259.491.84760X60土0.604.06.718.5543.614.52.2670X70土0.654.07.9710.172.120.62.6780X80土0.704.09.2211.811127.83.0790X90土0.754.010.513.416236.03.48100X100土0.904.011.714.9522645.33.89120X120土0.906.020.7526.43562.193.74.61125X125土0.906.021.027.636411034.82140X140土1.1010.037.547.712681815.15150X150土1.206.026.433.6311501535.84160X160土1.201043.755.719902495.97180X180土1.408.041.552.825462836.94200X200土1.608.046.559.235673577.75220X220土1.8010.062.679.756755168.43250X250土2.0010.072.091.785686859.67260X260土2.2010.075.195.7971574710.1280X280土2.2012.099.712714690104910.8300X300土2.4012.01041321776711...
