表19热轧等边角钢的尺寸规格b—边宽；d—边厚；r—内圆弧半径；r1—边端内弧半径；1(r1=---d)；3r2—边端外弧半径；I—惯性矩；i—惯性半径；W—截面系数；Z0—重心距离角钢号数尺寸/mm截面面积/mm理论质量/(kg/m)外表面积/(m2/m)参考数值X-XXo-XoYo-YoX1-X1zo/cmbdrIx/cm4ix/cmWx/cm3ixo/cmixo/CmWxo/cm31yo/cm4iyo/cmWyo/cm3Ix1/cm4220343.51.1321.4590.8891.1450.0780.0770.400.500.590.580.290.360.630.780.750.730.450.550.170.220.390.380.200.240.811.090.600.642.525341.4321.8591.1241.4590.0980.0970.821.030.760.740.460.591.291.620.950.930.730.920.340.430.490.480.330.401.572.110.730.763.030344.51.7492.2761.3731.7860.1170.1171.461.840.910.900.680.872.312.921.151.131.091.370.610.770.590.580.510.622.713.630.850.893.6363452.1092.7563.3821.6562.1632.6540.1410.1410.1412.583.293.951.111.091.080.991.281.564.095.226.241.391.381.361.612.052.451.071.371.650.710.700.700.760.931.094.686.257.841.001.041.0744034552.3593.0863.7911.8522.4222.9760.1570.1570.1563.594.605.531.231.221.211.231.601.965.697.298.761.551.541.522.012.583.101.491.912.300.790.790.780.961.191.396.418.5610.741.091.131.174.545345652.6593.4864.2925.0762.0882.7363.3693.9850.1770.1770.1760.1765.176.658.049.331.401.381.371.361.582.052.512.958.2010.5612.7414.761.761.741.721.702.583.324.004.642.142.753.333.890.890.890.880.881.241.541.812.069.1212.1815.2518.361.221.261.301.3355034565.52.9713.8974.8035.6882.3323.0593.7704.4650.1970.1970.1960.1967.189.2611.2113.051.551.541.531.521.962.563.133.6811.3714.7017.7920.681.961.941.921.913.224.165.035.852.983.824.645.421.000.990.930.931.571.962.312.6312.5016.6920.9025.141.341.381.421.465.656363.3432.6240.22110.191.752.4816.142.204.084.241.132.0217.561.484584.3905.4158.3673.4464.2516.5680.2200.2200.21913.1816.0223.631.731.721.683.243.976.0320.9225.4237.372.182.172.115.286.429.445.466.619.891.111.101.092.522.984.1623.4329.3347.241.531.571.686.36345681074.9786.1437.2889.51511.6573.9074.8225.7217.4691510.2480.2480.2470.2470.24619.0323.1727.1234.4641.091.961.941.931.901.884.135.086.007.759.3930.1736.7743.0354.5664.852.462.452.432.402.366.788.259.6612.2514.567.899.5711.2014.3317.331.261.251.241.231.223.293.904.465.476.3633.3541.7350.1467.1184.311.701.741.781.851.937704567885.5706.8758.1609.42410.6674.3725.3976.4067.3988.3730.2750.2750.2750.2750.27426.3932.2137.7743.0948.172.182.162.152.142.125.146.327.488.599.6841.8051.0859.9368.3576.372.762.732.712.692.688.4410.3212.1113.8115.4310.9913.3415.6117.8219.981.401.391.381.381.374.174.955.676.346.9845.7457.2168.7380.2991.921.861.911.951.992.03(7.5)75567897.4128.79710.16011.5035.8186.9057.9769.0300.2950.2940.2940.29439.9746.9553.5759.962.332.312.302.287.328.649.9311.2063.3074.3884.9695.072.922.902.892.8811.9414.0216.0217.9316.6319.5122.1824.861.501.491.481.475.776.677.448.1970.5684.5598.71112.972.042.072.112.151014.12611.0890.29371.982.2613.64113.922.8421.4830.051.469.56141.712.228805678107.9129.39710.8612.30315.1266.2117.3768.5259.65811.8740.3150.3140.3140.3140.31348.7957.3565.5873.4988.432.482.472.462.442.428.349.8711.3712.8315.6477.3390.98104.07116.6140.093.133.113.103.083.0413.6716.0818.4020.6124.7620.2523.7227.0930.3936.771.601.591.581.571.566.667.658.589.4611.0885.36102.50119.70136.97171.742.152.192.232.272.3599067810121010.63712.30113.94417.16720.3068.3509.65610.94613.47615.940.3540.3540.3530.3530.352B2.7794.83106.47128.58149.222.792.782.762.742.7112.6114.5416.4220.0723....
