常用角钢尺寸表(4 页)Good is good, but better carries it.精益求精，善益求善。热轧等边角钢（GB／T9787--1988） (1)尺寸规格见表 1。(2)允许偏差见表 2。表 1 热轧等边角钢的尺寸规格角钢号数尺 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-Xlzo／cmbdrIx/cm4ix／cmWx／cm3ixo/cmixo／CmWxo/cm31yo/cm4iyo／cmWyo／cm3Ix1/cm4220 343.51.1321.4590.8891.1450.078O.40O.500.59O.50.29O.360.63O.780.750.730.450.550.17O.22O.390.38O.200.24O.811.09O.600.640.07782.525341.4321.8591.1241.4590.098O.0970.821.030.76O.740.46O.591.291.62O.95O.930.73O.92O.340.430.49O.48O.330.401.572.110.73O.763.030344.51.7492.2761.3731.786O.1170.1171.461.84O.9l0.90O.680.872.3l2.921.151.131.091.37O.610.770.59O.58O.51O.622.7l3.630.85O.893.6363452.1092.7563.3821.6562.1632.654O.14l0.141O.1412.583.293.951.1l1.091.08O.991.281.564.095.226.241.391.381.361.6l2.052.451.071.371.650.7l0.70O.70O.76O.931.094.686.257.841.001.041.0744034552.359 3.0863.7911.8522.4222.976O.1570.157O.1563.594.605.531.231.221.211.231.601.965.697.298.761.551.541.522.012.583.101.491.912.30O.790.79O.78O.961.191.396.4l8.5610.741.091.131.174.545345652.6593.4864.2925.0762.0882.7363.3693.9850.177O.1770.176O.1765.176.658.049.331.401.381.371.361.582.052.512.958.2010.5612.7414.761.761.741.721.702.583.324.004.642.142.753.333.890.890.890.880.881.241.541.8l2.069.1212.1815.2518.361.221.261.301.33550 345.5 2.97l3.8972.3323.059O.1977.189.261.551.541.962.5611.3714.701.961.943.224.162.983.821.000.991.571.9612.5016.691.341.38564.8035.6883.7704.465O.197O.1960.19611.2l13.051.531.523.133.6817.7920.681.921.915.035.854.645.42O.930.932.3l2.6320.9025.141.421.465.6 56 345863.3434.3905.4158.3672.6243.4464.2516.5680.22l0.220O.220O.21910.1913.1816.0223.631.751.731.721.682.483.243.976.0316.1420.9225.4237.372.202.182.172.114.085.286.429.444.245.466.619.891.131.111.101.092.022.522.984.1617.5623.4329.3347.241.481.531.571.686.363 45674.9786.1437.2883.9074.8225.7210.248O.2419.0323.1727.121.961.941.934.135.086.oo30.1736.7743.032.462.452.436.7...
