理论重量表-扁铁、角铁、槽钢.扁铁理论重量-扁钢规格表扁钢规格、重量表[冶标(GB)704-65]度厚宽度1416182022252830456789101112(mm)(kg/m)量重0.38120.470.570.660.750.88140.440.550.660.770.500.630.750.881.00161.151.260.570.710.850.991.13181.271.410.630.790.941.101.26201.411.571.731.880.690.861.041.211.381.55221.731.902.070.790.981.181.371.571.771.962.16252.362.753.140.881.101.321.541.761.982.202.422.643...