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1、(1)尺寸规格。扁钢的尺寸规格扁钢宽度 mm在下列厚度时扁钢的理论质量(kgm)56789101112141516182025308O310.380.44 lO0.39O470.55O63O71 12O47O55O660.750.850.941.04 13O51O6lO710.82O921.021.12 140.55O660.770.880.991.101.2l1.32 150.59O710.82O941.061.181.291.41 16O630.75O881.001.131.261.381.5l1.76 180.7lO85O991.131.271.411.551.701.962.122.2
2、6 200.78O941.101.261.411.571.731.882.282.362.512.63 220.861.041.2l1.381.551.731.902.072.422.692.763.113.45 24O941.131.321.5l1691.882.072.262.642.833.013.393.77 扁钢宽度 mm在下列厚度时扁钢的理论质量(kgm)56789101l121415161820253025O981.181.371.571.771.962.162.362.752.943.143.533.92 281.101.321.541.761.982.202.422.643.
3、083.283.523.964.405.49 301.181.411.651.882.122.362.592.833.303.533.774.244.7l5.89 32 1.5l1.762.012.262.512.763.Ol3.523.774.025.025.026.287.5435 1.651.922.192.472.753.023.293.854.124.394.955.496.878.2436 1.701.982.262.542.833.113.393.964.244.525.095.657.068.4838 2.092.392.682.983.283.584.184.474.775.
4、375.977.468.9540 2.202.5l2.833.143.453.774.404.715.025.656.207.859.4245 2.833.183.533.894.244.955.295.656.367.068.83lO6050 3.533.924.324.7l5.505.896.287.067.859.8111.78注：表中的理论质量是按相对密度为785gcm计算的。 (2)允许偏差。扁钢的允许偏差 (mm)扁钢厚度及宽度允许偏差级别10(h10)11(h11)12(h12)允许偏差6O0.0480-0.0750-0.126lOO-0.0580-0.0900-0.1510180-0.0700-0.110O-O1818300-0.0840-0.130O-O213050O-O100O-0.1600-0.25
