美标工字钢规格性能参数 公差范围

美标工字钢规格性能参数公差范围

美标工字钢型号米重g高h宽btwtf
kg/m mmmmmmmms 3 x 5.78.576594.36.6s 3 x 7.511.276648.96.6s 4 x 7.711.5102684.97.4s 4 x 9.514.1102718.37.4s 5 x 1015.0127765.48.3s 6 x 12.518.6152855.99.1s 6 x 17.2525.71529111.89.1s 8 x 18.427.42031026.910.8s 8 x 2334.020310611.210.8s 10 x 25.437.82541187.912.5s 10 x 3552.025412615.112.5s 12 x 31.847.33051278.913.8s 12 x 3552.030512910.913.8s 12 x 40.860.730513311.716.7s 12 x 5074.030513917.416.7s 15 x 42.964.038114010.415.8s 15 x 5074.03811431415.8s 18 x 54.781.445715211.717.6s 18 x 7010445715918.117.6s 20 x 6698.050815912.820.2s 20 x 7511250816216.120.2s 20 x 86128515.6217916.823.4s 20 x 96.323.4s 24 x 801.722.1s 24 x 90.922.1s 24 x 100.922.1