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型钢规格重量表圆钢扁钢槽钢工字钢等边三角钢不等边三角钢规格kg/m规格kg/m规格kg/m规格kg/m规格kg/m规格kg/m规格kg/m规格kg/m60.22280.39520*40.655.441011.220*30.8970*66.430*20*31.1780*55*54.9990.49922*40.788.04121425*31.1270*77.3941.5265.92100.61725*41.4680*67.3640*25*31.4890*56*66.7120.88825*40.810101416.930*41.7878.5141.9488.77161.5825*511212.061620.536*31.6589.6545*28*31.68100*63*67.5318230*40.914a14.531824.136*42.1690*68.3342.1978.730*30*3202.4730*51.2B16.7320a27.940*31.8579.6450*32*31.989.87222.9836*41.120b17.32B31.140*42.42810.9342.49100*70*6.58.99243.5536*51.4B19.7422a3345*32.08100*6.510.0656*36*42.8179.64264.1740*41.322a20.17B36.445*42.73710.7953.46810.93284.8340*51.6B20.9942a37.445*53.37812.2563*40*43.17125*80*711.04305.5540*61.920a22.63B41.250*43.051015.153.91812.53326.3145*51.8B25.7727a42.850*53.77110*711.8964.031015.47347.1345*62.122a24.99B47.763*43.9110*813.570*45*4.53.98140*90*814.13367.9945*72.5B28.4530a4863*54.81125*815.5554.391017.5388.950*5224a26.55B52.763*65.72917.2970*50*54.8160*100*917.97409.8750*62.4B30.6233a53.470*55.381019.165.691019.854512.4850*72.830a34.45B58.6