方钢管理论重量计算式
公式:4x壁厚x(边长-壁厚)x7.85/1000 序号 规格型号 宽度 宽度 厚度 理论重量(Kg) 备注 1 20*20 20 20 1.2 0.7084 20 20 1.5 0.8714 20 20 2.0 1.1304 2 25*25 25 25 1.0 0.7536 25 25 1.2 0.8968 25 25 1.5 1.1069 25 25 2.0 1.4444 3 30*30 30 30 1.2 1.0852 30 30 1.5 1.3424 30 30 2.0 1.7584 30 30 2.8 2.3914 30 30 3.0 2.5434 4 38*38 38 38 1.5 1.7192 38 38 2.0 2.2608 38 38 2.8 3.0948 5 40*40 40 40 1.2 1.4620 40 40 1.5 1.8134 40 40 2.0 2.3864 40 40 2.3 2.7227 40 40 2.5 2.9438 40 40 2.8 3.2706 40 40 3.0 3.4854 40 40 4.0 4.5216 6 50*50 50 50 1.5 2.2844 50 50 2.0 3.0144 50 50 2.3 3.4449 50 50 2.5 3.7288 50 50 2.8 4.1498 50 50 3.0 4.4274 50 50 4.0 5.7776 50 50 4.5 6.4292 50 50 5.0 7.0650 7 60*60 60 60 2.5 4.5138 60 60 2.8 5.0290 60 60 3.0 5.3694 60 60 3.2 5.7073 60 60 4.0 7.0336 8 63.5*63.5 63.5 63.5 2.5 4.7885 63.5 63.5 2.8 5.2458 63.5 63.5 2.8 5.3367 9 65*65 65 65 3.0 5.8404 65 65 4.0 7.6616 65 65 4.5 8.5487 65 65 5.0 9.4200 10 75*75 75 75 2.0 4.5844 75 75 2.3 5.2504 75 75 2.8 6.3478 75 75 3.0 6.7824 75 75 4.0 8.9176 75 75 4.5 9.9617 75 75 5.0 10.9900 75 75 6.0 12.9996 11 80*80 80 80 6.0 13.9416 12 89*89 89 89 4.5 11.9399 89 89 5.0 13.1880 89 89 6.0 15.6372 13 100*100 100 100 3.0 9.1374 100 100 3.2 9.7265 100 100 4.5 13.4942 100 100 5.0 14.9150 100 100 6.0 17.7096 14 120*120 120 120 3.0 11.0214 15 125*125 125 125 4.0 15.1976 125 125 4.5 17.0267 125 125 6.0 22.4196 16 150*150 150 150 4.5 20.5592 150 150 5.0 22.7650 150 150 6.0 27.1296 17 200*200 200 200 6.0 36.5496