300×150H型钢截面尺寸、截面面积、理论质量类别型号截面积尺寸截面面积理论重量(高度×宽度)(mm)H×Bt1t2r(cm2)(kg/m)HW100×100100×100681021.917.2125×125125×1256.591030.3123.8150×150150×1507101340.5531.9175×175175×1757.5111351.4340.3200×200200×2008121664.2850.5#200×20412121672.2856.7250×250250×2509141692.1872.4#250×255141416104.782.2300×300#294×302121220108.385300×300101520120.494.5300×305151520135.4106350心语:文{创素材库:https://www.xinyuwenchuang.cn/…。公众—号:笔杆子星域。整理汇总。×350#344×348101620146115350×350121920173.9137400×400#388×402151524179.2141#394×398111124187.6147400×400132124219.5172#400×408212124251.5197#414×405182...