14-37 热轧圆钢、扁钢、等边角钢、普通槽钢技术参数

一、热轧圆钢技术数据直径(mm)质量(kg/m)直径(mm)质量(kg/m)直径(mm)质量(kg/m)直径(mm)质量(kg/m)55.566.57891011120.1540.1870.2220.2600.3020.3950.4990.6170.7460.888131415161718192021221.041.211.391.581.782.002.232.472.722.98232425262728303235363.263.553.854.174.494.835.556.317.55 ......（本文共 2552 字 ）     [阅读本文]>>