钢筋编号HPB、HRB、RRB的区别
钢筋编号HPB、HRB、RRB的区别HPB全称是热轧光圆型钢筋(圆钢)(HPB是Hot-rolledPlainSteelBar的英文缩写),俗称盘条,直径6—12个圆的最常见,其中包括HPB235和H
钢筋编号HPB、HRB、RRB的区别