2025-01-26 14:59:33
钢筋的规格型号主要包括以下几种:普通碳素结构钢钢筋Q235Q235BQ235C低合金高强度结构钢钢筋HRB335HRB400HRB500螺纹钢HPB300HPB400HPB500钢筋的直径大小3mm - 5mm(钢丝)6mm - 10mm(细钢筋)12mm - 32mm(粗钢筋)34mm - 40m