海量资源,尽在掌握
 热轧钢筋化学成分①表3-18品种牌号化学成分(%)外形强度等级C(碳)Si(硅)Mn(锰)V(钒)光钢圆筋ⅠA3、AY30.14~0.220.12~0.300.35~0.65-变形钢筋Ⅱ20MnSi0.17~0.250.40~0.801.20~1.60-20MnNb60.17~0.25≤0.171.00~1.50-Ⅲ②25MnSi0.2~0.30.60~1.001.20~1.60-Ⅳ (共 4286 字) [阅读本文] >>