sa105m相当于国内什么材质(

sa-105m是碳钢还是不锈钢 -
sa-105m是碳钢sa-105m是指标准：ASME SA-105M Standard Specification for Carbon Steel Forgings for Piping Applications 管道用碳素钢锻件，
SA105M没听说过，SA105、SA105N是有的。SA105N是A105材质正火下面有A105材质的化学成分和机械性能参考资料：;id=174