次级类别
A 537/A 537M (2013) 压力容器用经热处理的碳锰硅钢板
注释 化学成分
Heat analysis; Manganese may exceed 1.35 % on heat analysis, up to a maximum of 1.60 %, and nickel may exceed 0.25 % on heat analysis, up to a maximum of 0.50 %, provided the heat analysis carbon equivalent does not exceed 0.57 % when based upon the following equation: C + Mn/6 + (Cr+ Mo + V)/5 + (Ni + Cu)/15. When thi