厚度方向性能钢板化学成分和力学性能(摘自GB/T 5313-1985)

常用金属工程材料 | 钢板及钢带 | 热轧钢板和钢带

Z向性能级别,含硫量(质量百分数)≤,断面收缩率ψ(%)≥|①,断面收缩率ψ(%)≥|② Z15,0.01,15,10 Z25,0.007,25,15 Z35,0.005,35,25