不锈钢和耐热钢成品化学成分允许偏差

常用金属工程材料 | 钢铁材料的基本知识 | 钢的成品化学成分允许偏差(GB/T 222-2006)

元素,规定化学成分上限值,允许偏差|上偏差,允许偏差|下偏差 C,≤0.010,0.002,0.002 C,>0.010~0.030,0.005,0.005 C,>0.030~0.20,0.01,0. ...