合金结构钢锻件化学成分(质量分数)允许偏差

常用金属工程材料 | 铸铁、铸钢及锻钢 | 锻钢 | 锻件用结构钢的牌号和力学性能

元素,规定的最大范围(%),①,②,③,④,⑤,⑥ C,≤0.25,0.02,0.03,0.03,0.04,0.05,0.05 C,>0.25~0.55,0.03,0.04,0.04,0.05,0.0 ...