号 | 化学成分% | 其他杂质总和 | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Cu | Pb | AI | Fe | Ni | Sn | Si | Bi | As | Zn | ||
特A级铜锭 | 59.0~60.3 | 1.0~1.8 | 0.5~0.75 | ≤0.15 | ≤0.1 | ≤0.15 | ≤0.03 | ≤0.02 | ≤0.01 | 余量 | ≤0.2 |
DZR铜锭 | 61.0~64.0 | 0.8~2.5 | 0.5~0.8 | ≤0.5 | ≤1 | ≤1.0 | ≤0.05 | ≤0.05 | 0.04~0.25 | 余量 | ≤0.5 |
铋无铅黄铜锭 | 61.0~63.0 | ≤0.2 | 0.5~0.8 | ≤0.3 | ≤0.3 | ≤0.4 | ≤0.05 | 0.40~1.0 | ≤0.02 | 余量 | ≤0.03 |
硅无铅黄铜锭 | 61.0~64.0 | ≤0.2 | 0.5~0.8 | ≤0.1 | ≤0.1 | ≤0.15 | 0.5~0.7 | 0.02 | ≤0.02 | 余量 | ≤0.03 |