Donghe Metal Product Center 钢 铁 铝 钛 铜 Special-shaped copper

Lead-free environmentally friendly copper ingots

The copper ingots produced by our company are smelted and cast through a complex process. After gravity casting, they have a high-quality polished surface. They are widely used in the high-end bathroom industry and handicraft industry. We can provide customized composition services according to your needs.

Company phone: 0769-83775310 83775312

Performance advantages of lead-free environmentally friendly copper ingots

  • Grade A polished copper ingot: number of surface impurities (single area less than or equal to 0.08 square millimeters) ≤ 3
  • DZR copper ingot: Dezincification resistance depth requirement <100 microns

Performance parameters of lead-free environmentally friendly copper ingots

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