铜(Cu):60.5~63.5%
铁(Fe): ≤ 0.15%
铅(Pb):≤ 0.08%
锑(Sb):≤0.005%
铋(Bi):≤0.002%
磷(P):≤0.01%
锌(Zn):余量
杂质总和:≤0.5%