●ZCuPb15Sn8化學(xué)成份:銅 Cu :其余錫 Sn :7.0~9.0鋅 Zn:≤2.0(不計(jì)入雜質(zhì)總和)鉛 Pb:13.0~17.0磷 P:≤0.10(雜質(zhì))鎳 Ni:≤2.0(不計(jì)入雜質(zhì)總和)鋁 Al:≤0.01(雜質(zhì))鐵 Fe:≤0.25(雜質(zhì))錳 Mn:≤0.2(雜質(zhì))硅 Si :≤0.01(雜質(zhì))銻 Sb :≤0.5(雜質(zhì))硫 S :≤0.10(雜質(zhì))注:雜質(zhì)總和≤1.0