各牌号的成分分析合***号化学成分CuPbFeSnZnPCu+Sn+PC5111余量≤0.05≤0.103.5-4.5≤0.200.03-0.35≥99.5C5101余量≤0.05≤0.104.5-5.5≤0.200.03-0.35≥99.5C5191余量≤0.05≤0.105.5-7.0≤0.200.03-0.35≥99.5C5212余量≤0.05≤0.107.0-9.0≤0.200.03-0.35≥99.5C5210余量≤0.05≤0.107.0-9.0≤0.200.03-0.35≥99.5)