PBC2进口铸铜
铸造铜合金:CuZn37Pb1Sn1CuZn37Pb1Sn1CuZn38AlFeNiPbSnCuZn38Mn1AlCuZn38Sn1AsCuZn39Mn1AlPbSiCuZn40Mn1Pb1CuZn40Mn1Pb1AlFeSnCuZn40Mn1Pb1FeSnCuZn40Mn2Fe1CuZn40SiCuZn40SiSnCuZn40MnSiCuZn40MnSiSnCuZn39Mn1SiSnCuZn37SiCuZn40Sn1CuZn40FeSiSnCuAl6Si2FeCuAl10Fe1CuAl8CuAl9Ni4Fe3Mn2CuNi10Zn42)