铸造铜合金:ZCuSn3Zn8Pb6Ni1ZCuSn3Zn11Pb4ZCuSn5Pb5Zn5ZCuSn10Pb1ZCuSn10Pb5ZCuSn10Zn2ZCuPb10Sn10ZCuPb15Sn8ZCuPb17Sn4Zn4ZCuPb20Sn5ZCuPb30ZCuAl8Mn13Fe3ZCuAl8Mn13Fe3Ni2ZCuAl9Mn2ZCuAl9Fe4Ni4Mn2ZCuAl11Fe3ZCuAl10Fe3Mn2ZCuZn38ZCuZn25Al6Fe3Mn3ZCuZn26Al4Fe3Mn3ZCuZn31AL2)