Cu-a3 Cu-b1铜合金法国铜合金CuNi5Fe CuNi10Fe CuNi20 CuNi25 CuNi30 CuNi20MnFe CuNi30MnFe CuNi10Fe1Mn CuNi30FeMn CuNi30Fe2Mn2 CuNi3Si CuNi14Al2 CuNi44Mn CuZn19Al6-Y20 CuZn23Al4-Y20 CuZn30AlFeMn-Y40 CuZn33pb-Y20 CuZn40-Y30 CuZn-Y40 Cupb5Sn5Zn5 CuSn7Pb6Zn4 CuSn8 CuSn12 CuPb10Sn10 Cupb20Sn5 CuAl9 CuAl10Fe3 CuAl9Ni3Fe2 CuAl10Fe5Ni5 CuAl12Fe5Ni5 Cu-Zn30 Cu-Zn29Sn1 Cu-Zn22Al2 Cu-Ni10Fe1Mn Cu-Ni20Mn1Fe Cu-Ni30Mn1Fe Cu-Ni30Fe2Mn2 Cu-Al6 Cu-Al9Fe2Ni2Mn1