铜合金BZn15-24-1.5 BAl13-3 BAl6-1.5 CuSi16
CuFe5 CuSb50 CuBe4 Cup14
铜合金Cup12 Cup10 Cup8 CuMg20
铜合金BMn3-12 BMn40-1.5 BMn40-1.5
BZn18-18 BZn18-26 BZn15-21-1.8
CuMn28 CuMn22 CuNi15 CuFe10