优质C65500 C65600 C65600硅青铜 进口原料

C65500 高硅青铜Cu Rem,Pb0.05, Fe0.8, Zn1.5, Mn0.5-1.3, Si2.8-3.8, Ni0.6

C65600 爱维杜尔铜合金Cu Rem,Pb0.02, Fe0.5, Sn1.5, Zn1.5, Mn1.5, Si2.8-4

C65610 硅青铜Cu Rem,Pb0.2-0.8, Fe0.25, Zn1.5, Mn1.5, Si2.8-3.5