AC2B
AC2B壓鑄鋁錠
化學成分:
Cu2.0~4.0
Si5.0~7.0
Mg0.50
Zn1.0
Fe1.0
Mn0.50
Ni0.35
Ti0.20
Pb0.20
Sn0.10
Cr0.20
Al余量