AC4A alluminum alloy be widely used automobile accessories, the wheel producing.
the chemical composition of AC4A:
Si 8.0-10.0
Cu 0.25max
Mg 0.35-0.6
Zn 0.25max
Mn 0.3-0.6
Fe 0.4max
Ni 0.1max
Ti 0.2max
Sn 0.05max
Cr
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