HIGH-STRENGTH ALUMINUM ALLOY AND HIGH-STRENGTH ALUMINUM ALLOY CASTING

The present invention relates to a high-strength aluminum alloy, which is characterized by comprising: 2.0-13.0 wt% of copper (Cu), 0.4-4.0 wt% of manganese (Mn), 0.4-2.0 wt% of iron (Fe), 6.0-10.0 wt% of silicon (Si), more than 0.0 to 7.0 wt% of zinc (Zn), more than 0.0 to 2.0 wt% of magnesium (Mg), more than 0.0 to 1.0 wt% of chromium (Cr), more than 0.0 to 3.0 wt% of nickel (Ni), more than 0.0to 0.05 wt% of production-induced impurities, and the balance aluminum (Al). 本发明提供一种高强度铝合金，其特征在于，包括2.0至13.0重量％的铜(Cu)，0.4至4.0重量％的锰(Mn)，0.4至2.0重量％的铁(Fe)，6.0至10.0重量％的硅(Si)，大于0.0且小于7.0重量％的锌(Zn)，大于0.0且小于2.0重量％的镁(Mg)，大于0.0且小于1.0重量％的铬(Cr)，大于0.0且小于3.0重量％的镍(Ni)，大于0.0且小于0.05重量％的生产诱导的杂质及余量的铝(Al)。