Classification Alloy Name Alloy Series Performance Characteristics Example Deformed aluminum alloy Can not be heat-treated and strengthened Anti-corrosive aluminum Al-Mn Corrosion resistance, pressure processability and welding performance are good, but the strength is low 3A21 Al-Mg 5A05 Heat treatable hard Duralumin Al-Cu-Mg High mechanical properties 2A11,2A12 Duralumin Al-Cu-Mg-Zn High room temperature strength 7A04,7A09 Wrought aluminum Al-Mg-Si-Cu good forging performance Good heat resistance 2A14,2A50 Al-Cu-Mg-Fe-Ni 2A70,2A80