Al-Cu-Mg-BASED ALUMINUM ALLOY AND Al-Cu-Mg-BASED ALUMINUM ALLOY MATERIAL

摘要

To provide a heat treatment type Al-Cu-Mg-based aluminum alloy having middle to high strength, and excellent in hardening property.SOLUTION: There is provided an Al-Cu-Mg-based aluminum alloy containing 0.5 to 2.5 mass% of Cu, 0.2 to 1.3 mass% of Mg, 0.4 to 1.5 mass% of Mn and the balance Al with inevitable impurities, and having total content of Cu and Mg, (Cu+Mg) of 1.1 to 3.1 mass%.SELECTED DRAWING: None