Patent ID: 8764920

Claim:
A method comprising: (a) preparing an aluminum alloy product consisting of: 3.3 to 4.1 wt. % Cu; 0.7 to 1.3 wt. % Mg; 0.01 to 0.16 wt. % V; 0.05 to 0.6 wt. % Mn; 0.05 to 0.20 wt. % Zr; and up to 0.6 wt. % Ag; the balance being aluminum, incidental elements, and impurities; wherein the combined amount of copper and magnesium is in the range of from 4.0 wt. % to 5.1 wt. %; wherein the ratio of copper to magnesium is in the range of from 2 to 5.5 and (b) processing the aluminum alloy product into one of a T3 or T8 temper.