Patent ID: 7704333

Claim:
An aluminum alloy wrought product having improved strength and ductility, consisting essentially of: a) Cu 3.8-5.2 wt. %, Mg 0.2-0.6 wt. % Mn 0.2-0.5 wt. % Ag 0.2-0.5 wt. % Ti 0.02-0.12 wt. % and optionally one or more selected from the group consisting of Cr 0.1-0.8 wt. %, Hf 0.1-1.0 wt. %, Sc 0.03-0.6 wt. %, and V 0.05-0.15 wt. %, b) balance aluminum and normal and/or inevitable elements and impurities, and wherein said alloy is substantially zirconium-free.