Patent ID: 11920229
Assignee: NOVELIS INC.
Field: Materials, metallurgy (Chemistry)
Classification: CPC C | IPC C

Claim 3:
4. The aluminum alloy of claim 1, comprising 0.07-0.2 wt. % Cr, greater than 1.1-1.5 wt. % Cu, 0.15-0.25 wt. % Fe, 0.8-1.3 wt. % Mg, 0.1-0.15 wt. % Mn, 0.6-1.2 wt. % Si, 0.05-0.10 wt. % Ti, 0.01-0.1 wt. % Zn, up to 0.05 wt. % Zr, up to 0.05 wt. % Sc, up to 0.1 wt. % Sn, up to 0.05 wt. % Ni, up to 0.15 wt. % impurities, and aluminum, wherein the amount of Cr+Ti is 0.2 wt. % or less.