Patent ID: 11933553
Assignee: NOVELIS INC.
Field: Materials, metallurgy (Chemistry)
Classification: CPC F  B  C | IPC B  C  F

Claim 7:
8. The process of claim 1, wherein the fin stock aluminum alloy sheet comprises 0.9-1.2 wt. % Si, 0.3-0.5 wt. % Fe, 0.20-0.40 wt. % Cu, 1.3-1.4 wt. % Mn, 0-0.1 wt. % Mg, 2.5-3.0 wt. % Zn, less than 0.01 wt. % Zr, less than 0.01 wt. % Cr, and Al and impurities at ≤0.15 wt. %, wherein each impurity is below 0.05 wt. %.