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

Claim 12:
13. A method of making an aluminum alloy product, comprising:
casting an aluminum alloy according to claim 1 to produce to a cast aluminum alloy;
heating the cast aluminum alloy to a temperature of 510° C. to 590° C.;
maintaining the cast aluminum alloy at the temperature of 510° C. to 590° C. for 0.5 hours to 4 hours;
decreasing the temperature of the cast aluminum alloy to 420° C. to 480° C.;
hot rolling the cast aluminum alloy to produce the aluminum alloy product, the aluminum alloy product having a thickness up to 18 mm at a hot roll exit temperature of 330° C. to 390° C.;
heat treating the aluminum alloy product at a temperature of 510° C. to 540° C. for 0.5 hours to 1 hour; and
quenching the aluminum alloy product to ambient temperature.