MULTIPURPOSE HEAT TREATABLE ALUMINUM ALLOYS AND RELATED PROCESSES AND USES
This application discloses an aluminum alloy, processes for preparing the aluminum alloy, processes for fabricating metal parts, such as automotive panels, comprising the aluminum alloy, and the automotive parts fabricated from the aluminum alloy.
1 . An aluminum alloy comprising ≧1.5% Mg by weight produced by a process comprising heat treatment.
2 . The aluminum alloy of claim 1 , wherein the process comprises T4 temper.
3 . The aluminum alloy of claim 1 , wherein the aluminum alloy further comprises 0.2 to 0.4% Si by weight.
4 . The aluminum alloy of claim 1 , wherein the aluminum alloy exhibits age hardening.
5 . The aluminum alloy of claim 1 , wherein the aluminum alloy is a sheet aluminum alloy.
6 . A stamped sheet form fabricated from the sheet aluminum alloy of claim 5 .
7 . The stamped sheet form of claim 6 , wherein the stamped sheet form is an automotive panel.
8 . A process for fabricating a sheet aluminum alloy comprising ≧1.5% Mg and 0.2 to 0.4% Si by weight, comprising heat treatment.
9 . The process of claim 8 , wherein the process comprises T4 temper.
10 . The process of claim 8 , wherein the sheet aluminum alloy exhibits age hardening.
11 . A process for fabricating a stamped sheet form comprising stamping the sheet aluminum alloy of claim 5 .
12 . The process of claim 11 , wherein the stamped sheet form is an automotive panel.