Aluminum-zinc-magnesium-copper alloy extrusion

Details Aluminum-zinc-magnesium-copper alloy extrusion Aluminum-zinc-magnesium-copper alloy extrusion

2007-05-08

2007-05-08

King, Roy (Department: 1742)

Metal treatment

Process of modifying or maintaining internal physical...

With casting or solidifying from melt

C148S690000, C148S701000

Reexamination Certificate

active

11083517

ABSTRACT:
An aluminum alloy extrusion product having improved strength and fracture toughness, the aluminum base alloy comprised of 1.95 to 2.5 wt. % Cu, 1.9 to 2.5 wt. % Mg, 8.2 to 10 wt. % Zn, 0.05 to 0.25 wt. % Zr, max. 0.15 wt. % Si, max. 0.15 wt. % Fe, max. 0.1 wt. % Mn, the remainder aluminum and incidental elements and impurities.

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