Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
May 8, 2007
Patent Application Number
11083517
Date Filed
March 18, 2005
Patent Primary Examiner
Patent 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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