ANSI H 35.2-2009ANSI H 35.2M-2009ASTM B 646-2006ASTM B 646-2012ASTM B 660-2008ASTM B 666/B 666M-2008ASTM E 338-2003ASTM E 561-2010SAE AMS 2355SAE AMS 2772-1997
This specification covers an aluminum alloy in the form of sheet. This sheet has been used typically for structural applications requiring a combination of high strength, moderate fatigue strength, and high fracture toughness, but usage is not limited to such applications.