The Aluminum Association

The Aluminum Association is a trade association for the aluminum production, fabrication and recycling industries, and their suppliers. The Association is a 501(c)(6) non-profit organization based in Arlington, Virginia, United States. (The Association was based in Washington, D.C. until .)

Pursuant to seven ANSI H35 standards, The Aluminum Association registers and publishes specifications describing the composition, mechanical properties and nomenclature of aluminum alloys in the United States. These alloys are identified by the abbreviation "AA", for example AA 6061-T6. Provided by Wikipedia