Alloy and Temper Designation Systems for Aluminum
This article describes the systems for designating the aluminum and aluminum alloys that incorporate the product forms (wrought, casting or foundry ingots) and its respective temper for strain-hardened alloys, heat-treatable alloys and annealed alloys. All these systems are covered by American National Standards Institute (ANSI) standard H35.1. Furthermore, the article provides a short note on the designation of unregistered tempers.
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