SAE Standards Works
AMS D Nonferrous Alloys Committee
AS1990D - Aluminum Alloy Tempers
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Rebecca K. Wyss
Aluminum Alloy Tempers
The purpose of this SAE Aerospace Standard (AS) is to provide a description of the temper nomenclature system for aluminum alloys used in the aerospace industry by combining information from different sources for the benefit of the user.
New editions of ANSI H35.1/H35.1M have been published. AS1990 will be updated to agree with revisions and additions to ANSI H35.1/H35.1M. Table 2 also needs to be updated to include alloy-tempers registered since the last publication of AS1990..