2017版美国国家标准铝合金和回火命名系统取代2013版。2017年最新版本包括对基本H和T回火定义的修订、停止分配试验合金名称的实践、对变更要求的修订、对脚注4和5的修订以及第3.2.1节中的澄清。

The 2017 edition of American National Standard Alloy & Temper Designation Systems for Aluminum supersedes the 2013 edition. The latest 2017 edition includes revisions to the definitions of basic H and T tempers, discontinuation of the practice of assigning experimental alloy designations, a revision to the variation requirements, revisions to footnotes 4 and 5 and clarification in section 3.2.1.