ANSI H35.1/H35.1M-2017

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.