Aluminum Industry Standards | The Aluminum Association

Industry Standards

The Standards That Keep Commerce Moving

For more than 60 years, the Aluminum Association has worked with the industry to develop and maintain technical standards for aluminum production. From designating alloys to answering technical questions to engaging with the academic community, the Association’s Standards & Technology Department creates the backbone of a vital communication system that facilitates the production, sale and use of aluminum.

This section includes information about:


International Registration Records

The following International Registration Records and the Addenda to several Registration Records are available for free by clicking the links below:

  • Teal Sheets (Wrought Aluminum International Alloy Designations & Chemical Composition Limits)
  • Gray Sheets (Aluminum Hardeners International Designations & Chemical Composition Limits)
  • Gold Sheets (Unalloyed Aluminum International Designations & Chemical Composition Limits)
  • Future Purple Sheets (Designations & Chemical Composition Limits for Powders used for Powder Metallurgy and Additive Manufacturing) 


        NOTE:  The addendum for each of the rainbow sheets includes new registrations that were approved after the latest issue(s)


Available Standards Publications

    The following additional Standards material are also available for free below: