Hard Anodic Coating Treatment of Aluminum and Aluminum Alloys Processing and Performance Requirements

Standard:
Revised:
  • 1998-11-01
 
  • HISTORICAL Access the latest revision: AMS2469J
Publisher:
  • SAE International
Pages:
8
Scope:

This specification establishes the engineering requirements for producing a hard anodic coating on aluminum and aluminum alloys and the properties of such coating.

This process has been used typically to increase, by the formation of a dense aluminum oxide, surface hardness and resistance to abrasion and corrosion of aluminum and aluminum-alloy parts containing, in general, less than 5% copper or 8% silicon or a total of 8% of both, but usage is not limited to such applications. Alloys with higher alloy content can be coated satisfactorily with proper precautions in processing. Careful consideration should be given when using this process on highly-stressed parts because of the resultant marked lowering of fatigue performance and on parts with sharp corners and edges where chipping may result.

History:
Standard Published Revision Status
AMS2469J 2014-02-06 Latest Revised
2008-07-15 Historical Revised
2004-12-15 Historical Revised
1998-11-01 Historical Revised
1993-10-01 Historical Revised
1991-10-01 Historical Revised
1968-11-01 Historical Revised
1966-03-01 Historical Revised
1964-06-01 Historical Revised
1962-06-01 Historical Issued
AKA:
  • SAE AMS 2469
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