Aluminum Alloy, 7178-T76, Alclad Plate and Sheet, Improved Exfoliation Resistant(NONCURRENT Mar 2007)

Standard:
Reaffirmed:
  • 2012-04-04
 
Publisher:
  • SAE International
Pages:
10
Scope:

This specification covers the specific requirements for improved exfoliation resistant alclad aluminum alloy 7178-T76 sheet and -T7651plate. The general requirements are covered in AMS-QQ-A-250. The plate and sheet covered by this specification shall be an integral composite product consisting of a heat-treatable aluminum alloy (7178) core with thin layers of an aluminum alloy (7072) anodix to the core and of approximately equal thickness, bonded to both surfaces.

Rationale:

AMS-QQ-A-250/22B has been designated Noncurrent because alloy 7178 is not recommended for new designs. AMS-QQ-A-250/22B has been reaffirmed to comply with the SAE five-year review policy.

History:
Standard Published Revision Status
AMSQQA250/22C 2014-02-14 Latest Revised
2012-04-04 Historical Reaffirmed
1998-09-01 Historical Revised
1997-08-01 Historical Issued
AKA:
  • SAE AMSQQA 250/22
Sector:
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