QQ-A-250-22 Revision A:1974
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Aluminum Alloy, 7178-T76, Plate and Sheet, Alclad (Improved Exfoliation Resistant)(See Notice 2 for Replacement Information)
27-06-1974
07-04-1998
Outlines specific prerequisites for improved exfoliation resistant alclad aluminum alloy 7178-T76 sheet and -T7651 plate, general requirements are found in QQ-A-250.
| DevelopmentNote |
A NOTICE 1 - Notice of Cancellation/Superseded by ASTM B 209 and SAE AMS QQ A 250/22. A NOTICE 2 - Notice of Cancellation/Superseded by ASTM B 209 and SAE AMS QQ A 250/22. (06/2005)
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| DocumentType |
Standard
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| Pages |
13
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| PublisherName |
US Military Specs/Standards/Handbooks
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| Status |
Superseded
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| SupersededBy |
This specification covers the specific requirements for improved exfoliation resistant alclad aluminum alloy 7178-T76 sheet and -T7651 plate. The general requirements are covered in 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) anodic to the core and of approximately equal thickness, bonded to both surfaces.
| MIL I 8950 : B | INSPECTION, ULTRASONIC, WROUGHT METALS, PROCESS FOR |
| FED-STD-184 Revision B:1977 | Identification Marking of Aluminum, Magnesium, and Titanium (S/S by SAE-AMS2808, SAE-AMS2809, and ASTM-B666/B666M) |
| ANSI H35.1 : 2006 | ALLOY AND TEMPER DESIGNATION SYSTEMS FOR ALUMINUM |
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