NPFC - QQ-A-250/21
ALUMINUM ALLOY, 7178-T76, PLATE AND SHEET (IMPROVED EXFOLIATION RESISTANT)
inactive
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| Organization: | NPFC |
| Publication Date: | 30 March 1984 |
| Status: | inactive |
| Page Count: | 6 |
scope:
This specificaion covers the specific requirements for improved exfoliation resistant aluminum alloy, 7178-T76 sheet and 7178-T7651 plate.
intended Use:
This alloy is intended for use where high strength is required and where exfoliation and stress-corrosion resistance superior to 7178-T6 is required in high performance military aircraft.
Document History
May 25, 2005
ALUMINUM ALLOY, 7178-T76, PLATE AND SHEET (IMPROVED EXFOLIATION RESISTANT)
A description is not available for this item.
April 7, 1998
ALUMINUM ALLOY, 7178-T76, PLATE AND SHEET (IMPROVED EXFOLIATION RESISTANT)
A description is not available for this item.
April 7, 1998
ALUMINUM ALLOY, 7178-T76, PLATE AND SHEET (IMPROVED EXFOLIATION RESISTANT)
A description is not available for this item.
November 5, 1991
ALUMINUM ALLOY, 7178-T76, PLATE AND SHEET (IMPROVED EXFOLIATION RESISTANT)
NOTICE OF VALIDATION
QQ-A-250/21B, dated 30 March 1984, has been reviewed and determined to be valid for use in acquisition.
QQ-A-250/21
March 30, 1984
ALUMINUM ALLOY, 7178-T76, PLATE AND SHEET (IMPROVED EXFOLIATION RESISTANT)
This alloy is intended for use where high strength is required and where exfoliation and stress-corrosion resistance superior to 7178-T6 is required in high performance military aircraft.
June 17, 1974
ALUMINUM ALLOY, 7178-T76, PLATE AND SHEET (IMPROVED EXFOLIATION RESISTANT)
A description is not available for this item.
September 18, 1972
ALUMINUM ALLOY, 7178-T76, PLATE AND SHEET (IMPROVED EXFOLIATION RESISTANT)
A description is not available for this item.
June 4, 1970
ALUMINUM ALLOY, 7178-T76, PLATE AND SHEET (IMPROVED EXFOLIATION RESISTANT)
A description is not available for this item.
October 6, 1969
ALUMINUM ALLOY, 7178-T76, PLATE AND SHEET (IMPROVED EXFOLIATION RESISTANT)
A description is not available for this item.