SAE AMS4257A PDF
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Aluminum Alloy, Extrusion, 3.7Cu – 1.15Li – 0.5Zn – 0.45Ag – 0.4Mg – 0.3Mn – 0.1Zr (2055-T84), Solution Heat Treated, Stress Relieved by Stretching 2% to 5% and Aged
Description
This specification covers an aluminum alloy in the form of extruded bars, rods, and profiles.
History
| AMS4257A | 2025-01-22 | Latest | Revised |
| AMS4257 | 2019-11-12 | Historical | Reaffirmed |
| ISSUING COMMITTEE | AMS D Nonferrous Alloys Committee |
|---|---|
| DATE | 2025-01-22 |
| DOI | |
| ISCURRENT | Current |
| PAGE | 8 |
| PUBLISHER | SAE International |
| REVISED | REVISED |
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