SAE 2297 Aluminium Alloys
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SAE 2297 Chemical Composition
SAE AMS 4330E: 2022 / Aluminum Alloy, Plate (2297-T87) 2.8Cu - 1.5Li - 0.30Mn - 0.12Zr Solution Heat Treated, Stretched, and Artificially Aged
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SAE 2297 Physical Properties
Temperature
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SAE 2297 Heat Treatments
- Solution heat treated at 527 to 538°C (980 to 1000°F) and rapidly cooled in a suitable quenching medium; stretched to produce a permanent set of at least 2.75% but not more than 6.75%; artificially aged to T87 temper at 160°C (320°F) for 20 to 48 hours. Aging time shall be dependent upon section thickness composition, and prior processing.
- Annealing: Soak for 2 to 3 hours at 404°C (760°F); cool at rate of 28°C (50°F) per hour or slower to 260°C (500°F ); further cooling rate optional.
Solution heat treating temperature (for plate): 527-538°C (980-1000°F) , followed by an air cool and quenched.
SAE 2297 Mechanical Properties
Temperature
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SAE 2297 International Equivalent Materials
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