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AMS4331A - Aluminum Alloy Extrusions 7.8Zn - 2.6Mg - 2.0Cuu - 0.10Zr (7068-T6511) Solution Heat Treated, Stress Relieved, and Precipitation Heat Treated

Details
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Document Number: AMS4331A
Project Initiation: 10-02-2013
Project Number:
Revision Number: A
Sponsor Name: Jason N. Scheuring
Title
Aluminum Alloy Extrusions 7.8Zn - 2.6Mg - 2.0Cuu - 0.10Zr (7068-T6511) Solution Heat Treated, Stress Relieved, and Precipitation Heat Treated
Scope
This specification covers an aluminum alloy in the form of extruded bars, rods, shapes (profiles), and tubing.<p>These extrusions have been used typically for structural parts requiring a combination of high tensile strength and moderate fatigue strength, but usage is not limited to such applications.<p>Certain design and processing procedures may cause these products to become susceptible to stress-corrosion cracking; SAE ARP 823 recommends practices to minimize such conditions.
Rationale
5 year review
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