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

Standard:
Reaffirmed:
  • 2014-05-19
 
  • CURRENT
Publisher:
  • SAE International
Pages:
5
Scope:

This specification covers an aluminum alloy in the form of extruded bars, rods, shapes (profiles), and tubing.

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.

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:

This document has been reaffirmed to comply with the SAE five-year review policy.

History:
Standard Published Revision Status
AMS4331 2014-05-19 Latest Reaffirmed
AKA:
  • SAE AMS 4331
Sector:
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