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SAE AMS4157 Revision D, May 1, 2007
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Aluminum Alloy Extrusions 7.7Zn - 2.4Mg - 1.6Cu - 0.16Cr (7049-T73511) Solution Heat Treated, Stress Relieved, and Overaged
Includes all amendments and changes through Reaffirmation Notice , September 2012
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AIA/NAS Aerospace Standards

This specification covers an aluminum alloy in the form extruded bars, rods, wire, shapes, and tubing.


These products have been used typically for parts in structural applications requiring a combination of high strength and good stress-corrosion resistance, but usage is not limited to such applications.