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SAE AMS4280 Revision J, June 1, 2008
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Aluminum Alloy Castings, Permanent Mold 5.0Si - 1.2Cu - 0.5Mg (355.0-T71) Solution Heat Treated and Overaged
Includes all amendments and changes through Reaffirmation Notice , May 2014
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AIA/NAS Aerospace Standards

This specification covers an aluminum alloy in the form of permanent mold castings.


These castings have been used typically for components requiring moderate strength and dimensional stability up to 300 °F (149 °C), but usage is not limited to such applications.