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SAE AMS4291 Revision H, October 1, 2010
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Aluminum Alloy, Die Castings 8.5Si - 3.5Cu (A380.0-F) As Cast
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AIA/NAS Aerospace Standards

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


These castings have been used typically for components of intricate shape, but not having thin sections, but usage is not limited to such applications. This alloy has good casting characteristics by cold-chamber die casting and fair resistance to corrosion.