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SAE AMS4066 Revision C, October 1, 2003
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Aluminum Alloy, Drawn, Round Seamless Tubing 6.3Cu - 0.30Mn - 0.18Zr - 0.10V - 0.06Ti - (2219-T8511) Solution Heat Treated, Stress Relieved by Stretching and Precipitation Heat Treated
Includes all amendments and changes through Reaffirmation Notice , December 2013
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AIA/NAS Aerospace Standards

This specification covers an aluminum alloy in the form of drawn, round seamless tubing 0.500 inch (12.70 mm) and over in OD with wall thickness of 0.029 to 0.500 inch (0.74 to 12.70 mm).


This tubing has been used typically for structures requiring good fusion weldability and a combination of good strength and resistance to stress-corrosion cracking, but usage is not limited to such applications.