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SAE AMS 4535E-2022
Copper-Beryllium Alloy, Mechanical Tubing 98Cu - 1.9Be Solution and Precipitation Heat Treated (TF00, formerly AT)
This specification covers a copper-beryllium alloy in the form of mechanical tubing 2 inches (50.8 mm) and under in wall thickness (see 8.8 ).
Society of Automotive Engineers [sae]