Aluminum Alloy, Extrusions 6.4Zn - 2.4Mg - 2.2Cu - 0.12Zr (7150-T77511) Solution Heat Treated, Stress-Relieved, Straightened, and Overaged (Composition Similar to UNS A97150)
This specification covers an aluminum alloy in the form of extruded bars, rods, wire, profiles, and tubing 2.000 inches (50.80 mm) and under in nominal diameter or least thickness (wall thickness of tubing) with a maximum cross-sectional area of 20 in2 (129 cm2), and a maximum circle size of 10 inches (254 mm) (see 8.8).
Rationale: AMS4345D results from a Five-Year Review and update of this specification. This standard is being reviewed as part of the SAE Five-Year Review policy. The committee will look at possible changes to ordering information and other potential updates throughout the standard.