This specification covers an aluminum alloy in the form of extruded bars, rods, wire, profiles, and tubing. These extrusions have been used typically for parts requiring moderate strength and where distortion during machining must be minimized, but usage is not limited to such applications.
SAE AMS4173E-2003 history
2019SAE AMS4173G-2019 Aluminum Alloy, Extrusions 1.0Mg - 0.60Si - 0.30Cu - 0.20Cr (6061-T6511 or T6510) Solution Heat Treated, Stress Relieved by Stretching, Straightened, and Precipitation Heat Treated