Historical
SAE AMS 6472F-2014 (SAE AMS6472F-2014)
Steel, Bars and Forgings, Nitriding 1.6Cr - 0.35Mo - 1.1Al (0.38 - 0.43C) (135 Mod) Hardened and Tempered, 112 ksi (772 MPa) Tensile Strength
This specification covers an aircraft quality, low alloy steel in the form of heat treated bars and forgings, and of forging stock.
Society of Automotive Engineers [sae]