Historical
SAE AMS 5630K-2012 (SAE AMS5630K-2012)
Steel, Corrosion-Resistant, Bars, Wire, and Forgings, 17Cr 0.52Mo (0.95-1.20C) (SAE 440C)
This specification covers a corrosion-resistant steel in the form of bars, wire, forgings, and forging stock. These products have been used typically for parts requiring hardness up to 58 HRC and resistance to wear, corrosion, and oxidation, but usage is not limited to such applications.
Society of Automotive Engineers [sae]