SAE AMS 6487K

This specification covers a premium aircraft-quality, low-alloy steel in the form of bars, forgings, and forging stock.These products have been used typically for parts requiring through-hardening to a minimum hardness of 50 HRC in section thicknesses up to 12 inches (305 mm) with a combination of high strength, fatigue resistance, ductility, and thermal stability for operation between -100 to 1000 mDF (-73 to 538 mDC), but usage is not limited to such applications.

This product replaces:SAE AMS 6487J - Steel, Bars and Forgings 5.0Cr 1.3Mo 0.50V (0.38 0.43C) (H-11) Consumable Electrode Vacuum Melted ( Reaffirmed: Apr 2007 )