This specification establishes requirements for steel forgings of any shape or form from which finished parts are to be made (See 8.2, 8.3.4, 8.5, and 8.6).
This specification has been declared NONCURRENT by the Aerospace Materials Division, SAE, as of September 1995. It is recommended, therefore, that this specification not be specified for new designs. Alloy: 51100 UNS Number: G51986