SAE AMS-S-7720A
This specification has been declared NONCURRENT by the Aerospace Materials Division, SAE, as of October 2007. It is recommended, therefore, that this specification not be specified for new designs.NONCURRENT refers to those specifications which have previously been widely used and which may be required for production or processing of existing designs in the future. The Aerospace materials Division, however, doe snot recommend these specifications for future use in new designs.This specification covers the requirements for compositions of corrosion-resistant (18-8) steel bars, rods, wire and forging stock.