This specification covers the requirements for stainless steel forgings for surgical implants. Materials for forgings shall be bars or wire and shall be forged by hammering, pressing, rolling, extruding, or upsetting. The material shall comply with the manufacturing procedure, chemical composition, mechanical requirements, and test methods indicated in this specification. Mechanical testing includes tension, tensile, elongation, and hardness tests. Special tests shall also be done such as corrosion tests, grain size, and fluorescent penetrant inspection.

1.1 This specification covers the requirements of forged stainless steel for surgical implants when the material forged conforms to Specifications F 138 (UNS S31673), F 1314 (UNS S21910), F 1586 (UNS S31675), F 2229 (UNS S29108), or F 2581 (UNS R56320).

1.2 The values stated in inch-pound units are to be regarded as the standard.