This specification covers the requirements for a wrought cobalt-20nickel-20chromium-3.5molybdenum-3.5tungsten-5 iron alloy in the form of bars, wires, and forgings used for the manufacture of surgical implants.

Formerly under the jurisdiction of Committee F04 on Medical and Surgical Materials and Devices, this specification was withdrawn in March 2005 because it has been determined that the alloy is no longer being used for surgical implant applications.

1.1 This specification covers the requirements for a wrought cobalt-20nickel-20chromium-3.5molybdenum-3.5tungsten-5 iron alloy in the form of bars, wires, and forgings used for the manufacture of surgical implants.

1.2 The values stated in inch-pound units are to be regarded as the standard. The SI units given in parentheses are for information only.