Material: ASTM F 90 R30605 Description: Standard Specification for Cobalt-20 Chromium-15 Tungsten-10 Cobalt Alloy for Surgical Implant Applications Group Name: Non-Ferrous Cobalt Alloys Sub Group: ASTM F 90 R30605 Cobalt-20 Chromium-15 Tungsten-10 Cobalt Alloy for Surgical Implant Applications Application: Intended for Valve, Pump, General Engineering, Automotive, Medical and other Industries Standard: AS-AUSTRALIA