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ASTM F75 UNS R30075 Cobalt-28 Chromium-6 Molybdenum Alloy for Surgical Implants
ASTM F75-2012 Standard Specification for Cobalt-28 Chromium-6 Molybdenum Alloy Castings and Casting Alloy for Surgical Implants (UNS R30075)
This specification covers the requirements for cobalt-28 chromium-6 molybdenum alloy unfinished investment product castings for surgical implant applications and casting alloy in the form of shot, bar, or ingots to be used in the manufacture of surgical implants. This specification does not apply to completed surgical implants made from castings.
Chemical composition
| Element | Cr | Mo | Ni | Fe | C | Si | Mn | W | P | S | N | Al | Ti | B | Co |
| Weight(%) | 27.0~30.0 | 5.0~7.0 | 0.50 max | 0.75 max | 0.35 max | 1.0 max | 1.0 max | 0.20 max | 0.020 max | 0.01 max | 0.25 max | 0.10 max | 0.10 max | 0.010 max | Rem |
As-Cast Mechanical Requirements
