Recognized standard

F688-25

FDA recognition 8-636 · ASTM · Materials

Key facts

Recognition number 8-636
Designation F688-25
Title Standard Specification for Wrought Cobalt-35Nickel-20Chromium-10Molybdenum Alloy Plate, Sheet, and Foil for Surgical Implants (UNS R30035)
Standards developer ASTM International
Specialty area Materials
Date of entry Dec 22, 2025
Scope (excerpt) This specification covers the chemical, mechanical, and metallurgical requirements for wrought cobalt-35nickel-20chromium-10molybdenum alloy (UNS R30035) in the form of plate, sheet, and foil to be used in the manufacture of surgical implants.

At a glance

  • None Product codes
  • 1–9 FDA guidance documents

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