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U.S. Department of Health and Human Services

Recognized Consensus Standards: Medical Devices
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Part B: Supplementary Information Sheet (SIS)
FR Recognition List Number 065 Date of Entry 12/22/2025 
FR Recognition Number 8-630
Standard
ASTM  F90-24
Standard Specification for Wrought Cobalt-20 Chromium-15 Tungsten-10 Nickel Alloy for Surgical Implant Applications (UNS R30605)
Scope/Abstract
This specification covers the chemical, mechanical, and metallurgical requirements for wrought cobalt-20chromium-15tungsten-10nickel alloy bars, rods, wires, sheets, and strips (except surgical fixation wires) for use in surgical implants. All alloys shall be furnished to the purchaser's specifications, in the annealed or cold-worked condition. Then, bars and wires shall be finished bright annealed, cold drawn, pickled, ground, or ground and polished, as specified by the purchaser. While, sheets shall be furnished bright annealed, pickled, cold-rolled, or polished, as specified by the purchaser. The alloys shall adhere to specified values of ultimate tensile strength, yield strength, elongation, and microcleanliness.
Extent of Recognition
Complete standard
Rationale for Recognition
This standard is relevant to medical devices and is recognized on its scientific and technical merit and/or because it supports existing regulatory policies.
Transition Period
FDA recognition of ASTM F90-14 [Rec# 8-399] will be superseded by recognition of ASTM F90-24 [Rec# 8-630]. FDA will accept declarations of conformity, in support of premarket submissions, to [Rec# 8-399] until December 19, 2027. After this transition period, declarations of conformity to [Rec# 8-399] will not be accepted.
Public Law, CFR Citation(s) and Procode(s)*
Implantable Medical Devices
Relevant FDA Guidance and/or Supportive Publications*
Appropriate Use of Voluntary Consensus Standards in Premarket Submissions for Medical Devices - Guidance for Industry and Food and Drug Administration Staff, issued September 2018.
FDA Technical Contacts
 David M. Saylor
  FDA/OC/CDRH/OSEL/DBCMS/
  301-796-2626
  david.saylor@fda.hhs.gov
 Matthew Di Prima
  FDA/OC/CDRH/OSEL/DAM/
  301-796-2507
  matthew.diprima@fda.hhs.gov
Standards Development Organization
ASTM ASTM International http://www.astm.org/
FDA Specialty Task Group (STG)
Materials
*These are provided as examples and others may be applicable.
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