This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standartis.Guides and Remendations issued by the World Trade Organization Technical Barriers to Trade (TBT)Committee. Designation:F1091-20 INTERNATIONAL Standard Specification for Wrought Cobalt-20Chromium-15Tungsten-10Nickel Alloy Surgical Fixation Wire (UNS R30605) This standard is issued under the fixed designation F1091;the number immediately following the designation indicates the year of original adoption or in the case of revision the year of last revision.A number in parentheses indicates the year of last reapproval.A superseript epsilon (e)indicates an editorial change since the last revision or reapproval. 1.Scope* Determine Conformance with Specifications 1.1 This specification covers the chemical mechanical and F86 Practice for Surface Preparation and Marking of Metal- metallurgical requirements for the manufacture of wrought lic Surgical Implants cobalt-20chromium-15tungsten-10nickel surgical fixation F90 Specification for Wrought Cobalt-20Chromium- wire. 15Tungsten-10Nickel Alloy for Surgical Implant Applica- tions (UNS R30605) 1.2 Units-The values stated in either SI units or inch- IEEE/ASTM SI 10 American National Standard for Use of pound units are to be regarded separately as standard.The the International System of Units (SD):The Modern Metric values stated in ...