ASTM F620-20 Alpha Plus Beta条件下手术植入物钛合金锻件标准规范.pdf

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standardis.Guides and Remendations issued by the World Trade Organization Technical Barriers to Trade (TBT)Committee. Designation:F620-20 INTERNATIONAL Standard Specification for Titanium Alloy Forgings for Surgical Implants in the Alpha Plus Beta Condition This standard is issued under the fixed designation F620;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 superscript epsilon (e)indicates an editorial change since the last revision or reapproval. 1.Scope* E18 Test Methods for Rockwell Hardness of Metallic Ma- 1.1 This specification covers the requirements for titanium terials alloy forgings for surgical implants in the alpha plus beta E29 Practice for Using Significant Digits in Test Data to condition when the material forged conforms to Specifications Determine Conformance with Specifications F136(UNSR56401).F1295(UNSR56700) F1472(UNS E92 Test Methods for Vickers Hardness and Knoop Hard- R56400) oFF2066(UNSR58150). ness of Metallic Materials 1.2 The SI units in this standard are the primary units.The E165 Practice for Liquid Penetrant Testing for General values stated in either primary SI units or secondary inch- Indust...