1、Designation:F68814Standard Specification forWrought Cobalt-35Nickel-20Chromium-10Molybdenum AlloyPlate,Sheet,and Foil for Surgical Implants(UNS R30035)1This standard is issued under the fixed designation F688;the number immediately following the designation indicates the year of originaladoption or,
2、in the case of revision,the year of last revision.Anumber in parentheses indicates the year of last reapproval.Asuperscriptepsilon()indicates an editorial change since the last revision or reapproval.1.Scope*1.1 This specification covers the chemical,mechanical,andmetallurgical requirements for wrou
3、ght cobalt-35nickel-20chromium-10molybdenum alloy(UNS R30035)in the formof plate,sheet,and foil to be used in the manufacture ofsurgical implants.1.2 The values stated in either SI units or inch-pound unitsare to be regarded separately as standard.The values stated ineach system may not be exact equ
4、ivalents;therefore,eachsystem shall be used independently of the other.Combiningvalues from the two systems may result in non-conformancewith this standard.2.Referenced Documents2.1 ASTM Standards:2E8/E8M Test Methods for Tension Testing of Metallic Ma-terialsE10 Test Method for Brinell Hardness of
5、Metallic MaterialsE18 Test Methods for Rockwell Hardness of Metallic Ma-terialsE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE112 Test Methods for Determining Average Grain SizeE140 Hardness Conversion Tables for Metals RelationshipAmong Brinell Ha
6、rdness,Vickers Hardness,RockwellHardness,Superficial Hardness,Knoop Hardness,Sclero-scope Hardness,and Leeb HardnessE345 Test Methods of Tension Testing of Metallic FoilE384 Test Method for Knoop and Vickers Hardness ofMaterialsF562 SpecificationforWrought35Cobalt-35Nickel-20Chromium-10Molybdenum Al
7、loy for Surgical ImplantApplications(UNS R30035)F981 Practice for Assessment of Compatibility of Biomate-rials for Surgical Implants with Respect to Effect ofMaterials on Muscle and BoneIEEE/ASTM SI 10 American National Standard for Use ofthe International System of Units(SI):The Modern MetricSystem
8、2.2 ISO Standards:ISO 9001 Quality Management SystemsRequirements33.Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 capabilitythe ability of cold-worked material toattain specific mechanical properties after thermal aging treat-ment.3.1.2 foilmaterial under 0.13 mm 0.005 in.in th
9、ickness.3.1.3 lotthe total number of mill products produced fromthe same melt heat under the same conditions at essentially thesame time.3.1.4 plateas used in this specification,material 4.75 mm0.1875 in.and over in thickness.3.1.5 sheetas used in this specification,material 0.13 mm0.005 in.to under
10、 4.75 mm 0.1875 in.in thickness.4.Ordering Information4.1 Inquiries and orders for material under this specificationshall include the following information:4.1.1 Quantity(weight or number of pieces);4.1.2 ASTM Designation,alloy number,and date of issue;4.1.3 Units to be used for certificationSI or i
11、nch-pound;4.1.4 Form(plate,sheet,foil);4.1.5 Condition(see 5.1);4.1.6 Mechanical properties(if applicable for special con-ditions);4.1.7 Finish(see 5.2 and 5.3);4.1.8 Edge(see 5.4 and 5.5);4.1.9 Applicable dimensions,including size,thickness,width,and length(exact,random,or multiples)or printnumber;
12、1This specification is under the jurisdiction of ASTM Committee F04 onMedical and Surgical Materials and Devicesand is the direct responsibility ofSubcommittee F04.12 on Metallurgical Materials.Current edition approved Oct.1,2014.Published November 2014.Originallyapproved in 1980.Last previous editi
13、on approved in 2010 as F688 10.DOI:10.1520/F0688-14.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3Available fro
14、m American National Standards Institute(ANSI),25 W.43rd St.,4th Floor,New York,NY 10036,http:/www.ansi.org.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 4.1.10 Special tes
15、ts(if any);and4.1.11 Other requirements.5.Manufacture5.1 ConditionPlate,sheet,and foil shall be furnished asspecified in the annealed,cold-worked,or cold-worked andcapability-aged condition.5.2 Finishes for Plate:5.2.1 Types of finish available for plate are ground finishproduced by surface grinding
16、 or continuous belt sanding anddull finish produced by chemical descaling.5.3 Finishes for Sheet and Foil:5.3.1 Types of finish available for sheet and foil are dullcold rolled,bright cold rolled,intermediate polished,general-purpose polished,dull satin-finished,high luster finish,mirrorfinish,or as specified in the purchase order.5.4 Edges for Plate:5.4.1 Rolled edge or approximate square edge produced byabrasive sawing.5.5 Edges for Sheet and Foil:5.5.1 For sizes greater than 1.5 mm 0.060 in.i