ASTM F75-2018 Standard Specification for Cobalt-28 Chromium-6 Molybdenum Alloy Castings and Casting Alloy for Surgical Implants (UNS R30075).pdf
《ASTM F75-2018 Standard Specification for Cobalt-28 Chromium-6 Molybdenum Alloy Castings and Casting Alloy for Surgical Implants (UNS R30075).pdf》由会员分享,可在线阅读,更多相关《ASTM F75-2018 Standard Specification for Cobalt-28 Chromium-6 Molybdenum Alloy Castings and Casting Alloy for Surgical Implants (UNS R30075).pdf(6页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: F75 12F75 18Standard Specification forCobalt-28 Chromium-6 Molybdenum Alloy Castings andCasting Alloy for Surgical Implants (UNS R30075)1This standard is issued under the fixed designation F75; the number immediately following the designation indicates the year of originaladoption or, i
2、n 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, and metallurgical requirements fo
3、r cobalt-28 chromium-6 molybdenumalloy unfinished investment product castings for surgical implant applications and casting alloy in the form of shot, bar, or ingotsto be used in the manufacture of surgical implants. This specification does not apply to completed surgical implants made fromcastings.
4、1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in eachsystem may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from thetwo systems may result in non-conformance wi
5、th the standard.1.3 This international standard was developed in accordance with internationally recognized principles on standardizationestablished in the Decision on Principles for the Development of International Standards, Guides and Recommendations issuedby the World Trade Organization Technica
6、l Barriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:2A957 Specification for Investment Castings, Steel and Alloy, Common Requirements, for General Industrial UseE3 Guide for Preparation of Metallographic SpecimensE8/E8M Test Methods for Tension Testing of Metallic Materials
7、E18 Test Methods for Rockwell Hardness of Metallic MaterialsE29 Practice for Using Significant Digits in Test Data to Determine Conformance with SpecificationsE165 Practice for Liquid Penetrant Examination for General IndustryE354 Test Methods for Chemical Analysis of High-Temperature, Electrical, M
8、agnetic, and Other Similar Iron, Nickel, andCobalt AlloysE407 Practice for Microetching Metals and AlloysE601F601 Guide for Measuring Electromotive Force (emf) Stability of Base-Metal Thermoelement Materials with Time inAirPractice for Fluorescent Penetrant Inspection of Metallic Surgical ImplantsF6
9、29 Practice for Radiography of Cast Metallic Surgical ImplantsF981 Practice for Assessment of Compatibility of Biomaterials for Surgical Implants with Respect to Effect of Materials onMuscle and Insertion into BoneIEEE/ASTM SI 10 American National Standard for Metric Practice2.2 Aerospace Material S
10、pecification:3AMS 2248 Chemical Check Analysis Limits: Corrosion and Heat Resistant Steels and Alloys, Maraging and OtherHighly-Alloyed Steels, and Iron AlloysAMS 2269 Chemical Check Analysis Limits: Nickel, Nickel Alloys and Cobalt Alloys2.3 ISO Standards:4ISO 5832-4 Implants for SurgeryMetallic Ma
11、terialsPart 4: Cobalt-Chromium-Molybdenum Casting AlloyISO 6892 Metallic MaterialsTensile Testing at Ambient Temperature1 This specification is under the jurisdiction ofASTM Committee F04 on Medical and Surgical Materials and Devices and and is the direct responsibility of SubcommitteeF04.12 on Meta
12、llurgical Materials.Current edition approved May 15, 2012Nov. 15, 2018. Published June 2012January 2019. Originally approved in 1967. Last previous edition approved in 20072012 asF75 075.F75 12. DOI: 10.1520/F0075-12.10.1520/F0075-18.2 For referencedASTM standards, visit theASTM website, www.astm.or
13、g, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.3 Available from Society of Automotive Engineers (SAE), 400 Commonwealth Dr., Warrendale, PA 15096-0001, http:/www.sae.org.4 Av
14、ailable from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http:/www.ansi.org.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Becaus
15、eit may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.*A Summary of Changes section appears
16、 at the end of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1ISO 9001 Quality Management SystemsRequirements3. Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 investment casting, na metal casting tha
17、t is produced in a mold obtained by investing (surrounding) an expendablepattern with a ceramic slurry that is allowed to solidify. The expendable pattern may consist of wax, plastic, or other material andis removed prior to filling the mold with liquid metal.3.1.2 master heat, na quantity of metal
18、processed in a single furnace or refining vessel at one time in such a manner as toproduce the desired composition and properties.3.1.3 sub-heat, na portion of a master heat remelted without additional processing for pouring into castings. Synonyms: melt,production heat.NOTE 1Terminology section in
19、accordance with Specification A957.4. Ordering Information4.1 Include with inquiries and orders for material under this specification the following information:4.1.1 Quantity (number of product castings or weight of casting alloy),4.1.2 ASTM designation and date of issue,4.1.3 Units to be certifiedS
20、I or inch-pound.4.1.4 Form (product casting, shot, bar, ingot),4.1.5 Applicable dimensions or drawing number,4.1.6 Condition (as-cast, hot isostatically pressed (HIP), solution annealed, and so forth),4.1.7 Special tests, if any, and4.1.8 Other requirements.5. Materials and Manufacturing Requirement
21、s for Product Castings5.1 Final thermal processing for castings, if any, shall be specified by mutual agreement between the supplier and purchaser.5.2 Castings shall be free of visible investment shell material and scale when examined without magnification.5.3 Welding may be used to repair castings
22、as agreed upon between supplier and purchaser.5.3.1 Weld repair shall be performed in accordance with written procedures by individuals certified to perform those procedures.5.3.2 Weld filler metal conforming to the chemistry of Table 1 shall be used when it is needed.5.3.3 Weld repair, if any, shal
23、l be performed before final thermal processing.NOTE 2Under certain circumstances, a weld repair may act as a stress riser. Therefore, care should be exercised in the location and extent of weldrepair as it relates to regions of the implant where significant stresses might occur.6. Chemical Requireme
24、nts6.1 Both product castings and casting alloy shall conform to the chemical requirements prescribed in Table 1. The supplier shallnot ship material that is outside the limits specified in Table 1.TABLE 1 Chemical CompositionElement Composition, % (Mass/Mass)min maxChromium 27.00 30.00Molybdenum 5.0
- 1.请仔细阅读文档,确保文档完整性,对于不预览、不比对内容而直接下载带来的问题本站不予受理。
- 2.下载的文档,不会出现我们的网址水印。
- 3、该文档所得收入(下载+内容+预览)归上传者、原创作者;如果您是本文档原作者,请点此认领!既往收益都归您。
下载文档到电脑,查找使用更方便
10000 积分 0人已下载
下载 | 加入VIP,交流精品资源 |
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- ASTMF752018STANDARDSPECIFICATIONFORCOBALT28CHROMIUM6MOLYBDENUMALLOYCASTINGSANDCASTINGALLOYFORSURGICALIMPLANTSUNSR30075PDF
链接地址:http://www.mydoc123.com/p-1244026.html