ASTM_A_534_-_14.pdf

Designation:A53414Standard Specification forCarburizing Steels for Anti-Friction Bearings1This standard is issued under the fixed designation A534;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S.Department of Defense.1.Scope*1.1 This specification covers the requirements for carburiz-ing bearing-quality steel to be used in the manufacture ofanti-friction bearings.1.2 Supplementary requirements of an optional nature areprovided and when desired shall be so stated in the order.1.3 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.2.Referenced Documents2.1 ASTM Standards:2A29/A29M Specification for General Requirements for SteelBars,Carbon and Alloy,Hot-WroughtA255 Test Methods for Determining Hardenability of SteelA304 Specification for Carbon and Alloy Steel Bars Subjectto End-Quench Hardenability RequirementsA510/A510M Specification for General Requirements forWire Rods and Coarse Round Wire,Carbon Steel,andAlloy SteelA519 Specification for Seamless Carbon and Alloy SteelMechanical TubingA751 Test Methods,Practices,and Terminology for Chemi-cal Analysis of Steel ProductsA752 Specification for General Requirements for Wire Rodsand Coarse Round Wire,Alloy Steel(Withdrawn 2011)3E45 Test Methods for Determining the Inclusion Content ofSteelE112 Test Methods for Determining Average Grain SizeE381 Method of Macroetch Testing Steel Bars,Billets,Blooms,and ForgingsE1019 Test Methods for Determination of Carbon,Sulfur,Nitrogen,and Oxygen in Steel,Iron,Nickel,and CobaltAlloys by Various Combustion and Fusion TechniquesE1077 Test Methods for Estimating the Depth of Decarbur-ization of Steel Specimens2.2 ISO Standard:4ISO 683 Part 17:Ball and Roller Bearing Steels3.Ordering Information3.1 Orders for material under this specification shouldinclude the following information:3.1.1 Quantity,3.1.2 Alloy grade identification,3.1.3 Specification designation and year of issue,3.1.4 Dimensions,shape,and3.1.5 Supplementary requirements.4.Materials and Manufacture4.1 The steel shall be made by a process that is capable ofproviding a high quality product meeting the requirements ofthis specification.5.Chemical Composition and Analysis5.1 Typical examples of chemical compositions are shownin Table 1.Other compositions may be specified.5.2 An analysis of each heat of steel shall be made by thesteel manufacturer in accordance with Test Methods,Practices,and Terminology A751.The chemical composition thus deter-mined shall conform to the requirements specified in Table 1for the ordered grade,or to other requirements agreed uponbetween manufacturer and purchaser.5.3 Product analysis may be made by the purchaser inaccordance with Test Methods,Practices,and TerminologyA751.Permissible variations in product analysis shall be inaccordance with Specification A29/A29M,Practices,and Ter-minology.1This specification is under the jurisdiction of ASTM Committee A01 on Steel,Stainless Steel and Related Alloys and is the direct responsibility of SubcommitteeA01.28 on Bearing Steels.Current edition approved Oct.1,2014.Published November 2014.Originallyapproved in 1965.Last previous edition approved in 2009 as A534 09.DOI:10.1520/A0534-14.2For 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.3The last approved version of this historical standard is referenced onwww.astm.org.4Available from International Organization for Standardization(ISO),1,ch.dela Voie-Creuse,CP 56,CH-1211 Geneva 20,Switzerland,http:/www.iso.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 6.Dimensions,Mass,and Permissible Variations6.1 The size and shape of the material shall be agreed uponbetween manufacturer and purchaser.6.2 Dimensional tolerances shall conform to the require-ments specified in Specifications A29/A29M,A510/A510M,A519,or A752 as appropriate for the material or as agreedbetween manufacturer and purchaser.6.3 The dimensional tolerances for the forgings shall con-form to the requirements of the engineering drawing.7.Quality Assurance7.1 The supplier shall be held responsible for the quality ofthe material furnished and shall make the necessary tests toensure this quality.The supplier shall be required to report onthe results of the micro-inclusion rating tests detailed below.Quality tests shown in 7.2