ASTM_B_66_-_15.pdf

Designation:B6615Standard Specification forBronze Castings for Steam Locomotive Wearing Parts1This standard is issued under the fixed designation B66;the number immediately following the designation indicates the year of originaladoption or,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.This standard has been approved for use by agencies of the U.S.Department of Defense.1.Scope*1.1 This specification establishes requirements for bronzecastings for steam locomotive wearing parts.The followingCopper Alloy UNS Nos.are specified:C93200,C93400,C93600,C93700,C93800,C94300,C94400,C94500,andC95400.2NOTE1Historically,the alloys in this specification have been used inthe applications listed in the Appendix.Actual practice may vary accord-ing to locomotive type and service.1.2 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:3The following documents in the current issue of the Book ofStandards form a part of this specification to the extentreferenced herein:B824 Specification for General Requirements for CopperAlloy CastingsB846 Terminology for Copper and Copper AlloysE255 Practice for Sampling Copper and Copper Alloys forthe Determination of Chemical CompositionE527 Practice for Numbering Metals and Alloys in theUnified Numbering System(UNS)2.2 AAR Standards:4M-503 Bronze Bearings for Locomotives3.Terminology3.1 For definitions of terms related to copper alloys,refer toTerminology B846.4.General Requirements4.1 The following sections of Specification B824 form apart of this specification.In the event of a conflict between thisspecification and Specification B824,the requirements of thisspecification shall take precedence.4.1.1 Terminology(Section 3),4.1.2 Other Requirements(Section 7),4.1.3 Dimensions,Mass,and Permissible Variations(Sec-tion 8),4.1.4 Workmanship,Finish,and Appearance(Section 9),4.1.5 Sampling(Section 10),4.1.6 Number of Tests and Retests(Section 11),4.1.7 Specimen Preparation(Section 12),4.1.8 Test Methods(Section 13),4.1.9 Significance of Numerical Limits(Section 14),4.1.10 Inspection(Section 15),4.1.11 Rejection and Rehearing(Section 16),4.1.12 Certification(Section 17),4.1.13 Test Report(Section 18),and4.1.14 Packaging and Package Marking(Section 20).5.Ordering Information5.1 Orders for castings under this specification shouldinclude the following information in orders for product:5.1.1 ASTM designation and year of issue(for example,B6606),5.1.2 Number of castings or total weight,for each size andform,5.1.3 Copper Alloy UNS Number(Table 1),5.1.4 Pattern or drawing number and condition(as cast,machined,and so forth).5.2 The following are optional and should be specified inthe purchase order when required:5.2.1 Pressure test or soundness requirements(SpecificationB824),5.2.2 Certification(Specification B824),5.2.3 Foundry test report(Specification B824),5.2.4 Witness inspection(Specification B824),and1This specification is under the jurisdiction ofASTM Committee B05 on Copperand Copper Alloys and is the direct responsibility of Subcommittee B05.05 onCastings and Ingots for Remelting.Current edition approved Oct.1,2015.Published October 2015.Originallyapproved in 1936.Last previous edition approved in 2013 as B66 06(2013)1.DOI:10.1520/B0066-15.2The UNS system for copper and copper alloys(see Practice E527)is a simpleexpansion of the former standard designation system accomplished by the additionof a prefix“C”and a suffix“00”.The suffix can be used to accommodatecomposition variations of the base alloy.3For 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.4Available from Association of American Railroads(AAR),425 Third St.,SW,Washington,DC 20024,http:/www.aar.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 5.2.5 Product marking(Section 10).6.Materials and Manufacture6.1 Materials:6.1.1 The material of manufacture shall be a casting ofCopper Alloy UNS Nos.C93200,C93400,C93600,C93700,C93800,C94300,C94400,C94500,or C95400 of such purityand soundness as to be suitable for processing into the productsprescribed herein.6.1.2 In the event heat identification or traceability isrequired,the purchaser shall specify the details desired.6.2 ManufactureThe product shall be manufactured bysuch casting methods to produce a uniform finished product.7.Chemical Composition7.1 The castings shall conf