ASTM_B_98_-_B_98M_-_13.pdf

Designation:B98/B98M13Standard Specification forCopper-Silicon Alloy Rod,Bar and Shapes1This standard is issued under the fixed designation B98/B98M;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 Department of Defense.1.Scope*1.1 This specification establishes requirements for copper-silicon rod,bar,and shapes for UNS Copper Alloys C65100,C65500,and C66100.NOTE1Material for hot forging is covered by Specification B124/B124M.NOTE2For ASME Boiler and Pressure Vessel Code applications,seeSpecification SB-98 in Section II of that code.1.2 UnitsThe values stated in either SI units or inch-pound units are to be regarded separately as standard.Withinthe text,SI units are shown in brackets.The values stated ineach system may not be exact equivalents;therefore,eachsystem shall be used independently of the other.Combiningvalues from the two systems may result in non-conformancewith the standard.2.Referenced Documents2.1 ASTM Standards:2B124/B124M Specification for Copper and Copper AlloyForging Rod,Bar,and ShapesB249/B249M Specification for General Requirements forWrought Copper and Copper-Alloy Rod,Bar,Shapes andForgingsB950 Guide for Editorial Procedures and Form of ProductSpecifications for Copper and Copper AlloysB601 Classification for Temper Designations for Copper andCopper AlloysWrought and CastE8/E8M Test Methods for Tension Testing of Metallic Ma-terialsE18 Test Methods for Rockwell Hardness of Metallic Ma-terialsE62 Test Methods for Chemical Analysis of Copper andCopperAlloys(Photometric Methods)(Withdrawn 2010)3E478 Test Methods for Chemical Analysis of Copper Alloys3.General Requirements3.1 The following sections of Specification B249/B249Mconstitute a part of this specification:3.1.1 Terminology,3.1.2 Materials and Manufacture,3.1.3 Workmanship,Finish,and Appearance,3.1.4 Sampling,3.1.5 Number of Tests and Retests,3.1.6 Specimen Preparation,3.1.7 Test Methods,3.1.8 Significance of Numerical Limits,3.1.9 Inspection,3.1.10 Rejection and Rehearing,3.1.11 Certification,3.1.12 Test Reports,3.1.13 Packaging and Package Marking,and3.1.14 Supplementary Requirements.3.2 In addition,when a section with a title identical to oneof those referenced in 3.1 appears in this specification,itcontains additional requirements that supplement those whichappear in Specification B249/B249M.4.Ordering Information4.1 Include the following specified choices when placingorders for product under this specification,as applicable:4.1.1 ASTM Designation and year of issue,4.1.2 Copper Alloy UNS No.designation,4.1.3 Temper designation(see Temper Section 7),4.1.4 Quantity;total weight or length,or number of piecesof each temper,form,or alloy,4.1.5 Dimensions;diameter or distance between parallelsurfaces,4.1.6 Type of edge;edge contours,4.1.7 How furnished;specific lengths with or without ends,and4.1.8 Intended application.1This specification is under the jurisdiction ofASTM Committee B05 on Copperand Copper Alloys and is the direct responsibility of Subcommittee B05.02 on Rod,Bar,Wire,Shapes and Forgings.Current edition approved Oct.1,2013.Published November 2013.Originallyapproved in 1934.Last previous edition approved in 2008 as B98/B98M 08.DOI:10.1520/B0098_B0098M-13.2For 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.*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 4.2 The following options are available but may not beincluded unless specified at the time of placing of the orderwhen required:4.2.1 Certification(Specification B249/B249M),and4.2.2 Mill Test Report(Specification B249/B249M).4.2.3 Tensile test required for alloys in Table 4 or Table 5(see 8.1.1.1),4.2.4 If product is purchased for agencies of the U.S.Government(see Supplementary Requirements in B249/B249M).5.Material and Manufacture5.1 MaterialsThe starting material shall be cast billets orrods of Copper Alloy UNS Nos.C65100,C65500,or C66100,and shall be of such soundness and structure as to enable themto be processed into the product specified in the contract orpurchase order.5.2 ManufactureThe product shall be manufactured bysuch hot-working,cold-working,straightening,and annealingprocessing as to produce a uniform wrought structure andobtain the required finish properties.6.Chemical Composition6.1 The material shall conform to the chemical requirementsspecified in Table 1 for the Cop