ASTM_B_99_-_B_99M_-_15.pdf

Designation:B99/B99M15Standard Specification forCopper-Silicon Alloy Wire for General Applications1This standard is issued under the fixed designation B99/B99M;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 establishes the requirements forround,rectangular,and square wire for general applicationsother than for electrical transmission cable.The alloys in-volved are UNS Nos.C65100 and C65500.1.2 UnitsThe values stated in either inch-pound units orSI units are to be regarded separately as standard.Within thetext,SI units are shown in brackets.The values stated in eachsystem may not be exact equivalents;therefore,each systemshall be used independently of the other.Combining valuesfrom the two systems may result in nonconformance with thestandard.2.Referenced Documents2.1 ASTM Standards:2B250/B250M Specification for General Requirements forWrought Copper Alloy WireE8/E8M Test Methods for Tension Testing of Metallic Ma-terialsE62 Test Methods for Chemical Analysis of Copper andCopperAlloys(Photometric Methods)(Withdrawn 2010)3E112 Test Methods for Determining Average Grain SizeE478 Test Methods for Chemical Analysis of Copper Alloys3.General Requirements3.1 The following sections of Specification B250/B250Mconstitute 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 Report,3.1.13 Packaging and Package Marking,and3.1.14 Supplementary Requirements.3.2 In addition,when a section with a title identical to thatreferenced in 3.1,above,appears in this specification,itcontains additional requirements which supplement those ap-pearing in Specification B250/B250M.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.,4.1.3 Temper(Section 6),4.1.4 Dimensions(diameter,distance between parallelsurfaces,width,and thickness),4.1.5 How furnished(coil,reel,and so forth),4.1.6 Total weight of each size,and4.1.7 Intended application.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 Heat identification or traceability details(see 4.1.2 ofSpecification B250/B250M),4.2.2 Certification,4.2.3 Test reports,4.2.4 Special packaging and package markings,and4.2.5 If product is purchased for agencies of the U.S.Government(see the Supplementary Requirements section ofSpecification B250/B250M).5.Chemical Composition5.1 The product shall conform to the chemical compositionrequirements in Table 1 for the Copper Alloy UNS No.designation specified in the ordering information.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.1,2015.Published October 2015.Originallyapproved in 1935.Last previous edition approved in 2011 as B99/B99M11.DOI:10.1520/B0099_B0099M-15.2For 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 5.1.1 These composition limits do not preclude the presenceof other elements.By agreement between the manufacturer andthe purchaser,limits may be established and analysis requiredfor unnamed elements.5.2 For alloys in which copper is listed as“remainder,”copper is the difference between the sum of results for allelements determined and 100%.5.3 When all elements in Table 1 are determined,the sum ofresults shall be 99.5%min.6.Temper6.1 The standard tempers for products described in thisspecification are given in Table 2.6.1.1 Product made to H04(full hard)temper is generallynot available in sizes larger than 0.500 in.12 mm in diameteror distance between parallel faces.6.1.2 Product made to H08(spring)temper is generally notavailable in sizes larger than 0.250 in.6 mm in diameter ordistance between parallel faces.7.Grain Size for Annealed Temper7.1 Grain size shall be the standard requir