1、Designation:B301/B301M13Standard Specification forFree-Cutting Copper Rod,Bar,Wire,and Shapes1This standard is issued under the fixed designation B301/B301M;the number immediately following the designation indicates the yearof original adoption or,in the case of revision,the year of last revision.A
2、number in parentheses indicates the year of last reapproval.A superscript 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 the requirements for free
3、-cutting copper rod,bar,wire,and shapes of UNS Alloy Nos.C14500,C14510,C14520,C14700,and C18700,suitable forhigh-speed screw machine work or for general applications.1.2 Typically,product made to this specification is furnishedas straight lengths.Sizes12in.12 mm and under may befurnished in coils wh
4、en requested.1.3 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.Combiningv
5、alues from the two systems may result in non-conformancewith the standard.2.Referenced Documents2.1 ASTM Standards:2B193 Test Method for Resistivity of Electrical ConductorMaterialsB249/B249M Specification for General Requirements forWrought Copper and Copper-Alloy Rod,Bar,Shapes andForgingsB250/B25
6、0M Specification for General Requirements forWrought Copper Alloy WireB950 Guide for Editorial Procedures and Form of ProductSpecifications for Copper and Copper AlloysE8/E8M Test Methods for Tension Testing of Metallic Ma-terialsE121 Test Methods for Chemical Analysis of Copper-Tellurium Alloys(Wit
7、hdrawn 2010)3E478 Test Methods for Chemical Analysis of Copper Alloys3.General Requirements3.1 The following sections of Specifications B249/B249Mor B250/B250M constitute a part of this specification:3.1.1 Terminology,3.1.2 Materials and Manufacture,3.1.3 Dimensions and Permissible Variations,3.1.4
8、Workmanship,Finish,and Appearance,3.1.5 Sampling,3.1.6 Number of Tests and Retests,3.1.7 Specimen Preparation,3.1.8 Test Methods,3.1.9 Inspection,3.1.10 Significance of Numerical Limits,3.1.11 Rejection and Rehearing,3.1.12 Certification,3.1.13 Test Reports,3.1.14 Packaging and Package Marking,and3.
9、1.15 Supplementary Requirements.3.2 In addition,when a section with a title identical to thatreferenced in 3.1 appears in this specification,it containsadditional requirements which supplement those appearing inSpecifications B249/B249M or B250/B250M.4.Ordering Information4.1 Include the following s
10、pecified choices when placingorders for products under this specification,as applicable:4.1.1 ASTM designation and year of issue,4.1.2 Copper UNS No.designation,4.1.3 Product(rod,bar,wire,or shape),4.1.4 Cross section(round,hexagonal,square,and so forth),4.1.5 Temper(Section 6),4.1.6 Dimensions,diam
11、eter or distance between parallelsurfaces;width and thickness,4.1.7 How furnished:straight lengths,coils,or reels,4.1.8 Length(Section 9.3),4.1.9 Total length,or number of pieces of each size,1This specification is under the jurisdiction ofASTM Committee B05 on Copperand Copper Alloys and is the dir
12、ect responsibility of Subcommittee B05.02 on Rod,Bar,Wire,Shapes and Forgings.Current edition approved Oct.1,2013.Published November 2013.Originallyapproved in 1955.Last previous edition approved in 2008 as B301/B301M 08.DOI:10.1520/B0301_B0301M-13.2For referenced ASTM standards,visit the ASTM websi
13、te,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 app
14、ears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 4.1.10 Total weight of each size,and4.1.11 Intended application.4.2 The following options are available but may not beincluded unless specified at the time of
15、 placing of the orderwhen required:4.2.1 Certification(Specifications B249/B249M or B250/B250M),4.2.2 Mill Test Reports(Specifications B249/B249M orB250/B250M),4.2.3 Yield strength tests(Section 8),4.2.4 Resistivity tests(Section 7),4.2.5 Automatic screw machine use(9.4),and4.2.6 When product is pur
16、chased for agencies of the U.S.Government(Specifications B249/B249M or B250/B250M).5.Chemical Composition5.1 The material shall conform to the chemical compositionrequirements in Table 1 for the UNS No.designation specifiedin the ordering information.5.2 These composition limits do not preclude the presenceof other elements.Limits may be established and analysisrequired for unnamed elements by agreement between themanufacturer and the purchaser.6.Temper6.1 The standard tempers for products descr
