1、Designation:B27212Standard Specification forCopper Flat Products with Finished(Rolled or Drawn)Edges(Flat Wire and Strip)1This standard is issued under the fixed designation B272;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the ye
2、ar 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
3、the requirements for cop-per products,flat wire and strip,with rolled or drawn finishededges produced for general application.1.1.1 The product is produced in UNS Copper Nos.C10100,C10200,C10300,C10500,C10700,C10800,C11000,C11040,C12200,and C14200 unless otherwise established byagreement between man
4、ufacturer and purchaser.1.2 UnitsValues stated in inch-pound units are to beregarded as standard.The values given in parentheses aremathematical conversions to SI units,which are provided forinformation only and are not considered standard.NOTE1When a copper other than that listed in 1.1.1 is design
5、ated bythe purchaser,the resulting product shall conform to the physical,mechanical,performance,dimensional,and tolerance requirements peragreement between the manufacturer and purchaser.2.Referenced Documents2.1 ASTM Standards:2B49 Specification for Copper Rod Drawing Stock for Elec-trical Purposes
6、B170 Specification for Oxygen-Free Electrolytic CopperRefinery ShapesB193 Test Method for Resistivity of Electrical ConductorMaterialsB248 Specification for General Requirements for WroughtCopper and Copper-Alloy Plate,Sheet,Strip,and RolledBarB250/B250M Specification for General Requirements forWro
7、ught Copper Alloy WireB577 Test Methods for Detection of Cuprous Oxide(Hydro-gen Embrittlement Susceptibility)in CopperB846 Terminology for Copper and Copper AlloysB950 Guide for Editorial Procedures and Form of ProductSpecifications for Copper and Copper AlloysE8/E8M Test Methods for Tension Testin
8、g of Metallic Ma-terialsE18 Test Methods for Rockwell Hardness of Metallic Ma-terialsE53 Test Method for Determination of Copper in UnalloyedCopper by GravimetryE62 Test Methods for Chemical Analysis of Copper andCopperAlloys(Photometric Methods)(Withdrawn 2010)3E290 Test Methods for Bend Testing of
9、 Material for Ductil-ityE478 Test Methods for Chemical Analysis of Copper Alloys3.General Requirements3.1 The following sections of Specification B248 constitutea part of this specification for strip products and of Specifica-tion B250/B250M for flat wire products:3.1.1 Terminology,3.1.2 Materials a
10、nd 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 P
11、ackage Marking,and3.1.14 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 that supplement those appearing inSpecifications B248 or B250/B250M,or both.1This specification is under
12、 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.1,2012.Published November 2012.Originallyapproved in 1952.Last previous edition approved in 2007 as B272 07.DOI:1
13、0.1520/B0272-12.2For 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 stan
14、dard 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.Terminology4.1 For definitions of terms related to copper and copperalloys,refer to Termi
15、nology B846.5.Ordering Information5.1 Include the following specified choices when placingorders for product under this specification,as applicable:5.1.1 ASTM designation and year of issue,5.1.2 Copper UNS No.designation(Section 1),5.1.3 TemperO61(annealed),H00(eight hard),H01(quarter hard),H02(half
16、 hard),H03(three-quarter hard),H04(hard),H06(extra hard),H08(spring)(Section 8),5.1.4 DimensionsWidth and thickness(Section 13),5.1.5 QuantityTotal weight,footage,or number of pieces,5.1.6 How FurnishedLengths,coils,spools,and so forth,(see sections 13.4.1 and 13.4.3 for clarification),5.1.7 Intended application,and5.1.8 Edge contours required,(see 13.6).5.2 The following options are available but may not beincluded unless specified at the time of placing of the orderwhen required:5.2.1 Electric
