ASTM_B_197_-_B_197M_-_07_2013.pdf

Designation:B197/B197M07(Reapproved 2013)Standard Specification forCopper-Beryllium Alloy Wire1This standard is issued under the fixed designation B197/B197M;the number immediately following the designation indicates the yearof original adoption or,in the case of revision,the year of last revision.A 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 U.S.Department of Defense.1.Scope*1.1 This specification establishes the requirements forcopper-beryllium alloy wire in coils,spools,or other thanstraight lengths,of any uniform cross section.Copper AlloyUNS Nos.C17200 and C173002are included.1.2 Unless otherwise required,Copper Alloy UNS No.C17200 shall be the alloy furnished whenever SpecificationB197/B197Mis specified without any alloy designation.1.3 The values stated in either inch-pounds or SI units are tobe regarded separately as the standard.Within the text,the SIunits are shown in brackets.The values stated in each systemare not exact equivalents;therefore,each system shall be usedindependently of the other.Combining values from the twosystems may result in nonconformance with the specification.1.4 The following safety hazard caveat pertains only to thetest methods described in this specification:1.4.1 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:3B194 Specification for Copper-BerylliumAlloy Plate,Sheet,Strip,and Rolled BarB250/B250M Specification for General Requirements forWrought Copper Alloy WireB601 Classification for Temper Designations for Copper andCopper AlloysWrought and CastB846 Terminology for Copper and Copper AlloysE8 Test Methods for Tension Testing of Metallic MaterialsE8M Test Methods for Tension Testing of Metallic MaterialsMetric(Withdrawn 2008)4E112 Test Methods for Determining Average Grain SizeE527 Practice for Numbering Metals and Alloys in theUnified Numbering System(UNS)3.General Requirements3.1 The following sections of Specification B250/B250Mconstitute a part of this specification:3.1.1 Terminology,3.1.2 Material and Manufacturer,3.1.3 Chemical Composition,3.1.4 Dimensions and Permissible Variations,3.1.5 Workmanship,Finish,and Appearance,3.1.6 Sampling,3.1.7 Number of Tests and Retests,3.1.8 Specimen Preparation,3.1.9 Test Methods,3.1.10 Significance of Numerical Limits,3.1.11 Inspection,3.1.12 Rejection and Rehearing,3.1.13 Certification,3.1.14 Mill Test Report,and3.1.15 Packaging and Package Marking.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.Terminology4.1 For definitions of terms related to copper and copperalloys,refer to Terminology B846.4.2 Definitions of Terms Specific to This Standard:4.2.1 grain countthe number of grains per stock thickness.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 April 1,2013.Published April 2013.Originallyapproved in 1945.Last previous edition approved in 2007 as B197/B197M 07.DOI:10.1520/B0197_B0197M-07R13.2The 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.4The 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.Ordering Information5.1 Include the following information when placing ordersfor product under this specification,as applicable:5.1.1 ASTM specification designation and year of issue,5.1.2 Copper(Alloy)UNS No.designation,5.1.3 Temper(Section 7),5.1.4 Dimensions,diameter,or distance between parallelsurfaces,and length if applicable,5.1.5 Form of material:cross section such as round,hexagonal,octagonal,oval,trapezoidal,and so forth,5.1.6 How furnished:coils spools,reels,or bucks,andspecific lengths with or without ends or stock lengths with orwithout ends if applicable,and5.1.7 When material is ordered for agencies of the U.S.Government(see Sec