ASTM_B_187_-_B_187M_-_19.pdf

Designation:B187/B187M19Standard Specification forCopper,Bus Bar,Rod,and Shapes and General PurposeRod,Bar,and Shapes1This standard is issued under the fixed designation B187/B187M;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 specification2establishes the requirements for cop-per conductor bar,rod,and shapes for electrical(bus)applica-tions and rod,bar,and shapes for general applications.1.1.1 The products for electrical(bus)applications shall bemade from the following coppers:3Copper UNS No.3Reference DesignationC10100OFEC10200OFC10300OFXLPC10400,C10500,C10700OFSC10920,C10930,C10940C11000ETPC11300,C11400,C11500,C11600STPC12000DLP1.1.1.1 The product may be furnished from any copperlisted unless otherwise specified in the contract or purchaseorder.1.2 The product for general applications shall be made fromany of the coppers in 1.1.1 or the following coppers:Copper UNS No.3Reference DesignationC10800OFLPC12200DHP1.2.1 The product may be furnished from any copper listedabove unless otherwise specified in the contract or purchaseorder.Other coppers may be used upon agreement between thesupplier and purchaser.1.3 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 are not necessarily exact equivalents;therefore,toensure conformance with the standard,each system shall beused independently of the other,and values from the twosystems shall not be combined.NOTE1Material for hot forging will be found in SpecificationB124/B124M.1.4 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:4B124/B124M Specification for Copper and Copper AlloyForging Rod,Bar,and ShapesB170 Specification for Oxygen-Free Electrolytic CopperRefinery ShapesB193 Test Method for Resistivity of Electrical ConductorMaterialsB216 Specification for Tough-Pitch Fire-Refined CopperRefinery ShapesB224 Classification of CoppersB249/B249M Specification for General Requirements forWrought Copper and Copper-Alloy Rod,Bar,Shapes andForgingsB577 Test Methods for Detection of Cuprous Oxide(Hydro-gen Embrittlement Susceptibility)in CopperB601 Classification for Temper Designations for Copper andCopper AlloysWrought and CastB846 Terminology for Copper and Copper AlloysB900 Practice for Packaging of Copper and Copper AlloyMill Products for U.S.Government AgenciesE53 Test Method for Determination of Copper in UnalloyedCopper by Gravimetry1This 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 15,2019.Published May 2019.Originallyapproved in 1944.Last previous edition approved in 2016 as B187/B187M16.DOI:10.1520/B0187_B0187M19.2For ASME Boiler and Pressure Vessel Code applications,see related Specifi-cation SB-187 in Section II of that Code.3Refer to Practice E527 for an explanation of the Unified Numbering System.4For 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.*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 StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 E62 Test Methods for Chemical Analysis of Copper andCopperAlloys(Photometric Methods)(Withdrawn 2010)5E255 Practice for Sampling Copper and Copper Alloys forthe Determination of Chemical CompositionE478 Test Methods for Chemical Analysis of Copper AlloysE527 Practice for Numbering Metals and Alloys in theUnified Numbering System(UNS)E1004 Test Method for Determining Electrical ConductivityUsing the Electromagnetic(Eddy Current)MethodE2575 Standard Test Method for Determination of Oxygenin Copper and Copper Alloys(Withdrawn 2017)52.2 Other Standard:ASME Boiler and Pressure Vessel Code63.Terminology3.1 For definitions of t