ASTM_B_188_-_15e1.pdf

Designation:B188151Standard Specification forSeamless Copper Bus Pipe and Tube1This standard is issued under the fixed designation B188;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.1NOTETable 10 was editorially corrected in April 2016.1.Scope*1.1 This specification establishes the requirements for seam-less copper bus pipe and tube intended for use as electricalconductors.1.1.1 The product shall be made from one of the followingcoppers,as denoted in the ordering information:2CopperUNS No.2PreviouslyUsedDesignationType of CopperC10100OFEOxygen-free,electronicC10200OFOxygen-free without residual deoxidantsC10300Oxygen-free,extra low phosphorusC10400,C10500,C10700OFSOxygen-free,silver bearingC11000ETPElectrolytic tough pitchC11300,C11400,C11600STPSilver-bearing tough pitchC12000DLPPhosphorized,low residual phosphorus1.2 Unless otherwise specified,any one of the above cop-pers may be furnished.1.3 UnitsThe values 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.2.Referenced Documents2.1 ASTM Standards:3B193 Test Method for Resistivity of Electrical ConductorMaterialsB428 Test Method for Angle of Twist in Rectangular andSquare Copper and Copper Alloy TubeB577 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 AlloysE8/E8M Test Methods for Tension Testing of Metallic Ma-terialsE18 Test Methods for Rockwell Hardness of Metallic Ma-terialsE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE53 Test Method for Determination of Copper in UnalloyedCopper by GravimetryE62 Test Methods for Chemical Analysis of Copper andCopperAlloys(Photometric Methods)(Withdrawn 2010)4E243 Practice for Electromagnetic(Eddy Current)Examina-tion of Copper and Copper-Alloy TubesE255 Practice for Sampling Copper and Copper Alloys forthe Determination of Chemical CompositionE527 Practice for Numbering Metals and Alloys in theUnified Numbering System(UNS)3.Terminology3.1 For definitions of terms related to copper and copperalloys,refer to Terminology B846.3.2 Definitions of Terms Specific to This Standard:3.2.1 bus pipe or tubea high conductivity copper tubularproduct used as an electrical conductor.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 UNS designation(1.1.1 and 1.2),4.1.3 Temper(Section 7),1This specification is under the jurisdiction ofASTM Committee B05 on Copperand Copper Alloys and is the direct responsibility of Subcommittee B05.04 on Pipeand Tube.Current edition approved May 1,2015.Published June 2015.Originallyapproved in 1944.Last previous edition approved in 2010 as B188 10.DOI:10.1520/B0188-15E01.2The 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 4.1.4 Dimensions and form(Section 12),4.1.5 Length(Section 12),4.1.6 Quantitytotal weight or total length or number ofpieces of each size(Table 1),4.2 The following options are available but may not beincluded unless specified at the time of placing the order whenrequired:4.2.1 Bend test(Section 10),4.2.2 Hydrogen embrittlement susceptibility test(Section10),4.2.3 Microscopical examination(Section 10),4.2.4 Tension testing(Section 9),4.2.5 Eddy-current test(Section 11),4.2.6 Certification(Section 21),4.2.7 Test report(Section 22),and4.2.8 If the specification number is required to be shown onthe packaging(Section 23.2).5.Materials and Manufacture5.1 Material:5.1.1 The material of manufacture shall be cast billet of oneof the UNS copper alloy numbers included in the scope,and asso specified in the contract or purchase order,and shall be ofsuch purity and soundness a