ASTM_B_42_-_15a.pdf

Designation:B4215aStandard Specification forSeamless Copper Pipe,Standard Sizes1This standard is issued under the fixed designation B42;the number immediately following the designation indicates the year of originaladoption or,in the case of revision,the year of last revision.Anumber in parentheses indicates the year of last reapproval.Asuperscriptepsilon()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 forseamless copper pipe in all nominal or standard pipe sizes,bothregular and extra-strong,suitable for use in plumbing,boilerfeed lines,and for similar purposes.31.2 UnitsThe values stated in inch-pound units are to beregarded as the standard.The values given in parentheses aremathematical conversions to SI units,which are provided forinformation only and are not considered standard.1.3 The following safety hazard caveat pertains only to thetest methods described in this specification.1.3.1 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:4B153 Test Method for Expansion(Pin Test)of Copper andCopper-Alloy Pipe and TubingB170 Specification for Oxygen-Free Electrolytic CopperRefinery ShapesB577 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 AlloysB968/B968M Test Method for Flattening of Copper andCopper-Alloy Pipe and TubeE8/E8M Test Methods for Tension Testing 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in UnalloyedCopper by GravimetryE62 Test Methods for Chemical Analysis of Copper andCopperAlloys(Photometric Methods)(Withdrawn 2010)5E243 Practice for Electromagnetic(Eddy Current)Examina-tion of Copper and Copper-Alloy TubesE255 Practice for Sampling Copper and Copper Alloys forthe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)3.Terminology3.1 Definitions:3.1.1 For definitions of terms related to copper and copperalloys,refer to Terminology B846.4.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 No.designation,if required,(see Chemi-cal Composition section),4.1.3 Temper(see Temper section and Table 2),4.1.4 Pipe size,regular or extra-strong,(see Dimensionssection and Table 3),4.1.5 Length(see 10.3)if different than standard,4.1.6 Total length of each size,4.2The following options are available,but may not beincluded unless specified at the time of placing of the orderwhen required: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 July 1,2015.Published July 2015.Originally approvedin 1922.Last previous edition approved in 2015 as B42 15.DOI:10.1520/B0042-15A.2For ASME Boiler and Pressure Vessel Code applications,see related Specifi-cation SB-42 in Section II of that Code.3The 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.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.5The 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 4.2.1 If product is ordered for ASME Boiler and PressureVessel Code Application(See Certification Section).4.2.2 If product is required for bending(see 6.2)and thetemper to be furnished,4.2.3 Certification,if required(see Certification section),4.2.4 Test report,if required(see Test Report section),4.2.5 Hydrostatic test,if required(see Nondestructive Test-ing section),4.2.5.1 If hydrostatic test pressure above 1000 psi isrequired,4.2.6 Pneumatic test,if required(see Nondestructive Test-ing section).4.2.7 If product is purchased for agencies of the U.S.Government(see the Other Requirem