ASTM_B_937_-_15.pdf

Designation:B93715Standard Specification forCopper-Beryllium Seamless Tube(UNS Nos.C17500 andC17510)1This standard is issued under the fixed designation B937;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.1.Scope*1.1 This specification establishes the requirements forcopper-beryllium alloy seamless tube in straight lengths.Copper-cobalt-beryllium alloy UNS No.C17500 and copper-nickel-beryllium alloy UNS No.C17510 will be the alloysfurnished whenever this specification is specified.1.2 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.3 The following safety hazard caveat pertains only to thetest method(s)described in this specification.This standarddoes not purport to address all of the safety concerns,if any,associated with its use.It is the responsibility of the user of thisstandard to establish appropriate safety and health practicesand to determine the applicability of regulatory limitationsprior to use.2.Referenced Documents2.1 The following documents of the issue in effect on dateof material purchase form a part of this specification to theextent referenced herein:2.2 ASTM Standards:2B193 Test Method for Resistivity of Electrical ConductorMaterialsB194 Specification for Copper-BerylliumAlloy Plate,Sheet,Strip,and Rolled BarB251 Specification for General Requirements for WroughtSeamless Copper and Copper-Alloy TubeB601 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-terialsE255 Practice for Sampling Copper and Copper Alloys forthe Determination of Chemical CompositionE1004 Test Method for Determining Electrical ConductivityUsing the Electromagnetic(Eddy-Current)Method3.General Requirements3.1 The following sections of Specification B251(as noted)constitute a part of this specification:3.1.1 Terminology,3.1.2 Test Specimens,3.1.3 Significance of Numerical Limits,3.1.4 Inspection,3.1.5 Rejection and Rehearing,3.1.6 Certification,3.1.7 Packaging and Package Marking,and3.1.8 Mill Test Report.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 average diameter(for round tubes only),nthe aver-age of the maximum and minimum outside diameters,ormaximum and minimum inside diameters,whichever isapplicable,as determined at any one cross section of the tube.4.2.2 lengths,nstraight pieces of the product4.2.2.1 ends,nstraight pieces,shorter than the nominallength,left over after cutting the product into mill lengths,stock lengths,or specific lengths.They are subject to minimumlength and maximum weight requirements.4.2.2.2 specific,adjstraight lengths that are uniform inlength,as specified,and subject to established length toler-ances.4.2.2.3 specific with ends,adjspecific lengths,includingends.4.2.2.4 stock,nstraight lengths that are mill cut and storedin advance of orders.They are usually 8,10,12,or 20 ft(2.44,3.05,3.66,or 6.10 m)and subject to established lengthtolerances.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 May 2015.Originallyapproved in 2004.Last previous edition approved in 2010 as B937 04(2010).DOI:10.1520/B0937-15.2For 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.*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 4.2.2.5 stock with ends,adjstock lengths,including ends.4.2.3 tube,na hollow product of round or any other crosssection having a continuous periphery.4.2.3.1 tube,seamless,adja tube produced with a continu-ous periphery in all stages of the operations.5.Ordering Information5.1 Include the following information in orders for productunder this specification,as applicable:5.1.1 ASTM designation and year of issue,5.1.2 Copper Alloy UNS designation(1.1),5.1.3 Temper(see Section 8),5.1.4 Quantity,pounds or number of pieces,5.1.5 Dimensions,including length if applicable.For tubeor pipe specify either OD/ID,OD/wall,or ID/wall,5.1.6 How furnished:stock lengths with or without ends,specific lengths with or without ends,5.1.7 When product is purchased for ASME Boiler andPressure Vessel Code Applicati