ASTM_B_944_-_11_2016.pdf

Designation:B94411(Reapproved 2016)Standard Specification forCopper-Beryllium Welded Heat Exchanger and CondenserTube(UNS No.C17510)1This standard is issued under the fixed designation B944;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.Scope1.1 This specification establishes the requirements forcopper-beryllium alloy UNS No.C17510 welded tube instraight lengths.1.2 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.1.3 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:2B153 Test Method for Expansion(Pin Test)of Copper andCopper-Alloy Pipe and TubingB194 Specification for Copper-BerylliumAlloy Plate,Sheet,Strip,and Rolled BarB601 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 SpecificationsE243 Practice for Electromagnetic(Eddy Current)Examina-tion of Copper and Copper-Alloy TubesE255 Practice for Sampling Copper and Copper Alloys forthe Determination of Chemical CompositionE1004 Test Method for Determining Electrical ConductivityUsing the Electromagnetic(Eddy-Current)Method3.Terminology3.1 For definitions of terms related to copper and copperalloys,refer to Terminology B846.4.Ordering Information4.1 Include the following information when placing ordersfor product under this specification,as applicable:4.1.1 ASTM designation and year of issue,4.1.2 Copper Alloy UNS No.designation,4.1.3 Temper(Section 7),4.1.4 Dimensions,diameter,and wall thickness(Section12).For tube or pipe,specify either OD/wall,ID/wall,orOD/ID,4.1.5 Minimum wall thickness or average(nominal)wallthickness,4.1.6 Tube length,specific or random,and4.1.7 QuantityTotal weight or total length or number ofpieces of each size.4.2 The following options are available and should bespecified at the time of placing of the order when required:4.2.1 Hydrostatic test,4.2.2 Pneumatic test,4.2.3 Weld bead conditioning,and4.2.4 Certification.5.Materials and Manufacture5.1 MaterialsThe material of manufacture shall be sheetor strip of UNS Alloy No.C17510 of such purity andsoundness to be suitable for processing into the productsprescribed herein.5.2 ManufactureThe product shall be manufactured fromcold rolled strip which is subsequently formed and welded byan automatic welding process without the addition of fillermetal.6.Chemical Composition6.1 Material shall conform to the chemical compositionrequirements in Table 1 for Copper Alloy UNS No.C17510.1This 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 Oct.1,2016.Published October 2016.Originallyapproved in 2006.Last previous edition approved in 2011 as B944 11.DOI:10.1520/B0944-11R16.2For 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.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 6.2 These composition limits do not preclude the presenceof other elements.By agreement between the manufacturer andpurchaser,limits may be established and analysis required forunnamed elements.6.3 For alloys in which copper is listed as“Remainder,”copper is the difference between the sum of results of allelements determined and 100%.When all elements in Table 1are determined,the sum of results shall be 99.5%min.7.Temper7.1 The standard temper for products described in thisspecification is TF00(precipitation hardened)as defined inClassification B601.8.Physical Property Requirements8.1 Electrical ConductivityProduct furnished to thisspecification shall conform to the electrical conductivity re-quirement given in Table 2,when tested in accordance withTest Method E1004.9.Mechanical Property Requirements9.1 Tensile Strength Requirements:9.1.1 Product furnished under this specification shall con-form to the tensile requirements prescribed in Table 2,whentested in accordance with Test Methods E8/E8M.9.2 When spec