1、Designation:B15311(Reapproved 2017)Standard Test Method forExpansion(Pin Test)of Copper and Copper-Alloy Pipe andTubing1This standard is issued under the fixed designation B153;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year
2、 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.1.Scope*1.1 This test method establishes the
3、requirements for theexpansion pin test for copper and copper-alloy pipe and tubingwith an inside diameter of 0.125 in.(3.2 mm)and greater or anoutside diameter up to and including 4 in.(102 mm).NOTE1For tubes of sizes with an inside diameter less than 0.125 in.(3.2 mm),a substitute test method must
4、be agreed upon between themanufacturer and purchaser.NOTE2For tubes of sizes greater than 4 in.(102 mm)in outsidediameter,refer to B968/B968M for a test method.1.2 UnitsThe values stated in inch-pound units are to beregarded as standard.The values given in parentheses aremathematical conversions to
5、SI units that 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 determi
6、ne the applica-bility of regulatory limitations prior to use.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
7、 issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2B846 Terminology for Copper and Copper AlloysB968/B968M Test Method for Flattening of Copper andCopper-Alloy Pipe and Tube3.Terminology3.1 For definitions of terms related to co
8、pper and copperalloys,refer to Terminology B846.4.Summary of Test Method4.1 The prepared test specimen is expanded over a conicalpin inserted at a uniform speed or pressure.The expansion ofthe test specimen shall be measured on the outside of the tubediameter and shall conform to the product specifi
9、cation.5.Significance and Use5.1 When properly performed and interpreted,the expan-sion pin test will provide information with regard to thecapacity of a tube for expansion and to reveal surface defects.The expansion pin test may provide data for research anddevelopment,engineering design,quality co
10、ntrol,and accep-tance or rejections in specifications.5.2 In certain product specifications which establish require-ments for tubes of sizes greater than 4 in.(102 mm),the testdescribed in Test Method B968/B968M may be allowed as asubstitute.6.Apparatus6.1 PinThe conical pin shall have an included a
11、ngle of60,unless provided otherwise in the product specification.The pin shall be made of carbide or tool steel that has beenhardened and ground to the prescribed angle and shall have asmooth,polished surface.The size of the pin at the base shallbe suitable for the size of tubing being tested.6.2 Te
12、sting MachineAny type of testing machine,eitherhydraulically or mechanically operated,that will exert pressureto expand the pipe and tubing on the pin at a uniform rate.7.Sampling and Test Specimen Preparation7.1 The test specimen shall be prescribed in the specifica-tion for the product being teste
13、d.In the event that a testspecimen size is not prescribed in the pipe or tubespecification,the specimen shall be of suitable length so that itcan be expanded to the required amount.Both ends shall eitherbe faced square to the longitudinal axis in a lathe,or suitably1This test method is under the jur
14、isdiction of ASTM Committee B05 on Copperand Copper Alloys and is the direct responsibility of Subcommittee B05.06 onMethods of Test.Current edition approved April 1,2017.Published April 2017.Originallyapproved in 1941.Last previous edition approved in 2011 as B153-11.DOI:10.1520/B0153-11R17.2For re
15、ferenced 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 standardCopyrigh
16、t 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 prepared so as to have a smooth surface free from scratches orburrs,which might inte
