1、Designation:B30212Standard Specification forThreadless Copper Pipe,Standard Sizes1This standard is issued under the fixed designation B302;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 parenthe
2、ses 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 Thisspecificationestablishesrequirementsforthreadless,seamless,deoxidiz
3、ed copper pipe(TP)in straightlengths,in all nominal or standard pipe sizes,for pipingsystems that are assembled with brazed-joint pipe fittings.Thepipe shall be produced from either of coppers UNS Nos.C10300 or C12200.1.2 UnitsValues stated in inch-pound units are to beregarded as standard.The value
4、s 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 Section 16 of this specification:Thisstandard does not purport to address all of the
5、 safety concerns,if any,associated with its use.It is the responsibility of the userof this standard to establish appropriate safety and healthpractices and determine the applicability of regulatory limita-tions prior to its use.2.Referenced Documents2.1 ASTM Standards:2B577 Test Methods for Detecti
6、on of Cuprous Oxide(Hydro-gen Embrittlement Susceptibility)in CopperB601 Classification for Temper Designations for Copper andCopper AlloysWrought and CastB846 Terminology for Copper and Copper AlloysB950 Guide for Editorial Procedures and Form of ProductSpecifications for Copper and Copper AlloysE8
7、 Test Methods for Tension Testing of Metallic MaterialsE18 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 M
8、ethods for Chemical Analysis of Copper andCopperAlloys(Photometric Methods)(Withdrawn 2010)3E243 Practice for Electromagnetic(Eddy Current)Examina-tion of Copper and Copper-Alloy TubesE255 Practice for Sampling Copper and Copper Alloys forthe Determination of Chemical Composition3.Terminology3.1 For
9、 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,4.1.3 No
10、minal or standard size(Table 1),and4.1.4 QuantityTotal length,total weight,or number ofpieces of each size.4.2 The following options are available,but may not beincluded unless specified at the time of placing of the orderwhen required:4.2.1 Tension test(Mechanical Property RequirementsSection),4.2.
11、2 Hydrostatic test(Other Requirements Section),4.2.2.1 Test Pressure over 1000 psi(6.9 MPa),4.2.3 Pneumatic test(Other Requirements Section),4.2.4 Heat identification or traceability requirements(5.1.1),4.2.5 Certification(Section 20),4.2.6 Mill test report(Section 21).4.2.7 Source inspection requir
12、ement(18.2),and4.2.8 When the specification number must be shown on theshipping unit(Section 22).5.Materials and Manufacture5.1 MaterialThe material of manufacture shall be castbillets,bars,or tubes of copper UNS No.C10300 or C12200 of1This specification is under the jurisdiction ofASTM Committee B0
13、5 on Copperand Copper Alloys and is the direct responsibility of Subcommittee B05.04 on Pipeand Tube.Current edition approved April 1,2012.Published May 2012.Originallyapproved in 1955.Last previous edition approved in 2007 as B302 07.DOI:10.1520/B0302-12.2For referenced ASTM standards,visit the AST
14、M 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.3The last approved version of this historical standard is referenced onwww.astm.org.*A Summary of Changes sect
15、ion appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 such purity and soundness as to be suitable for processing intofinished lengths of pipe to meet the properties prescribedherein.5.1.1 When specified in
16、 the contract or purchase order,thatheat identification or traceability is required,the purchasershall specify the details desired.NOTE1Due to the discontinuous nature of the processing of castingsinto wrought products,it is not always practical to identify specific castinganalysis with a specific quantity of finished product.5.2 Manufacture:5.2.1 The pipe shall be manufactured by such hot extrusionor piercing and subsequent cold working as to produce auniform,seamless wrought structure in the f
