1、Designation:B83718Standard Specification forSeamless Copper Tube for Natural Gas and LiquifiedPetroleum(LP)Gas Fuel Distribution Systems1This standard is issued under the fixed designation B837;the number immediately following the designation indicates the year oforiginal adoption or,in the case of
2、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 for TypeGAS seamless Copper UNS No.C12200 tube for us
3、e in aboveground natural gas and liquified petroleum(LP)gas fueldistribution systems,commonly assembled with flared fittingsor brazed joints.NOTE1Tube temper,size,and joining method are determined byinstallation code requirements.1.2 UnitsThe values stated in inch-pound units are to beregarded as st
4、andard.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 method(s)portion,Section 17,of this specification.Thisstandard does not purport to add
5、ress all of the safety concerns,if any,associated with its use.It is the responsibility of the userof this standard to establish appropriate safety,health,andenvironmental practices and determine the applicability ofregulatory limitations prior to use.1.4 This international standard was developed in
6、 accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 AS
7、TM Standards:2B153 Test Method for Expansion(Pin Test)of Copper andCopper-Alloy Pipe and TubingB577 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
8、Copper and Copper AlloysB900 Practice for Packaging of Copper and Copper AlloyMill Products for U.S.Government AgenciesB968/B968M Test Method for Flattening of Copper andCopper-Alloy Pipe and TubeE3 Guide for Preparation of Metallographic SpecimensE8/E8M Test Methods for Tension Testing of Metallic
9、Ma-terialsE18 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 Methods for Chemical Analysis of Copper andCop
10、perAlloys(Photometric Methods)(Withdrawn 2010)3E112 Test Methods for Determining Average Grain SizeE243 Practice for Electromagnetic(Eddy Current)Examina-tion of Copper and Copper-Alloy TubesE255 Practice for Sampling Copper and Copper Alloys forthe Determination of Chemical CompositionE527 Practice
11、 for Numbering Metals and Alloys in theUnified Numbering System(UNS)3.Terminology3.1 For definitions of terms relating to copper and copperalloys,refer to Terminology B846.3.2 Definitions of Terms Specific to This Standard:3.2.1 liquified petroleum(LP)gas,nany of the followinghydrocarbons or mixture
12、s of them:propane,propylene,butane(normal butane or isobutane)and butylene.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,1This specification is under the jurisdiction of
13、ASTM Committee B05 on Copperand Copper Alloys and is the direct responsibility of Subcommittee B05.04 on Pipeand Tube.Current edition approved Nov.1,2018.Published December 2018.Originallyapproved in 1993.Last previous edition approved in 2010 as B83710.DOI:10.1520/B083718.2For referenced ASTM stand
14、ards,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.3The last approved version of this historical standard is referenced onwww.astm.org.*A Summa
15、ry 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 StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in th
16、e Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 4.1.2 Copper Alloy UNS No.(or other internationallyrecognized copper alloy)designation,4.1.3 Temper(Sections 5 and 7),4.1.4 Dimensions(Standard Size),diameter,and wall thick-ness(Table 1),4.1.5 How furnished:straight lengths or coils,4.1.6 Length(Table 2 and 12.5),4.1.7 Quantitytotal weight or total length or number o