1、Designation:B72518Standard Specification forWelded Nickel(UNS N02200/UNS N02201)and NickelCopper Alloy(UNS N04400)Pipe1This standard is issued under the fixed designation B725;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.1.Scope*1.1 This specification covers nickel(UNS N02200)and lowcarbon nickel(UNS N02201 and UNS N04400)in the form ofwelded and ann
3、ealed or welded and stress relieved pipeintended for general corrosive service and for mechanicalapplications.1.2 This specification covers outside diameter and nominalwall pipe in Schedules 5S,10S,and 40S through 30-in.nominal pipe size shown in ANSI B36.19(see Table 1).Pipehaving other dimensions
4、may be furnished provided such pipecomplies with all other requirements of this specification.1.3 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 s
5、tandard.1.4 The following precautionary caveat pertains only to thetest methods portion,Section 12,of this specification:Thisstandard does not purport to address all of the safety problems,if any,associated with its use.It is the responsibility of the userof this standard to become familiar with all
6、 hazards includingthose identified in the appropriate Safety Data Sheet(SDS)forthis product/material as provided by the manufacturer,toestablish appropriate safety,health,and environmentalpractices,and determine the applicability of regulatory limi-tations prior to use.1.5 This international standar
7、d 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 issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenc
8、ed Documents2.1 ASTM Standards:2E8 Test Methods for Tension Testing of Metallic MaterialsE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE39 Methods for Chemical Analysis of Nickel(Withdrawn1995)3E213 Practice for Ultrasonic Testing of Metal Pipe and
9、TubingE571 Practice for Electromagnetic(Eddy-Current)Examina-tion of Nickel and Nickel Alloy Tubular Products2.2 ANSI Standards:4B 1.20.1 Pipe ThreadsB 36.10 Welded and Seamless Wrought Steel PipeB 36.19 Stainless Steel Pipe2.3 ASME Boiler and Pressure Vessel Code:5Section IX Welding and Brazing Qua
10、lifications3.Ordering Information3.1 Orders for material under this specification shall includethe following information:3.1.1 Alloy name or UNS number,3.1.2 ASTM designation and date of issue,3.1.3 Condition(temper)(Table 2),3.1.4 Dimensions:3.1.4.1 Nominal pipe size or outside diameter and schedul
11、enumber or nominal wall thickness(Table 1),3.1.4.2 Length(specific or random),1This specification is under the jurisdiction of ASTM Committee B02 onNonferrous Metals and Alloys and is the direct responsibility of SubcommitteeB02.07 on Refined Nickel and Cobalt and Their Alloys.Current edition approv
12、ed April 1,2018.Published April 2018.Originallyapproved in 1983.Last previous edition approved in 2014 as B725 05(2014)1.DOI:10.1520/B0725-18.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume
13、information,refer to the standards Document Summary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.4Available from American National Standards Institute(ANSI),25 W.43rd St.,4th Floor,New York,NY 10036,http:/www.ansi.org.5Available from Ame
14、rican Society of Mechanical Engineers(ASME),ASMEInternational Headquarters,Three Park Ave.,New York,NY 10016-5990,http:/www.asme.org.*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
15、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
16、Trade(TBT)Committee.1 3.1.5 Quantityfeet or metres,or number of pieces,3.1.6 CertificationState if certification is required(Sec-tion 15),3.1.7 Samples for Product(Check)AnalysisState whethersamples for product(check)analysis should be furnished(9.2),3.1.8 Purchaser InspectionIf the purchaser wishes towitness tests or inspection of material at the place ofmanufacture,the purchase order must so state indicating whichtests or inspections are to be witnessed(Section 13),3.1.9 Nondestructive Tests(s
