1、Designation:B80402(Reapproved 2018)Standard Specification forUNS N08367 and UNS N08926 Welded Pipe1This standard is issued under the fixed designation B804;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A n
2、umber 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 covers UNS N08367 and UNSN08926 welded pipe for general corrosion applications.(Al-though no restrictions are placed on t
3、he sizes of pipe that maybe furnished under this specification,commercial practice iscommonly limited to sizes not less than 8 in.nominal diam-eter.)1.2 Six classes of pipe are covered as follows:1.2.1 Class 1 pipe shall be double welded by processesemploying filler metal in all passes and shall be
4、completelyradiographed.1.2.2 Class 2 pipe shall be double welded by processesemploying filler metal in all passes.No radiography is re-quired.1.2.3 Class 3 pipe shall be double welded by processesemploying filler metal in all passes except the inside root weldmay be made without the addition of fill
5、er metal.Welds are tobe completely radiographed.1.2.4 Class 4 pipe shall be double welded by processesemploying filler metal in all passes except the inside root weldmay be made without the addition of filler metal.No radiog-raphy is required.1.2.5 Class 5 pipe shall be single welded by processesemp
6、loying filler metal in all passes except that the passexposed to the inside pipe surface may be made without theaddition of filler metal.Welds are to be completely radio-graphed.1.2.6 Class 6 pipe shall be single welded by processesemploying filler metal in all passes except that the passexposed to
7、the inside pipe surface may be made without theaddition of filler metal.No radiography is required.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 conside
8、red standard.1.4 The following safety hazards caveat pertains only to thetest methods portion,Section 13,of this standard:This stan-dard does not purport to address all of the safety concerns,ifany,associated with its use.It is the responsibility of the userof this standard to become familiar with a
9、ll 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 stand
10、ard 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.Refere
11、nced Documents2.1 ASTM Standards:2A262 Practices for Detecting Susceptibility to IntergranularAttack in Austenitic Stainless SteelsA370 Test Methods and Definitions for Mechanical Testingof Steel ProductsB625 Specification for UNS N08925,UNS N08031,UNSN08034,UNS N08932,UNS N08926,UNS N08354,UNS N088
12、30,and UNS R20033 Plate,Sheet,and StripB688 Specification for Chromium-Nickel-Molybdenum-Iron(UNS N08366 and UNS N08367)Plate,Sheet,andStripB880 Specification for General Requirements for ChemicalCheck Analysis Limits for Nickel,Nickel Alloys andCobalt AlloysB899 Terminology Relating to Non-ferrous
13、Metals and Al-loysE8/E8M Test Methods for Tension Testing of Metallic Ma-terialsE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE38 Methods for Chemical Analysis of Nickel-Chromiumand Nickel-Chromium-Iron Alloys(Withdrawn 1989)31This specification is
14、 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 approved Nov.1,2018.Published November 2018.Originallyapproved in 1989.Last previous edition approved in 2
15、013 as B804 02(2013).DOI:10.1520/B0804-02R18.2For 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 standard s Document Summary page onthe ASTM website.3The last approved v
16、ersion of this historical standard is referenced onwww.astm.org.Copyright 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 E354 Test Me
