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1、Manua1.forDeterminingtheRemainingStrengthofCorrodedPipe1.inesSupp1.ementtoASMEB31CodeforPressurePipingANAMERICANNATIONA1.STANDARDManua1.forDeterminingtheRemainingStrengthofCorrodedPipe1.inesSupp1.ementtoASMEB31CodeforPressurePipingANAMERICANNATIONA1.STANDARDTwoParkAvenueNewYork,NY10016USADateof1.unc
2、c:October312023ThenextCdtionofthisManua1.isschedUcdforpub1.icationh2026ThisManua1.wasdeve1.opedunderproceduresaccreditedasmceongthecritcaforAZnCneanNatiOMStandards.ThestandardscommitteethatapprovedtheManua1.wasba1.ancedtoensurethatndvduakfromcompetentandconcernedinterestshadanOpportunitytoparticipat
3、e.IheManua1.wasmadevaiab1.eforpub1.icreviewandcomment,whichprovidedanopportunityforaddtia1.pub1.icinputfromindustry,acadcmafregu1.atoryagencies,andthepuU*c-at-1.arge.ASMEdoesnotapprove/-ccrfrate/orendoneanyitem,consucooaproprietarydevice,oractivity.ASMEdoesttakeanypositionwithrespecttotheva1.iditydJ
4、nVpotentrightsassertedinconnectionwithanitems11emionednthisdocument,anddocsnotundertaketoinsureanyoneUD1.izingastandardagainstIBbi1.itforinfringementofanyapp1.icab1.e1.etterspatent,nordoesASMEassumeanysuch1.iabi1.rty.Usersofacodeorsta11dardarcexpress1.yad/isedthatdetcr11Mnatooftheva1.idityofanysuchp
5、atentrights,andtheriskofinfringementofsuchrights,isentire1.ytheirownresponsibi1.ity.Parbapationbyfedera1.agencyrepcWentabvesorpersonsaffi1.iatedwithindustryisnottobeinterpretedagovernmentorindustryendorsementofthisManua1.ASMEacceptsresponsibi1.ityforon1.ythoseInterpretationsofthisdocumentissued1.acc
6、ordancewiththeestab1.ishedASMEproceduresandpo1.icies,whichprec1.udestheissuanceofinterpretatiombyindividua1.s.Theendnotesandpreamb1.einthisdocument(ifany)arcpartofthisAmericanNationa1.Standard.ASMECo1.1.ectiveMtm1.xrfihipMWIIASME*andIbeboveASMC*mbo1.4rerecbteredtridemjrhoTheAmernSocietyoMechjrice1.E
7、11crjer5.Sop4rtof卜bdocumentEJYbereproducedinaryform,Ganff1.ffctfonicretrev41.symOfoherww,withoutthpriorwrittenPerTnMOnofth。pub1.isher.ThMIefICMSMtyofMechfIcXEngineersTwoPartAvenue.MWYork.KY116990CopyrightO2023byTHEAMERICANSoanYOfMCCHANCA1.1.NGN(XRSA1.rghtreservedPrintedinUSACONTENTSForewordvCommrtte
8、cRosterviCorrespondenceWiththeB31CommitteeviiSummaryofChangesbe1 Introduction12 Eva1.uationMethods53 Tab1.esofA1.1.owab1.e1.engthofCorrosion8NonmandatoiyAppendixASamp1.eCa1.cu1.ations64Figures1.12- 1CorrosionPitInteractionDistancesS1.13- 1He1.ica1.1.yOrientedCorrosionPattern62.1-1CorrosionParameters
9、UsedinAna1.ysis6-2-1.PittingArrangementforExamp1.eProbiem65A-2-2CrossSectionofPittingforExamp1.eProb1.em65Tab1.es31Va1.uesof1.forPipeSizesNNPS2andCNPS6931MVa1.uesof1.forPipeSizes60mmand168mmOD93-2Vaiuwo(1.forPipeSixesNPS6andNPS10103-2MVa1.uesof1.forPipeSizes168mmand273mmOB113-3Va1.uesof1.forPipeSize
10、sNNPS10andVNPS161233MVa1.uesof1.forPipeSizes273mmand406mmOD133-4Va1.uesof1.forPipeSizesNPS16andNI*S20143-4MVa1.uesof1.forPipeSizes406mmandS08mmOD163.5Va1.uesof1.forPipeSizesNPS20andNPS24183-SMVa1.uesof1.forPipeSizes2三0mmand610mmOB2036Va1.uesof1.forPipeSizesNPS24andNPS302236MVa1.uesof1.forPipeSizes61
11、0mmand762mmOD243-7Va1.uesof1.forPipeSizesNPS30andNPS36263-7MVa1.uesof1.forPipeSizes762mmand914mmOB283-8Va1.uesof1.forRpcSizesNPS36andNPS423038MVa1.uesof1.forPipeSizes914mmand1066nun0.D323-9Va1.uesof1.forPipeSUesNPS42andNPS48M39MVa1.uesof1.forPipeSizes1066nunand1219mm0.D383-10Va1.uesof1.forPipeSizesZ
12、NPS48andNPSS242310MVa1.uesof1.forPipeSizes1219mmand1320mm0.D4S3-11Va1.uesof1.forPipeSizesNPS52andNPS56483-1IMVa1.uerof1.forPipeSizes21320mmandngservicehistories,mayexperiencecorrosion.Ithasahobeenrecognized,throughtheoretica1.ana1.i5,scientificresearchandtestIng.andmdustryoperatingexpcrience.thatsom
13、eamountofmea1.Iossduetocorrask)ncanbeto1.eratedwithoutimpairingtheabi1.ityofthepipe1.inetooperatesafe1.y.In1984,theAmericanSodecyofMechan1.a1.Engineers(SME)pub1.ishedthefirsteditionoftheSMEB31GManua1.forDeterminingtheRemainingStrengthofCorrodedPipe1.ines.ASMEB3IGprovidedpipe1.ineoperatorswithsimp1.i
14、fiedeva1.uationmethodbasedontheresu1.tsOfana1.ysisandtests.Theapp1.icationofASMEB31Ghasenab1.edpipe1.ineoperatorstore1.iab1.ydeterminesafeoperatingpressure1.eve1.sforpipeaffectedbycorrosion,andtodeterminewhetherrepairsarenecewaryinordertocontinueoperatingsafe1.y.ASMEB31GcontinuedtobereissuedbyASMEwi
15、thon1.yminorrevisionsovertime,a1.thoughothercorrosioneva(u3tionmethod%hadUVOhred%inceSMEB31G*sinitia1.pub1.ication.majorityohheseothermethodsrebasedonthesametheoretica1.mode1.fromwhichtheorigina1.ASMEB31Gmethodwasderived,butmayofferscenerefinementinaccuracy.Subsequent1.y,aneffortwasundertakentoupdat
16、etheASMEB31GdocumenttoFecogn1.zecerta1.nothercorrosioneva1.uationmethodsthathaveprovenxoundandthathave%eenxuccessfu1.useinthePipdineindustry.IncorporationoftheseothermethodsintoarecognizedCodcdoaimcntprovidesthepipe1.ineoperatororotheruserwithaforma1.izedframeworkwkhinWhichtousesuchmethodo1.o1.es,as
17、we1.1.asaw1.derrngeofcodifiedtechnica1.optionsWithwhichtomakeanva1.uation.The2009FrVKiOnofASMEB31GFeneCtedthoseobjectivrs.The2012editionofASMEB31GwasapprovedbytheAmericanNationa1.StandardsInstitute(ANSI)onSeptember20,2012.InSMEB31G-2023fthenomenchture(xccpara,1.5)haxbeenrevixedandNonmandatoryAppendi
18、xAhasbeenadded.Fo1.1.owingapprova1.bytheASMEB31SundardsCommittee,SMEB31G*2023wasapprovedbyANSIasanAmericanNatk)na1.StandardonAugust3,2023.K.B.KjpUn.Consu1.tantWJMauro.RetiredKMeyer.CDMSmithIndimru1.DtV1.DOnT.Mondjy.TeamCndustncs.1.H1.Nayyar.ConsuItMitK0.TheAmericanSocietyofMcchinia1.EnxincersW.Obon.
19、Gu1.fIntcrstatrEnpnccrinD.W.VUhoi.CCM2000HIUn.ConMjItintR. K.Reamcy1TumrrIndUadeKGroUP.IJCM.J.RscMdaRS1.PiPdinCSdutions.U.CKT.Schmitz.Consu1.tantS. K.Sinha.SOC(HE：Enfgzrm心IncW.1.SperkozSpcrkoknpnccrin;ScnricE,tnc.F.W.Taur.ConsdtintK.AM1.m1.not.Commonwea1.thAsscc1.atcs;IncMEf1.Kdkcmicr.Omir.Cirp1.D.A
20、mcttVicrChr.ExxonMobtIRccrchandEnXirwfTinaR.fUh4N11d11,decretory.TeAmcrkanSociHydMethanka1.EnxjfVEG.A.AnUIk1.BcchtEMinrEnXCovInCR.Bhca.H11N2p0NewtSNpbuiIdinKD.,Fctxncr.RrtirCdD.I1.Fraser.NASAAmcsResearchCxntcr工A.GrJXUn0.ConwhaintD.Hart.SSD.IncR.W.HauptPressurePiPinXEnginecringAisodatcs.Inc.RP.Ho1.br
21、ook.Consu1.tintHK0Mwy4mt.Smo.IncT.Q.Mtcs.P1.1.CMBurkhartTbcBurkhartGroup.Inc.R.D.Gimpbc1.1.BrchtdJ.Cay1.or.Ciy1.orEnpnrcring&A”OCutrxP1.1.Cf.S.CMaTCEneryD.D.ChrhtUn,Yktz1.kR.P.Dctib1.cr.Bcchtf-nntfrinCo1.nME11dkc11tftcr.Q1.rKiICH.EkrMgc,JrBcchtEnotKrr1.MS.11cD.Frtzncr.RetiredD.I1.FrikkcctBcchtEnK1.n
22、CEn1.CCo,Inc.ItA.Grichuk.S&B1.nRbccrsIndCOnStnKtDrX1.tdR.W.HauptPressurePipingEngineering;uocutcs.IncG.A.Jo1.1.y.Simshin.1.td.B31MECHANICA1.DESIGNTECHNICA1.COMMITTEECORRESPONDENCEWITHTHEB31COMMITTEEGenera1.ASMEcodesand)iandrdsaredeve1.opedandmaintainedbycommitteeswiththeintenttorepresenttheconsensus
23、ofconcernedinterests.UsersofASMEcodesandstandardsmaycorrespondwiththecommitteestoproposerevisk)nsorcases,reporterrata,orrequestinterpretations.CorrespondenceforthisManua1.shou1.dbesenttothestaffsecretarynotedonthecommktee*swebpage,accessib1.eathttps:/gojisme.org/831comm1.ctee.RevisionsandErrata.Thec
24、ommitteeprocessesrevisionstothisManua1.onaContinuousbasistoincorporatechangesthatappearnecessaryordesirab1.easdemonstratedbytheexperiencegainedfromtheappIiait1.onoftheManua1.Approvedrevisionswi1.1.bepub1.ixhedinthenexteditionoftheManua1.Inaddition,thecommitteemayposterrataonthecommitteewebpage.Errat
25、abecomeeffectiveonthedateposted.Userscanregisteronthecommitteewebpagetoreceiveemai1.noti11cationsofpostederrata.ThisManuaIisah%*ayxopenForconunent.andthecommitteeespropo5forrevixicnsSuchproposa1.sxhou1.dbeasspccificaspossib1.e,citingtheparagraphnumbcr(三),thcproposedrding.andadetai1.eddescriptionofth
26、ereasonsfortheproposa1.,indudmgnypertinentbackgroundinformationandsupportingdocumentation.Cases(a) Themostmmo11app1.icationsforcasesarcf1.)topermitear1.yimp1.ementationofrevisionbasedonanurgentneed(2) toprovidea1.ternativerequirements(3) toa1.1.owuserstogainexperienceWStha1.ternativeorpotentia1.addi
27、tiona1.requirementspriortoIncorporationdirect1.yintotheManua1.(4) topermittheuse“newmateria!orprocess(b) Usersarccautionedthatnota1.1.jurisdictionsorownersautomatica1.1.yacceptcasesCasesarenottobeconsideredasapproving,recommending,certifying,orendorsinganyproprietaryorspecificdesign,oras1.imitingina
28、nywaythefreedomofmanufacturers,constructorsorownerstochooseanymethodofdesignoranyformofConstrvctionthatconformstotheManua1.(c) Aproposedcasesha1.1.bewrittenasaquestionandrep1.yintheumeformatasexistingcases.Theproposa1.如IiIn1.Soinc1.udethefo1.1.owinginformation:(!)astatementofneedandbackgroundinforma
29、tion(2) theurgencyofthecase(e.g.thecaseconcernsaprojectthatisunderwayorImminent)(3) theManua1.andtheparagraph,figure,ortab1.enumber(三)(4) theedition(三)oftheManua1.towhichtheproposedGISCapp1.ies(d) caseiseffetveforusewhenthepub1.icrevieprocesshasbeencomp1.etedandItISapprovedbythecognizantwpervixorybo
30、ard.Approvedaxesarepostedonthecommitteewebpage.Interpretations.Uponrequest,thecommitteewi1.1.issueanInterpretationofanyrequirementofthisManua1.ninterpretationcanbeissuedon1.yinresponsetoarequestsubmittedthroughtheon1.ineInterpretationSubmitta1.Formathttps:/gosmeorg/1.nterpretationRequest.Uponsubmitt
31、ingtheform,theinquirerwi1.1.receiveanautomatice-mai1.confirmingreceiptASMEdoesnotadasaconsu1.tantforspecificengineeringprob1.emsorforthegenera1.app1.icationOrundertUndingoftheManua1.requirements.If,basedontheinformationsubmitted,itistheopinionofthecommitteethattheinquirershou1.dseekassistance,thereq
32、uestWinbereturnedWtthther(*oommcndatk)nIhatsuchassistancebeObtainedJnqu1.rcrscantradethestatusoftheirrequestsathttpsgoj3sme.org/1.nterpre1.ations.ASMEprocedure%provideforreconsiderationofanyinterpretationwhenori(additiona1.informationthtmightaffectaninterpretationisavai1.ab1.e.Further,personsaggriev
33、edbyaninterpretationmayappea1.tothecognizantASMECommitteeorsubcommittee.ASMEdoesnoteapprovef-certify,*rate,*orendorse,anyitem,construction,proprietarydevice,oractivity.Interpretationsarepub1.ishcdintheASMEinterpretationsDatabascathttps:/go.asmc.org/1.nterprctationsastheyareIssued.CommitteeMeet1.n.Th
34、eB31StandardsComEineCregu1.ar1.yho1.dsmeetingsthatareopentothepub1.icPcrwnswishingtoattendanymeetingshou1.dcontactthesecretaryofthecommittee.Informationonfuturecommitteemeetingsanbefoundonthecommitteewebpageath11psgo.asme.orgB31com11Uttee.ASMEB31G-2023SUMMARYOFCHANGESFo1.1.owingapprova1.bytheASMEB31
35、GConunittccandASME.andafterpub1.icreview,ASMEB31G-2023wasapprovedbytheAmericanNationa1.StandardsInstituteonAugust3.2023.ASMEB31G*2023Inc1.udesthefo1.1.owingchangesidentifiedbya11urg1.nnote.(23).PWC1.ocationChangeI1.4Subparagraph（八）editoria1.1.yrevised215(1)Nomenc1.aturefor1.andZede1.eted(2)Nomencbtu
36、reforgadded41.10Insecondparagraph,referencesadded722Referencesedkoria1.1.yrevised723Secondparagraphandsubpara.(b)revised64NonmandatoryAppendixAddedINTENTIONA1.1.Y1.EFTB1.ANKMANUA1.FORDETERMININGTHEREMAININGSTRENGTHOFCORRODEDPIPE1.INES1 INTRODUCTION1.1.ScopeThisdocumentisintendedxo1.e1.y(orthepurpoxe
37、ofprovidingguidanceintheeva1.uationofmeta1.1.ossinpressurizedpipe1.inesandpipingsystems.Itisapp1.icab1.etoa1.1.pipe1.inesandpipingsystem%withinthescopeefthetransportationpipe1.inecodesthatarepartofASMEB31CodeforPressurePiping,name1.y:ASMEB31.4,PipdineTransportationSystemsfor1.iquidHydrocarbonsandOth
38、erquids;ASMEB3I.8,GasTransmissionandDistributionPipingSystems：ASMEB31.11fS1.urryTransportationPipingSystems;andASMEB31.12iHydrogenPipingandPipe1.ines,PartP1.Wherethetermepipe1.ine*isused,itmaya1.sobereadtoapp1.ytopipingorpipeconformingtotheacceptab1.eapp1.icationsandwithinthetechnica1.1.imitationsdiscussedbe1.vv.1.2 Acceptab1.eApp1.icationsTheapp1.icationofthisdocumentIs1.imitedtotheeva1.uationofwa1.1.1.o*winmeu1.pipewithinthefo1.1.owing1.imitations:(a) meta1.1.ossInpipen,se1.ectivecorrosion,orpreferenti
