BS EN 10229-1998 钢制品抗氢敏感裂纹（HIC）的评定方法

|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||BRITISHSTANDARDBSEN10229:1998TheEuropeanStandardEN10229:1998hasthestatusofaBritishStandardICS77.060NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAWEvaluationofresistanceofsteelproductstohydrogeninducedcracking(HIC)©BSI1998ISBN0580297985BSEN10229:1998AmendmentsissuedsincepublicationAmd.No.DateTextaffectedNationalforewordThisBritishStandardistheEnglishlanguageversionofEN10229:1998.TheUKparticipationinitspreparationwasentrustedtoTechnicalCommitteeISE/72,Methodsofphysicalandmetallographictesting,whichhastheresponsibilityto:Ðaidenquirerstounderstandthetext;ÐpresenttotheresponsibleEuropeancommitteeanyenquiriesontheinterpretation,orproposalsforchange,andkeeptheUKinterestsinformed;ÐmonitorrelatedinternationalandEuropeandevelopmentsandpromulgatethemintheUK.Alistoforganizationsrepresentedonthiscommitteecanbeobtainedonrequesttoitssecretary.Cross-referencesTheBritishStandardswhichimplementinternationalorEuropeanpublicationsreferredtointhisdocumentmaybefoundintheBSIStandardsCatalogueunderthesectionentitledªInternationalStandardsCorrespondenceIndexº,orbyusingtheªFindºfacilityoftheBSIStandardsElectronicCatalogue.ABritishStandarddoesnotpurporttoincludeallthenecessaryprovisionsofacontract.UsersofBritishStandardsareresponsiblefortheircorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,theENtitlepage,pages2to9andabackcover©1998CENAllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENnationalMembers.Ref.No.EN10229:1998EEUROPEANSTANDARDEN10229NORMEEUROPEÂENNEEUROPAÈISCHENORMMarch1998ICS77.060Descriptors:Tests,crackingtests,estimation,cracking(fracturing),crackpropagation,definitions,testspecimen,procedureEnglishversionEvaluationofresistanceofsteelproductstohydrogeninducedcracking(HIC)EvaluationdelareÂsistancedesproduitsenacieraÁlafissurationinduiteparl'hydrogeÁne(HIC)BewertungderBestaÈndigkeitvonStahlerzeugnissengegenwasserstoffinduzierteRiûbildung(HIC)ThisEuropeanStandardwasapprovedbyCENon2March1998.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom.©BSI1998ForewordThisEuropeanStandardhasbeenpreparedbyTechnicalCommitteeECISS/TC1,SteelsÐMechanicalandphysicaltests,thesecretariatofwhichisheldbyAFNOR.ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextorbyendorsement,atthelatestbySeptember1998,andconflictingnationalstandardsshallbewithdrawnatthelatestbySeptember1998.AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowingcountriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandtheUnitedKingdom.ContentsPageForeword2Introduction31Scope32Definitions32.1sample32.2testpiece32.3section32.4crack32.5hydrogeninducedcrack32.6separationbetweencracks32.7isolatedcrack32.8cracksystem32.9extentofcracking32.10stepwisecrack33Principleofthemethod34Testsolutions44.1TestsolutionA44.2TestsolutionB(syntheticseawater)44.3Volumeratio44.4Reagentpurity45Apparatus46TestPieces46.1Locationandorientation46.2Size46.3Preparation57Testprocedure57.1Testbatch57.2Degreasing57.3Testpieceexposure57.4De-aerationandsaturation57.5Testperiod58Evaluationoftestpieces58.1Blisters58.2Testpiecesectioning58.3Preparationofsections58.4Evaluationofcracking69Ratiocalculations610Testreport6©BSI1998IntroductionTheneed,today,todrilldeepertofindoilandnaturalgasandtheproceduresthatarebeingusedinmanyfieldstoenhanceoilandgasrecoveryareresultinginanincreaseworldwideinthenumberoffieldsconsidered``sour''.Thisinturnisleadingtoanincreasingdemandfromoilcompaniesforsteelsresistanttosourconditions.Flowlinesorgatheringpipelines