EN-ISO-5817-2014

EUROPEANSTANDARDNORMEEUROPÉENNEEUROPÄISCHENORMENISO5817February2014ICS25.160.40SupersedesENISO5817:2007EnglishVersionWelding-Fusion-weldedjointsinsteel,nickel,titaniumandtheiralloys(beamweldingexcluded)-Qualitylevelsforimperfections(ISO5817:2014)Soudage-Assemblagesenacier,nickel,titaneetleursalliagessoudésparfusion(soudageparfaisceauexclu)-Niveauxdequalitéparrapportauxdéfauts(ISO5817:2014)Schweißen-SchmelzschweißverbindungenanStahl,Nickel,TitanundderenLegierungen(ohneStrahlschweißen)-BewertungsgruppenvonUnregelmäßigkeiten(ISO5817:2014)ThisEuropeanStandardwasapprovedbyCENon4January2014.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheCEN-CENELECManagementCentreortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCEN-CENELECManagementCentrehasthesamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,Bulgaria,Croatia,Cyprus,CzechRepublic,Denmark,Estonia,Finland,FormerYugoslavRepublicofMacedonia,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal,Romania,Slovakia,Slovenia,Spain,Sweden,Switzerland,TurkeyandUnitedKingdom.EUROPEANCOMMITTEEFORSTANDARDIZATIONCOMITÉEUROPÉENDENORMALISATIONEUROPÄISCHESKOMITEEFÜRNORMUNGCEN-CENELECManagementCentre:AvenueMarnix17,B-1000Brussels©2014CENAllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENnationalMembers.Ref.No.ENISO5817:2014EBSENISO5817:2014ENISO5817:2014(E)3ForewordThisdocument(ENISO5817:2014)hasbeenpreparedbyTechnicalCommitteeISO/TC44“Weldingandalliedprocesses”incollaborationwithTechnicalCommitteeCEN/TC121“Welding”thesecretariatofwhichisheldbyDIN.ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextorbyendorsement,atthelatestbyAugust2014,andconflictingnationalstandardsshallbewithdrawnatthelatestbyAugust2014.Attentionisdrawntothepossibilitythatsomeoftheelementsofthisdocumentmaybethesubjectofpatentrights.CEN[and/orCENELEC]shallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights.ThisdocumentsupersedesENISO5817:2007.AccordingtotheCEN-CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowingcountriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,Bulgaria,Croatia,Cyprus,CzechRepublic,Denmark,Estonia,Finland,FormerYugoslavRepublicofMacedonia,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal,Romania,Slovakia,Slovenia,Spain,Sweden,Switzerland,TurkeyandtheUnitedKingdom.EndorsementnoticeThetextofISO5817:2014hasbeenapprovedbyCENasENISO5817:2014withoutanymodification.BSENISO5817:2014ISO5817:2014(E)©ISO2014–AllrightsreservediiiContentsPageForeword........................................................................................................................................................................................................................................ivIntroduction..................................................................................................................................................................................................................................v1Scope.................................................................................................................................................................................................................................12Normativereferences......................................................................................................................................................................................13 Terms and definitions.....................................................................................................................................................................................24Symbols..........................................................................................................................................................................................................................35Assessmentofimperfections...................................................................................................................................................................4AnnexA(informative)Examplesofdeterminationofpercentage(%)porosity.................................................21AnnexB(informative)AdditionalinformationandguidelinesforuseofthisInternationalStandard...............................................................................................................................................................................23AnnexC(informative)Additionalrequirements