BS EN 10246-7-2005 Non-destructive testing of stee

BRITISHSTANDARDBSEN10246-7:2005Non-destructivetestingofsteeltubes—Part7:Automaticfullperipheralultrasonictestingofseamlessandwelded(exceptsubmergedarcwelded)tubesforthedetectionoflongitudinalimperfectionsTheEuropeanStandardEN10246-7:2005hasthestatusofaBritishStandardICS23.040.10;77.040.20  BSEN10246-7:2005ThisBritishStandardwaspublishedundertheauthorityoftheStandardsPolicyandStrategyCommitteeon30December2005©BSI30December2005ISBN0580473864NationalforewordThisBritishStandardistheofficialEnglishlanguageversionofEN10246-7:2005.ItsupersedesBSEN10246-7:1996whichiswithdrawn.TheUKparticipationinitspreparationwasentrustedbyTechnicalCommitteeISE/73,Steelforpressurepurposes,toSubcommitteeISE/73/1,Steeltubesforpressurepurposes,whichhastheresponsibilityto:—aidenquirerstounderstandthetext;—presenttotheresponsibleinternational/Europeancommitteeanyenquiriesontheinterpretation,orproposalsforchange,andkeepUKinterestsinformed;—monitorrelatedinternationalandEuropeandevelopmentsandpromulgatethemintheUK.Alistoforganizationsrepresentedonthissubcommitteecanbeobtainedonrequesttoitssecretary.Cross-referencesTheBritishStandardswhichimplementinternationalorEuropeanpublicationsreferredtointhisdocumentmaybefoundintheBSICatalogueunderthesectionentitled“InternationalStandardsCorrespondenceIndex”,orbyusingthe“Search”facilityoftheBSIElectronicCatalogueorofBritishStandardsOnline.Thispublicationdoesnotpurporttoincludeallthenecessaryprovisionsofacontract.Usersareresponsibleforitscorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,theENtitlepage,pages2to11andabackcover.TheBSIcopyrightnoticedisplayedinthisdocumentindicateswhenthedocumentwaslastissued.AmendmentsissuedsincepublicationAmd.No.DateCommentsEUROPEANSTANDARDNORMEEUROPÉENNEEUROPÄISCHENORMEN10246-7October2005ICS23.040.10;77.040.20SupersedesEN10246-7:1996EnglishVersionNon-destructivetestingofsteeltubes-Part7:Automaticfullperipheralultrasonictestingofseamlessandwelded(exceptsubmergedarcwelded)tubesforthedetectionoflongitudinalimperfectionsEssaisnondestructifsdestubesenacier-Partie7:Contrôleautomatiqueparultrasonssurtoutelacirconférencedestubesenaciersanssoudureetsoudés(saufàl'arcimmergésousfluxenpoudre)pourladétectiondesimperfectionslongitudinalesZerstörungsfreiePrüfungvonStahlrohren-Teil7:AutomatischeUltraschallprüfungnahtloserundgeschweißter(ausgenommenunterpulvergeschweißter)StahlrohreüberdengesamtenRohrumfangzumNachweisvonLängsfehlernThisEuropeanStandardwasapprovedbyCENon26August2005.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal,Slovakia,Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdom.EUROPEANCOMMITTEEFORSTANDARDIZATIONCOMITÉEUROPÉENDENORMALISATIONEUROPÄISCHESKOMITEEFÜRNORMUNGManagementCentre:ruedeStassart,36B-1050Brussels©2005CENAllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENnationalMembers.Ref.No.EN10246-7:2005:EEN10246-7:2005(E)2ContentsForeword..................................................................................................................................................................31Scope...........................................................................................................................................................42Generalrequirements.................................................................................................................................43Methodoftest.............................................................................................................................................44Referencestandards...................................................................................................................................54.1General........................................................................................................................................................54.2Typesofreferencenotches........................................................................................................................54.3Dimensionsofreferencenotches..............................................................................................................64.4Verification......