BS EN 10307-2002 Non-destructive testing - Ultrasonic testing of austenitic and austentitic-ferritic stainless steels flat products of thickness equal to or greater than 6 mm (refl.pdf

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1、BRITISH STANDARD BS EN 10307:2001 Non-destructive testing Ultrasonic testing of austenitic and austenitic-ferritic stainless steels flat products of thickness equal to or greater than 6 mm (reflection method) The European Standard EN 10307:2001 has the status of a British Standard ICS 77.040.20; 77.

2、140.50 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN 10307:2001 This British Standard, having been prepared under the direction of the Engineering Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 2

3、0 March 2002 BSI 20 March 2002 ISBN 0 580 39295 3 National foreword This British Standard is the official English language version of EN 10307:2001. The UK participation in its preparation was entrusted to Technical Committee ISE/72, Methods of physical and metallographic testing, which has the resp

4、onsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section e

5、ntitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Comp

6、liance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related internationa

7、l and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 17 and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issue

8、d since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN10307 October2001 ICS77.040.20;77.140.50 Englishversion NondestructivetestingUltrasonictestingofausteniticand austeniticferriticstainlesssteelsflatproductsofthicknessequal toorgreaterthan6mm(reflectionmethod)

9、EssaisnondestructifsContrleparultrasonsdesproduits platsenacierinoxydableaustnitiqueetaustnoferritique dpaisseurgaleousuprieure6mm(mthodepar rflexion) ZerstrungsfreiePrfungUltraschallprfungvon Flacherzeugnissenausaustenitischemundaustenitisch ferritischemnichtrostendemStahlab6mmDicke (Reflexionsverf

10、ahren) ThisEuropeanStandardwasapprovedbyCENon30September2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational sta

11、ndardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe offic

12、ial versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCH

13、ESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN10307:2001EEN10307:2001(E) 2 Contents page Foreword3 1 Scope 4 2 Normativereferences 4 3 Termsanddefinitions. .4 4 Itemsforagreemen

14、ts .5 5 Principle5 6 Procedure .6 7 Personnelqualification . 7 8 Ultrasonictestequipment. 7 8.1 Instrument.7 8.2 Probe .7 8.3 Calibrationblocks 8 8.4 Referenceblocks .8 8.5 Couplant8 9 Routinecalibrationandchecking 8 10 Stageofmanufacture . .8 11 Surfacecondition .9 12 Sensitivitysetting 9 13 Scanni

15、ng.9 13.1 General9 13.2 Scanningspeed. .10 13.3 Testingoftheflatproductbody. 10 13.4 Testingoftheflatproductedges .10 14 Evaluationofdiscontinuities 10 14.1 Testingtheflatproductbody .11 14.2 Testingtheedges 11 15 Recordinglevelandacceptancecriteria .12 16 Testreport 14 AnnexA (informative) Listofeq

16、uivalenttermsinseveralEuropeanlanguages 16 Bibliography 17EN10307:2001(E) 3 Foreword ThisEuropeanStandardhasbeenpreparedbyTechnicalCommitteeECISS/TC2“SteelPhysicochemicaland nondestructivetesting“,thesecretariatofwhichisheldbyAFNOR. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,either

17、bypublicationofanidenticaltextor byendorsement,atthelatestbyApril2002,andconflictingnationalstandardsshallbewithdrawnatthelatestby April2002. AnnexAisinformative. ThisstandardincludesaBibliography. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countries

18、areboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden, SwitzerlandandtheUnitedKingdom.EN10307:2001(E) 4 1Scope ThisEuropeanStandarddescribesamethodfortheultrasonictestingo

19、funcoatedflatausteniticandaustenitic ferriticstainlesssteelproductforinternaldiscontinuities.Itisapplicabletoflatproductinnominalthicknessrangeof 6 mmto200 mm.Mechanised,semiautomaticorautomatictechniquesmaybeusedbutshouldbeagreed betweenthepurchaserandthesupplier. Thisstandardalsodefines3qualitycla

20、ssesfortheflatproductbody(classesS 1 ,S 2 andS 3 )and4qualityclasses (E 1 ,E 2 ,E 3 ,E 4 )fortheedgesinaccordancewiththecriteriaspecifiedinclause12. Othermethodsoftesting,e.g.bytransmissiontechniqueorothertestequipmentsmaybeusedatthe manufacturersdiscretionprovidedthattheygiveequivalentresultstothos

21、eobtainedundertheconditionsofthis standard.Intheeventofadispute,onlythemethoddefinedinthisstandardprevails. Testingofflatproductofthicknesslessthan6mmmaybethesubjectofspecialagreementsbetweentheparties concerned. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisi

22、onsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthe

23、latesteditionofthe publicationreferredtoapplies(includingamendments). EN473, Nondestructivetesting QualificationandcertificationofNDTpersonnelGeneralprinciples. EN5832, NondestructivetestingUltrasonicexaminationPart2:Sensitivityandrangesetting. EN5835, NondestructivetestingUltrasonicexaminationPart5

24、:Characterizationandsizingofdiscontinuities. EN13304, NondestructivetestingTerminologyPart4:Termsusedinultrasonictesting. EN12223 ;NondestructivetestingUltrasonicexamination Specificationforcalibrationblockn1. EN126681, NondestructivetestingCharacterizationandverificationofultrasonicexaminationequip

25、mentPart 1:Instruments . EN126682, NondestructivetestingCharacterizationandverificationofultrasonicexaminationequipmentPart 2:Probes . EN126683, NondestructivetestingCharacterizationandverificationofultrasonicexaminationequipmentPart 3:Combinedequipment. 3 Termsanddefinitions Definitionsforgeneralte

26、rmsofnondestructivetestingcanbefoundinotherEuropeanStandards,e.g.EN13301 andEN13302.ForthepurposesofthisEuropeanStandard,thetermsanddefinitionsgiveninEN13304apply, togetherwiththefollowing: 3.1 internaldiscontinuity anyimperfectionlyingwithinthethicknessoftheflatproduct,e.g.planarorlaminarimperfecti

27、on,singleplaneor multiplaneinclusionbandsorclusters NOTE Itisreferredinthetextasdiscontinuity.EN10307:2001(E) 5 3.2 defect internaldiscontinuity,exceedingthespecifiedmaximumsizeorpopulationdensitylimits 3.3 populationdensity thenumberofindividualinternaldiscontinuitiesofasizegreaterthanaspecifiedmin

28、imumsizeandlessthana specifiedmaximumsizeperspecifiedareaofbodyorlengthofedgezone 3.4 manualtesting testingbyanoperatorapplyinganultrasonicprobe,orprobes,totheflatproductsurface,manuallyexecutingthe appropriatescanningpatternontheflatproductsurfaceandassessingultrasonicsignalindicationsonthe electro

29、nicequipmentscreeneitherbydirectviewingorbybuiltinsignalamplitudealarmdevices 3.5 automaticandsemiautomatictesting testingusingamechanizedmeansofapplyingtheultrasonicprobeorprobesto,andexecutingtheappropriate scanningpatternontheproductsurface,togetherwithultrasonicsignalindicationevaluationbyelectr

30、onicmeans NOTE Suchtestingcanbeeitherfullyautomaticwithnooperatorinvolvement,orsemiautomaticwhentheoperator performsbasicequipmentoperationfunctions. AlistofequivalenttermsinseveralEuropeanlanguagesisgiveninannexA. 4 Itemsforagreements Thefollowingaspectsconcerningultrasonictestingshallbeagreedbetwe

31、enthepurchaserandsupplieratthetime oftheenquiryororder: a) themanufacturingstage(s)atwhichultrasonictestingshallbeperformed(seeclause10); b) thevolume(s)tobetestedandwhethergridscanningcoverageorcompletescanningcoverageisrequired (seeclause13); c) theQualityClassrequired,ortheQualityClassesandthezon

32、estowhichtheyapply(seeclause15); d) theapplicablerecordinglevelandacceptancecriteriaifdifferentfromthosedetailedinTables3to5; e) whetheranyspecialscanningcoverage,equipmentorcouplantisrequiredinadditiontothatdetailedin clauses8and13; f) thescanningtechniquetobeusedifnotmanual; g) thetechniquestoeval

33、uatediscontinuities(seeclause15); h) thetechnique(s)tobeusedforsettingsensitivity(seeclause12); i) whetherthetestistobeconductedinthepresenceofthepurchaserorhisrepresentative; j) whetherawrittenprocedureshallbesubmittedforapprovalbythepurchaser(seeclause6). 5Principle Themethodusedisbasedonthereflec

34、tionofultrasonicwaves(generallylongitudinal),thedirectionofwhichis approximatelyperpendiculartothesurfaceoftheproduct.Theexaminationconsistsof:EN10307:2001(E) 6 a) locatingandevaluationofdiscontinuitybycomparingtheamplitudeofthediscontinuityechowiththeamplitude oftheechoofaflatbottomedholeofagivendi

35、ameterandlocatedatthesamedepthasthediscontinuity. NOTE Onlythosediscontinuitiesgivinganechoamplitudeequalorgreaterthanthatobtainedwiththereferenceflat bottomedholearetakenintoconsideration; b) determiningtheareaofthediscontinuityaccordingtothe6dBbeamwidthtechnique.Thewidthofthe discontinuityshallbed

36、eterminedperpendiculartotherollingdirection.Thelengthshallbedeterminedinthe rollingdirection. Ifareaswithparticularpermeabilityarelocated,thetestingconditionsshallbeadjustedinordertotesttheseareas withtherequiredsensitivitylevel. Theexaminationiscarriedoutduringthefirstultrasonicscan(firstbackwallec

37、ho)foralltheproductthicknesses andfromonesideonly. 6Procedure Theinspectionisnormallycarriedoutintheplaceofproductionoronthepremisesofthesupplier.Ifspecifiedon theorder,theinspectionmaytakeplaceinthepresenceofthepurchaserorhisrepresentative 1) . Ultrasonictestingshallbeperformedinaccordancewithawrit

38、tenprocedure.Wherespecifiedintheenquiryor order,thewrittenprocedureshallbesubmittedtothepurchaserforapprovalpriortotesting. Thiswrittenprocedureshallbeintheformof: a) aproductspecification;or b) aprocedurewrittenspecificallyfortheapplication;or c) thisEuropeanStandardmaybeusedifitisaccompaniedbyexam

39、inationdetailsspecifictotheapplication. Theprocedureshallcontainthefollowingdetailsasaminimumrequirement: a) descriptionoftheitemtobeexamined; b)reference documents ; c) qualificationandcertificationofexaminationpersonnel; d) stageofmanufactureatwhichtheexaminationiscarriedout; e) examinationzonessp

40、ecifiedintermsoftheapplicableQualityClasses; f) anyspecialpreparationofscanningsurfaces,ifapplicable; g)couplant ; h) descriptionofexaminationequipment; i) calibration; j)scanning plan ; k) descriptionandsequenceofexaminationoperations; l) recordinglevels; 1) Inthiscase,allstepsshouldbetakentoensure

41、thattheproductionprocessisnotdisturbed.EN10307:2001(E) 7 m) characterisationofdiscontinuities; n) acceptancecriteria; o)examination report. 7Personnel qualification Itisassumedthatultrasonictestingisperformedbyqualifiedandcapablepersonnel.Inordertoprovethis qualification,itisrecommendedtocertifythep

42、ersonnelinaccordancewithEN473orequivalent. 8 Ultrasonictestequipment 8.1Instrument InstrumentformanualtestingshallfeatureAscanpresentationandshallcomplywiththerequirementsof EN126681. 8.2Probe 8.2.1General TheprobesformanualtestingshallconformtotherequirementsofEN126682. Theprobeshallhaveafrequencya

43、nddimensionssuchthattherequiredsensitivitycanbesecuredthroughoutthe extentofthetestfield. Thesingletransducerprobesshallbesuchthattheirdeadzoneisassmallaspossible,i.e.15%oftheproduct thicknessor15mmwhicheveristhesmaller.Thefocusingzoneofthedoubletransducerprobesshallbeadapted totheproductthickness. 8.2.2 Nominalfrequency Theprobesshallhaveanominalfrequencyintherangeof1MHzto5MHz.Probesofanominalfrequencythatis outsidetherangeof1MHzto5MHzmaybeusedforautomaticorsemiautomatictestingand/orwhentheproduct exhibitshighattenuationprovidedthatthemain