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
