1、BRITISH STANDARD BS EN 10306:2002 Iron and steel Ultrasonic testing of H beams with parallel flanges and IPE beams The European Standard EN 10306:2001 has the status of a British Standard ICS 77.040.20 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN 10306:2002 This Britis
2、h 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 26 February 2002 BSI 26 February 2002 ISBN 0 580 39177 9 National foreword This British Standard is the of
3、ficial English language version of EN 10306:2001. The UK participation in its preparation was entrusted to Technical Committee ISE/72, Methods of physical and metallographic testing, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to
4、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 entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI
5、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. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enqui
6、rers 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 international and European developments and promulgate them in the UK. Summary of pages This document comprises
7、 a front cover, an inside front cover, the EN title page, pages 2 to 14, an inside back cover and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUR
8、OPISCHENORM EN10306 December2001 ICS77.040.20;77.140.70 Englishversion IronandsteelUltrasonictestingofHbeamswithparallel flangesandIPEbeams ProduitssidrurgiquesContrleparultrasonsdes poutrelleslargesailesfacesparalllesetdespoutrelles IPE EisenundStahlUltraschallprfungvonHProfilenmit parallelenFlansc
9、henundIPEProfilen ThisEuropeanStandardwasapprovedbyCENon30September2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchn
10、ational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatus
11、asthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATIO
12、N EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN10306:2001EEN10306:2001(E) 2 Contents page Foreword3 1 Scope 4 2 Normativereferences 4 3 Termsanddefinitions. .4 4 Items
13、foragreements .5 5 Principle5 6 Procedure .5 7 Personnelqualification . 6 8 Ultrasonictestequipment. 6 8.1 Instrument.6 8.2 Probe .7 8.3 Calibrationblocks 7 8.4 Referenceblocks .7 8.5 Couplant7 9 Routinecalibrationandchecking 7 10 Stageofmanufacture . .7 11 Surfacecondition .8 12 Sensitivitysetting
14、8 13 Scanning.8 13.1 General8 13.2 Testingofthebeams . 10 13.3 Scanningspeed. .10 14 Evaluationofdiscontinuities 10 15 Recordinglevelandacceptancecriteria .10 16 Testreport 11 AnnexA (informative) ListofequivalenttermsinseveralEuropeanlanguages .13 Bibliography 14EN10306:2001(E) 3 Foreword ThisEurop
15、eanStandardhasbeenpreparedbyTechnicalCommitteeECISS/TC2“SteelPhysicochemicaland nondestructivetesting“,thesecretariatofwhichisheldbyAFNOR. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyJune2002,andconflictingnationalsta
16、ndardsshallbewithdrawnatthelatestby June2002. AnnexAisinformative. ThisstandardincludesaBibliography. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Ge
17、rmany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden, SwitzerlandandtheUnitedKingdom.EN10306:2001(E) 4 1Scope ThisEuropeanStandardspecifiesareflectionmethodfortheultrasonictestingofHbeamswithparallelflanges andIPEbeamsforthedetectionofpresenceofinternaldiscontinuiti
18、es.Mechanised,semiautomaticorautomatic techniquesmaybeusedbutshouldbeagreedbetweenthepurchaserandthesupplier. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetext,andthepublica
19、tionsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). EN473, Nondestructivetesting Qua
20、lificationandcertificationofNDTpersonnelGeneralprinciples. EN5832, NondestructivetestingUltrasonicexaminationPart2:Sensitivityandrangesetting. EN5835, NondestructivetestingUltrasonicexaminationPart5:Characterizationandsizingofdiscontinuities. EN13304, NondestructivetestingTerminologyPart4:Termsusedi
21、nultrasonictesting. EN12223, Nondestructivetesting UltrasonicexaminationSpecificationforcalibrationblockn1. EN126681,NondestructivetestingCharacterizationandverificationofultrasonicexaminationequipment Part1:Instruments. EN126682,NondestructivetestingCharacterizationandverificationofultrasonicexamin
22、ationequipment Part2:Probes. EN126683,NondestructivetestingCharacterizationandverificationofultrasonicexaminationequipment Part3:Combinedequipment. 3 Termsanddefinitions DefinitionsforgeneraltermsofnondestructivetestingcanbefoundinotherEuropeanStandards,e.g.EN13301 andEN13302.ForthepurposesofthisEur
23、opeanStandard,thetermsanddefinitionsgiveninEN13304apply, togetherwiththefollowing: 3.1 manualtesting testingbyanoperatorapplyinganultrasonicprobe,orprobes,totheflatproductsurface,manuallyexecutingthe appropriatescanningpatternontheflatproductsurfaceandassessingultrasonicsignalindicationsonthe electr
24、onicequipmentscreeneitherbydirectviewingorbybuiltinsignalamplitudealarmdevices 3.2 automaticandsemiautomatictesting testingusingamechanisedmeansofapplyingtheultrasonicprobeorprobesto,andexecutingtheappropriate scanningpatternontheflatproductsurface,togetherwithultrasonicsignalindicationevaluationbye
25、lectronic means NOTE Suchtestingcanbeeitherfullyautomaticwithnooperatorinvolvement,orsemiautomaticwhentheoperator performsbasicequipmentoperationfunctions AlistofequivalenttermsinseveralEuropeanlanguagesisgiveninannexA.EN10306:2001(E) 5 4 Itemsforagreements Thefollowingaspectsconcerningultrasonictes
26、tingshallbeagreedbetweenthepurchaserandsupplieratthetime oftheenquiryororder: a) themanufacturingstage(s)atwhichultrasonictestingshallbeperformed(seeclause10); b) thesoundingplan(seeclause13); c) theQualityClassrequired,ortheQualityClassesandthezonestowhichtheyapply(seeclause15); d) theapplicableeva
27、luationlevelandacceptancecriteriaifdifferentfromthosedetailedinTables1and2; e) whetheranyspecialscanningcoverage,equipmentorcouplantisrequiredinadditiontothatdetailedin clauses8and13; f) thescanningtechniquetobeusedifnotmanual; g) thetechnique(s)tobeusedforsettingsensitivity(seeclause12); h) whether
28、thetestistobeconductedinthepresenceofthepurchaserorhisrepresentative; i) whetherawrittenprocedureshallbesubmittedforapprovalbythepurchaser(seeclause6). 5Principle Themethodusedisbasedonthereflectionofultrasonicwaves(generallylongitudinal),thedirectionofwhichis approximatelyperpendiculartothesurfaceo
29、ftheproduct.Theexaminationconsistsof: a) locatingandevaluationofdiscontinuitybycomparingtheamplitudeofthediscontinuityechowiththeamplitude oftheechoofflatbottomedholeofagivendiameterandlocatedatthesamedepthasthediscontinuity; NOTE Onlythosediscontinuitiesgivinganechoamplitudeequaltoorgreaterthanthat
30、obtainedwiththereferenceflat bottomedholearetakenintoconsideration. b) determiningtheareaofthediscontinuityaccordingtothe6dBbeamwidthtechnique.Thewidthofthe discontinuityshallbedeterminedperpendiculartotherollingdirection.Thelengthshallbedeterminedinthe rollingdirection. Theexaminationiscarriedoutwi
31、thadoubletransducerprobeduringthefirstultrasonicscan(firstbackwallecho) andfromonesideonly. 6Procedure Theinspectionisnormallycarriedoutintheplaceofproductionoronthepremisesofthesupplier.Ifspecifiedon theorder,theinspectionmaytakeplaceinthepresenceofthepurchaserorhisrepresentative 1) . Ultrasonictes
32、tingshallbeperformedinaccordancewithawrittenprocedure.Wherespecifiedintheenquiryor order,thewrittenprocedureshallbesubmittedtothepurchaserforapprovalpriortotesting. 1) Inthiscase,allstepsshouldbetakentoensurethattheproductionprocessisnotdisturbed.EN10306:2001(E) 6 Thiswrittenprocedureshallbeinthefor
33、mof: a) aproductspecification;or, b) aprocedurewrittenspecificallyfortheapplication;or, c) thisEuropeanStandardmaybeusedifitisaccompaniedbyexaminationdetailsspecifictotheapplication. Theprocedureshallcontainthefollowingdetailsasaminimumrequirement: a) descriptionoftheitemtobeexamined; b)reference do
34、cuments ; c) qualificationandcertificationofexaminationpersonnel; d) stageofmanufactureatwhichtheexaminationiscarriedout; e) examinationzonesspecifiedintermsoftheapplicableQualityClasses; f) anyspecialpreparationofscanningsurfaces,ifapplicable; g)couplant ; h) descriptionofexaminationequipment; i) c
35、alibration; j) scanningplan; k) descriptionandsequenceofexaminationoperations; l) recordinglevels; m) characterisationofdiscontinuities; n) acceptancecriteria; o)examination report. 7Personnel qualification Itisassumedthatultrasonictestingisperformedbyqualifiedandcapablepersonnel.Inordertoprovethis
36、qualification,itisrecommendedtocertifythepersonnelinaccordancewithEN473orequivalent. 8 Ultrasonictestequipment 8.1Instrument TheinstrumentformanualtestingshallfeatureAscanpresentationandshallcomplywiththerequirementsof EN126681.EN10306:2001(E) 7 8.2Probe 8.2.1General Thedoubletransducerprobestobeuse
37、dformanualtestingshallconformtotherequirementsofEN126682. Additionally,othertypesofprobesmaybeused.SuchsupplementaryprobesneednotcomplywithEN126682 requirements. 8.2.2 Nominalfrequency Probesshallhaveanominalfrequencyintherangefrom2MHzto5MHz. 8.2.3 Typeofprobe Thegreatesttransducerdimensionshallbein
38、therangefrom9mmto25mmunlessotherwiseagreed. 8.3 Calibrationblocks CalibrationblocksshallconformtotherequirementsdetailedinEN12223. 8.4Reference blocks Referenceblocksshallbemadefromamaterialhavingsimilaracousticpropertiestotheproducttobeexamined. Thesurfaceconditionofthereferenceblockshallberepresen
39、tativeofthesurfaceconditionoftheproducttobe examined.Unlessotherwisespecifiedthereferenceblockshallcontainatleastthreereflectorscoveringtheentire depthrangeunderexamination. Theformofthereferenceblockwilldependupontheapplication. Thebottomoftheholesshallbeasflatapracticable,paralleltotheultrasounden
40、trysurfaceandfreefrompitsor scoremarksthatsignificantlydegradeitsultrasonicreflectivity.Thetolerancesonthediameteroftheflatbottomed holeorwidthofrecessshallbe5%. 8.5Couplant Thecouplantusedshallbeappropriatetotheapplication.Thesametypeofcouplantshallbeusedforcalibration, settingsensitivity,scanninga
41、ndevaluationofdiscontinuities. Afterexamination,couplantshallberemovedifitspresencecouldadverselyaffectlatermanufacturingor inspectionoperationsortheintegrityoftheproduct. NOTE Waterisnormallyusedbutothercouplingmediamaybeusedatthediscretionofthesupplier. 9 Routinecalibrationandchecking Thecombinede
42、quipment(instrumentandprobes)formanualtestingshallbecalibratedandcheckedin accordancewiththerequirementsdetailedinEN126683. 10 Stageofmanufacture Ultrasonictestingshallbeperformedinthedeliveryconditionunlessotherwiseagreedatthetimeofenquiryand order.EN10306:2001(E) 8 11Surface condition Theproductsa
43、renormallyexaminedwithoutanyspecialsurfacepreparation.Scanningsurfacesshallbefreefrom paint,nonadheringscale,drycouplant,surfaceirregularitiesoranyothersubstancewhichcouldreducecoupling efficiency,hinderthefreemovementoftheprobeorcauseerrorsininterpretation.Thesurfaceconditionshallbe consideredacceptableprovidingthespecifiedqualityclasscanbeachieved. 12 Sensitivitysetting Calibrationoftheultrasonictestequipmentforuseparticularlyrequiresthatthetimebase,powerandamplification bedeterminedaccordingtoEN5832. Thetimebaseiscalibratedtoavalueatwhicht
