1、BRITISH STANDARD BS EN ISO 17652-3:2003 Welding Test for shop primers in relation to welding and allied processes Part 3: Thermal cutting The European Standard EN ISO 17652-3:2003 has the status of a British Standard ICS 25.160.10 BS EN ISO 17652-3:2003 This British Standard was published under the
2、authority of the Standards Policy and Strategy Committee on 22 May 2003 BSI 22 May 2003 ISBN 0 580 41918 5 National foreword This British Standard is the official English language version of EN ISO 17652-3:2003. It is identical with ISO 17652-3:2003. The UK participation in its preparation was entru
3、sted to Technical Committee WEE/42, Prefabrication primers, which has the responsibility 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
4、 this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a
5、 contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or propos
6、als 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 a front cover, an inside front cover, the EN ISO title page, pages 2 to 9 and a back cover. The BSI copyright date displ
7、ayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM ENISO176523 May2003 ICS25.160.10 Englishversion WeldingTestforshopprimersinrelationtoweldingandallied processesPart3:Thermalcutt
8、ing(ISO176523:2003) SoudageEssaisurpeinturesprimairesenrelationavecle soudageetlestechniquesconnexesPartie3:Coupage thermique(ISO176523:2003) SchweienPrfungvonFertigungsbeschichtungenfr dasSchweienundfrverwandteProzesseTeil3: ThermischesSchneiden(ISO176523:2003) ThisEuropeanStandardwasapprovedbyCENo
9、n12December2002. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManageme
10、ntCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandar
11、dsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Slovakia,Spain,Sweden,SwitzerlandandUn ited Kingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG M
12、anagementCentre:ruedeStassart,36B1050Brussels 2003CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.ENISO176523:2003EENISO176523:2003(E) 2 Contents page Foreword. 3 1 Scope 4 2 Normativereferences 4 3 Termsanddefinitions. 4 4 Procedure. 4 4.1 Preparatio
13、noftestpieces 4 4.2 Acceptancecriteriaforcuts . 5 4.3 Cuttingdata . 5 4.4 Initialcuttingoftestplatewithoutshopprimer. 5 4.5 Cuttingoftestplate(s)withshopprimer. . 6 4.6 Finalcuttingoftestplatewithoutshopprimer. . 6 5 Assessmentofresults . . 7 6 Testreports 8 AnnexZA (informative) CorrespondingIntern
14、ationalandEuropeanStandardsforwhichequivalents arenotgiveninthetext 9ENISO176523:2003(E) 3 Foreword Thisdocument(ENISO176523:2003)hasbeenpreparedbyTechnicalCommitteeCEN/TC121“Welding“,the secretariatofwhichisheldbyDS,incollaborationwithTechnicalCommitteeISO/TC44“Weldingandallied processes”. ThisEuro
15、peanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyNovember2003andconflictingnationalstandardsshallbewithdrawnatthelatest byNovember2003. ENISO17652consistsofthefollowingparts,underthegeneraltitle: WeldingTestforshopprimersinrelatio
16、nto weldingandalliedprocesses: Part1:Generalrequirements Part2:Weldingpropertiesofshopprimers Part3:Thermalcutting Part4:Emissionoffumesandgases AnnexZAisinformative. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropean
17、Standard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal, Slovakia,Spain,Sweden,SwitzerlandandtheUnitedKingdom.ENISO176523:2003(E) 4 1 Scope ThispartofthisEuropeanStandardspecifiesatestmethodfordeterminat
18、ionofashopprimersinfluenceonthe maximumspeedusableforthermalcutting. Forprecautionforprotectionofhealth,safetyandenvironmentduringtesting,seeENISO176521. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesareciteda
19、ttheappropriateplacesinthetext,andthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includinga
20、mendments). EN10025, Hotrolledproductsofnonalloystructuralsteels Technicaldeliveryconditions. EN10238, Automaticallyblastcleanedandautomaticallyprefabricatedprimedstructuralsteelproducts. ENISO2808, PaintsandvarnishesDeterminationoffilmthickness(ISO2808:1997). ENISO85011:1988 ,Preparationofsteelsubs
21、tratesbeforeapplicationofpaintsandrelatedproductsVisual assessmentofsurfacecleanlinessPart1:Rustgradesandpreparationgradesofuncoatedsteelsubstratesandof steelsubstratesafteroverallremovalofpreviouscoatings(ISO85011:1988). ENISO9013,ThermalcuttingClassificationofthermalcutsGeometricalproductspecifica
22、tionandquality tolerances(ISO9013:2002). ENISO176521:2003, WeldingTestforshopprimersinrelationtoweldingandalliedprocessesPart1:General requirements(ISO176521:2003). 3 Termsanddefinitions ForthepurposesofthisEuropeanStandard,thetermsanddefinitionsinENISO176521:2003apply. 4 Procedure 4.1 Preparationof
23、testpieces Thetestpiecesshallbemadefromhotrolledsteelplates,gradeS275accordingtoEN10025.Thesizeofthetest piecesshallbe1000 1000mmwithanominalthicknessof10mm.Alltestpiecesusedinaseriesoftestsshall originatefromthesamecharge(heat).Thepartsshallhavesmooth,flat,undamagedsurfaces. Aseriesshallincludeonet
24、estpiecewhichisabrasivelyblasteduntilSA2(ENISO85011:1988).Oneormore testpiece(s)shallbecoatedwithshopprimerinaccordancewiththesuppliersrecommendationsforthetypeof shopprimerbeingassessed.Onetestpieceshallbeleftuncoated. Thethicknessoftheshopprimershallbeuniformandinaccordancewiththesuppliersrecommen
25、dation.Unless otherwisespecified,thespecimenscanbecutafteradryingperiodofatleast10daysatasurfacetemperature above10 o Cbutbelow40 o Candataminimumairhumidityof50%.Alternativeconditionsforstorageshallbe monitoredandreportedinthetestreport. Thethicknessshallbechecked,e.g.,byuseofsmallsmoothsteelplates
26、orglassplates.SeealsoENISO2808 andEN10238. Alltestpiecesshallbemarkedwithspeedzonesandpositionsforcutsandeachofthepiecesintowhichtheplate maybecutshallbeunequivocallyidentified,seeFigure1.ENISO176523:2003(E) 5 Eachtestpiececanbeusedforatotalof9possiblecuttinglines,spaced100mmapartand100mmfromthe edg
27、e,seeFigure1. Alldimensionsinmillimetres Key 1,2,3,4 Zones A Examplesofcuttinglines Figure1 Exampleofatestpiecemarkedwithzonesandcuttinglines 4.2 Acceptancecriteriaforcuts CutsurfacesshallbeevaluatedinaccordancewithENISO9013. NOTE Thequalitylevelhasbeenchosentoeliminateothervariablessothatthespeedis
28、thevariablebeingmeasured. 4.3 Cuttingdata Declarationofthepropertiesonashopprimeraccordingtothisstandardshallbebasedonthermalcuttingusing conventionaloxygenfueltechniques.Laserbeamcuttingand/orplasmaarccuttingcan,however,alsobe performedandreportedasoptionalinformation. Cuttingdatashallbeselectedsoa
29、stoobtainmaximumcuttingspeed, v 0 .Datadonothavetobeidenticalfor cuttingoftestplateswithandwithoutshopprimer. 4.4 Initialcuttingoftestplatewithoutshopprimer Theapproximatemaximumcuttingspeed, v 0 ,forwhichthespecifiedqualitycanbeobtainedshallbedeterminedon thebasisofexperienceorpreliminarytests.ENIS
30、O176523:2003(E) 6 Acutismadealongoneofthepossiblecuttinglines.Thecuttingspeedshallberegulatedinfourstepsasfollows: Zone Speed 10 , 9 5 v 0 2 0,975 v 0 3 v 0 4 1,025 v 0 Thecutsurfacesshallbeexamined.Thequalityshallbeacceptableinzones1,2and3butnotinzone4.Ifthishas notbeenobtained,anewcutshallbemade,u
31、singanew v 0 ,higherorlowerasappropriate.The v 0 forwhichthe criteriaarefulfilledistermed v 0,R andshallberegistered.Thetestplateshallhavecooledtoroomtemperature beforeeachcutisstarted. 4.5 Cuttingoftestplate(s)withshopprimer Theapproximatemaximumcuttingspeed, v p ,forwhichthespecifiedqualitycanbeob
32、tainedshallbedeterminedon thebasisofexperienceorpreliminarytests. Acutismadealongoneofthepossiblecuttinglines.Thecuttingspeedshallregulatedinfourstepsasfollows: Zone Speed 1 0,95 v p 2 0,975 v p 3 v p 4 1,025 v p Thecutsurfacesshallbeexamined.Thequalityoftheexaminedsurfacesshallbeacceptableinzones1,
33、2and3 butnotinzone4.Ifthishasnotbeenobtained,anewcutshallbemade,usinganew v P ,higherorloweras appropriate.The v P forwhichthecriteriaarefulfilledistermed v P , R andshallberegistered.Thetestplateshallhave cooledtoroomtemperaturebeforeeachcutisstarted. Morethanoneplatemaybecutincasemorethanoneshoppr
34、imeristobetestedorinordertoprovidesufficient materialforcutting. 4.6 Finalcuttingoftestplatewithoutshopprimer Whencuttingoftestplate(s)withshopprimerhasbeenterminated,onemorecutshallbemadeintheplatewithout shopprimer,usingthespeed v 0 , R .Thequalityshallbeacceptableinzones1,2and3butnotinzone4.Ifthi
35、sisnot obtained,thetestconditionshavenotbeenstableandtheentireseriesoftestsshallberepeated. Thereisariskthatthecuttingnozzlegetsoiledbyalayerofoxideatthetip.Thissoilinghasaconsiderably influenceonthemaximumcuttingspeedandifpossibleitshallbeprevented. Cuttingnozzlesmaybecleanedbutnotexchangedduringas
36、ingleseriesoftests.Thecuttingnozzleshallbe inspectedandifnecessarybechangedbeforestartinganewseries. NOTE Cuttingnozzlewithhightendencytosoilingshouldbeavoided.ENISO176523:2003(E) 7 Thecuttingparametersforoxygenfuelcuttingshallbeasfollows: Cuttingprocess: Mechanisedthermalcutting Fuelgas: Acetyleneo
37、rpropane Fuelgaspressure/flow: Optimumconditionsforthematerialandplatethickness Nozzle: Anozzlewithlowtendencyofgettingsoiledatthetip Cuttingnozzleheight: Asrecommendedbythemanufacturer Cuttinggas: Oxygen.Thepurityoftheoxygenshallbekeptconstantduring eachseriesoftests Oxygenpressure/flow: Optimumcon
38、ditionsforthematerialandplatethickness Thelasercuttingparametersshallbeasfollows: Cuttingprocess: Mechanisedlasercutting Lasertype YAGorCO 2 Laserpower Optimumconditionsforthematerialandplatethickness Nozzle/diameter/distance: Optimumconditionsforthematerialandplatethickness Focallengthofoptic Optim
39、umconditionsforthematerialandplatethickness Cuttinggas: Oxygen.Thepurityoftheoxygenshallbekeptconstantduring eachseriesoftests Gasflow: Optimumconditionsforthematerialandplatethickness Theplasmacuttingparametersshallbeasfollows: Cuttingprocess: Mechanisedplasmacutting Cuttinggas Norestrictions Cutti
40、nggasflow Optimumconditionsforthematerialandplatethickness Cuttingnozzleheight Optimumconditionsforthematerialandplatethickness Current Optimumconditionsforthematerialandplatethickness Dataforothercuttingprocessesshallbeselectedsoastoobtainmaximumcuttingspeed(fortherequiredquality). 5 Assessmentofre
41、sults Theinfluenceoftheshopprimeriscalculatedasareductionfactor R: R p R v v R , , 0 =ENISO176523:2003(E) 8 6 Testreport Thetestresultsshallbereportedinacuttingreportwiththefollowingcontents: a)trademarkoftheshopprimer; b)typeofshopprimer; c)observeddryfilmthickness; d)descriptionofcuttingequipmentu
42、sedinthetests; e)specificationofthetestpieces(materialscertificates); f)processusedforcutting; g)cuttingspeedwithoutshopprimer, v 0,R ; h)cuttingspeedwithshopprimer, v P,R ; i)reductionfactor, R; j)date,nameandaddressofthetestbody; k)signaturebytheresponsibleperson; l)acceptancecriteriaforcutsurface
43、s.ENISO176523:2003(E) 9 AnnexZA (informative) CorrespondingInternationalandEuropeanStandardsforwhichequivalents arenotgiveninthetext Atthetimeofpublicationofthisstandard,theeditionsofthefollowingdocumentswerevalid.Allstandardsare subjecttorevision,andpartiestoagreementsbasedonthisstandardareencouragedtoinvestigatethepossibility ofapplyingthemostrecenteditionsofthedocumentsindicatedbelow.MembersofISOandIECmaintainregi
