EN 13480-8:2017

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Kovinski industrijski cevovodi - 8. del: Dodatne zahteve za cevovode iz aluminija in aluminijevih zlitinMetallische industrielle Rohrleitungen - Teil 8: Zusatzanforderungen an Rohrleitungen aus Aluminium und AluminumlegierungenTuyauteries industrielles métalliques - Partie 8: Exigences complémentaires relatives aux tuyauteries en aluminium et alliages d'aluminiumMetallic industrial piping - Part 8: Additional requirements for aluminium and aluminium alloy piping77.150.10Aluminijski izdelkiAluminium products77.140.75Jeklene cevi in cevni profili za posebne nameneSteel pipes and tubes for specific use23.040.10Železne in jeklene ceviIron and steel pipesICS:Ta slovenski standard je istoveten z:EN 13480-8:2017SIST EN 13480-8:2018en,fr,de01-januar-2018SIST EN 13480-8:2018SLOVENSKI
STANDARDSIST EN 13480-8:2012/A2:2015SIST EN 13480-8:2012/A1:2014SIST EN 13480-8:20121DGRPHãþD

EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 13480-8
June
t r s y ICS
t uä r v rä r s Supersedes EN
s u v z ræ zã t r s tEnglish Version
Metallic industrial piping æ Part
zã Additional requirements for aluminium and aluminium alloy piping Tuyauteries industrielles métalliques æ Partie
z ã Exigences complémentaires relatives aux tuyauteries en aluminium et alliages d 5aluminium
Metallische industrielle Rohrleitungen æ Teil
zã Zusatzanforderungen an Rohrleitungen aus Aluminium und Aluminiumlegierungen This European Standard was approved by CEN on
t s June
t r s yä
egulations which stipulate the conditions for giving this European Standard the status of a national standard without any alterationä Upætoædate lists and bibliographical references concerning such national standards may be obtained on application to the CENæCENELEC Management Centre or to any CEN memberä
translation under the responsibility of a CEN member into its own language and notified to the CENæCENELEC Management Centre has the same status as the official versionsä
CEN members are the national standards bodies of Austriaá Belgiumá Bulgariaá Croatiaá Cyprusá Czech Republicá Denmarká Estoniaá Finlandá Former Yugoslav Republic of Macedoniaá Franceá Germanyá Greeceá Hungaryá Icelandá Irelandá Italyá Latviaá Lithuaniaá Luxembourgá Maltaá Netherlandsá Norwayá Polandá Portugalá Romaniaá Serbiaá Slovakiaá Sloveniaá Spainá Swedená Switzerlandá Turkey and United Kingdomä
EUROPEAN COMMITTEE FOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre:
Avenue Marnix 17,
B-1000 Brussels
t r s y CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Membersä Refä Noä EN
s u v z ræ zã t r s y ESIST EN 13480-8:2018

EN13480æ8:2017Issue1(2017æ06)2ContentsFPageFEuropeanforeword.4 1 Scope.6 2 Normativereferences.6 3 Terms,definitions,symbolsandunits.8 4 Generalrequirements.8 5 Materials.8 5.1 General.8 5.2 Materialgroupingsystem.8 5.3 Elongationafterfracture.9 5.4 Chemicalcomposition.10 5.5 Lamellartearing.10 5.6 Designtemperatureandproperties.10 5.7 Preventionofbrittlefracture.10 5.8 Specificrequirementsforfastenersmadeofaluminiumandaluminiumalloys.11 5.9 Linedpiping.11 5.10 Cladproducts.11 5.11 Technicaldeliveryconditionsforweldingconsumables.11 6 Design.11 6.1 General.11 6.2 Timeæindependentnominaldesignstress.11 6.3 Straightpipes.12 6.4 Pipebendsandelbows.12 6.5 Mitrebends.12 6.6 Socketwelds.14 6.7 Designingwithtransitionjoints.14 6.7.1 Designconsiderations.14 6.7.2 Locationoftransitionjoints.14 6.7.3 Requirementsfortransitionjoints.14 6.8 Portæholeextrudedtubes.14 6.9 Alternativemethods.14 7 Fabricationandinstallation.15 7.1 General.15 7.2 Materialgrouping.15 7.3 Tolerances.15 7.3.1 Weldedpipesandconnectiondimensionsofpipefittings.15 7.3.2 Weldedpipingconstruction.15 7.4 Cuttingandbevelling.16 7.5 Bendingandotherforming.16 7.5.1 General.16 7.5.2 Definitionofcoldæandhotforming.16 7.5.3 Heattreatmentaftercoldforming.16 7.5.4 Heattreatmentafterhotforming.18 SIST EN 13480-8:2018

EN13480æ8:2017Issue1(2017æ06)37.6 Welding.19 7.6.1 Weldingpersonnel.19 7.6.2 Weldingprocesses.19 7.6.3 Weldjointpreparation.19 7.6.4 Preheating.20 7.6.5 Backingringsandbackingstrips.21 7.6.6 Postæweldheattreatment(PWHT).21 8 Inspectionandtesting.21 8.1 General.21 8.2 Formedpressureretainingparts.22 8.2.1 General.22 8.2.2 Testingofformedparts.22 8.2.3 Destructivetestingofformedandheattreatedparts.22 8.3 Welding.23 8.4 Visualandnonædestructivetestingofwelds.23 8.4.1 ApplicationofNDT.23 8.4.2 Circumferential,branch,socketandsealwelds.23 8.4.3 Longitudinalweldsandspiralweldedtubes/pipes.24 8.5 VTandNDTMethods.24 8.6 Productiontestplatesforweldedpipes.25 9 Finalassessmentanddocumentation.26 9.1 General.26 9.2 Pneumaticpressuretest.27 9.3 Documentationforcomponents.27 AnnexA(informative)Dimensionaltolerances.29 AnnexB(normative)Transitionjoints.31 AnnexC(normative)Nominaldesignstressvalues.36 AnnexY(informative)HistoryofEN13480æ8.43 AnnexZA(informative)RelationshipbetweenthisEuropeanStandardandtheEssentialRequirementsofEUDirective2014/68/EUaimedtobecovered.44 Bibliography.45 FFFSIST EN 13480-8:2018

EN13480æ8:2017Issue1(2017æ06)4EuropeanforewordpipingFandFpipelinesóáFtheFsecretariatFofFwhichFisFheldFbyFAFNORäFThisFEuropeanFStandardFshallFbeFgivenFtheFstatusFofFaFnationalFstandardáFeitherFbyFpublicationFofFanFidenticalFtextForFbyFendorsementáFatFtheFlatestFbyFDecemberFFtFrFsFyáFandFconflictingFnationalFstandardsFshallFbeFwithdrawnFatFtheFlatestFbyFDecemberFFtFrFsFyäFAttentionFisFdrawnFtoFtheFpossibilityFthatFsomeFofFtheFelementsFofFthisFdocumentFmayFbeFtheFsubjectFofFleFforFidentifyingFanyForFallFsuchFpatentFrightsäFThisFdocumentFhasFbeenFpreparedFunderFaFmandateFgivenFtoFCENFbyFtheFEuropeanFCommissionFandFtheFEuropeanFFreeFTradeFAssociationáFandFsupportsFessentialFrequireForFrelationshipFwithFEUFDirectiáFwhichFisFanFintegralFpartFofFthisFdocumentäFThisFEuropeanFStandardFENFFsFuFvFzFrFforFmetallicFindustrialFpipingFconsistsFofFeightFinterdependentFandFnotFdissociableFPartsFwhichFareãF Part1:General; Part2:Materials; Part3:Designandcalculation; Part4:Fabricationandinstallation; Part5:Inspectionandtesting; Part6:Additionalrequirementsforburiedpiping; Guidanceontheuseofconformityassessmentprocedures; Part8:Additionalrequirementsforaluminiumandaluminiumalloypiping.AlthoughFtheseFPartsFmayFbeFobtainedFseparatelyáFitFshouldFbeFrecognisedFthatFtheFPartsFareFinterædependantäFAsFsuchFtheFmanufactureFofFmetallicFindustrialFpipingFrequiresFtheFapplicationFofFallFtheFrelevantFPartsFinForderFforFtheFrequirementsFofFtheFStandardFtoFbeFsatisfactorilyFfulfilledäFThisFEuropeanFStandardFwillFbeFmaintainedFbyFaFMaintenanceFMHDFworkingFgroupFwhoseFscopeFofFworkingFisFlimitedFtoFcorrectionsFandFinterpretationsFrelatedFtoFENFFsFuFvFzFräFFFFSIST EN 13480-8:2018

EN13480æ8:2017Issue1(2017æ06)5submittingFquestionsFcanFbeFdownloadedFfromFtheFlinkFtoFtheFMHDFwebsiteäFAfterFsubjectFexpertsFhaveFagreedFanFansweráFtheFanswerFwillFbeFcommunicatedFtoFtheFquestioneräFCorrectedFpagesFwillFbeFgivenFspecificFissueFnumberFandFissuedFbyFCENFaccordingFtoFCENFRulesäFInterpretationFsheetsFwillFbeFpostedFonFtheFwebsiteFofFtheFMHDäFThisFdocumentFsupersedesFENFFsFuFvFzFræFzãFtFrFsFtäFThisFnewFeditionFincocorrigendaFwhichFhaveFbeenFapprovedFpreviouslyFbyFCENFmembersáFandFtheFcorrectedFpagesFupFtoFFIssueFFvFwithoutFanyFfurtherFtechnicalFchangeäFAnnexFYFprovidesFdetailsFofFsignificantFtechnicalFchangesFbetweenFthisFEuropeanFStandardFandFtheFpreviousFeditionäFAmendmentsFtoFthisFnewFeditionFmayFbeFissuedFfromFtimeFtoFtimeFandFthenFusedFimmediatelyFasFalternativesFtoFrulesFcontainedFhereinäFFAccordingFtoFtheFCENæCENELECFInternalFRegulationsáFtheFnationalFstandardsForganizationsFofFtheFfollowingFcountriesFareFboundFtoFimplementFthisFEuropeanFStandardãFAustriaáFBelgiumáFBulgariaáFCroatiaáFCyprusáFCzechFRepublicáFDenmarkáFEstoniaáFFinlandáFFormerFYugoslavFRepublicFofFMacedoniaáFFranceáFGermanyáFGreeceáFHungaryáFIcelandáFIrelandáFItalyáFLatviaáFLithuaniaáFLuxembourgáFMaltaáFNetherlandsáFNorwayáFPolandáFPortugaláFRomaniaáFSerbiaáFSlovakiaáFSloveniaáFSpaináFSwedenáFSwitzerlandáFTurkeyFandFtheFUnitedFKingdomäFFFFFFFFFFFFFFFFFFSIST EN 13480-8:2018

EN13480æ8:2017Issue1(2017æ06)6F1 ScopeThisFPartFofFENFFsFuFvFzFrFspecifiesFrequirementsFforFindustrialFpipingFsystemsFmadeFofFaluminiumFandFaluminiumFalloysFinFadditionFtoFtheFgeneralFrequirementsFforFindustrialFpipingFaccordingFtoFtheFseriesFofF2 NormativereferencesTheFfollowingFdocumentsáFinFwholeForFinFpartáFareFnormativelyFreferencedFinFthisFdocumentFandFareFindispensableFforFitsFapplicationäFForFdatedFreferencesáFonlyFtheFeditionFcitedFappliesäFForFundatedFreferencesáFtheFlatestENFFvFzFwæFtãFtFrFsFuáFAluminiumandaluminiumalloys—Sheet,stripandplate—Part2:MechanicalpropertiesFENFFvFzFwæFuáFAluminiumandaluminiumalloys—Sheet,stripandplate—Part3:TolerancesondimensionsandformforhotærolledproductsFENFFvFzFwæFváFAluminiumandaluminiumalloys—Sheet,stripandplate—Part4:TolerancesonshapeanddimensionsforcoldærolledproductsFENFFwFyFuæFuãFtFrFsFuáFAluminiumandaluminiumalloys—Chemicalcompositionandformofwroughtproducts—Part3:ChemicalcompositionandformofproductsFENFFwFzFxæFtãFsF{F{FváFAluminiumandaluminiumalloys—Forgings—Part2:MechanicalpropertiesandadditionalpropertyrequirementsFAluminiumandaluminiumalloys—Colddrawnrod/barandtubeFAluminiumandaluminiumalloys—Extrudedrod/bar,tubeandprofilesFENFFyFxFvæFuáFPressureequipment—Part3:DefinitionofpartiesinvolvedFENFFsFyFyF{ãFsF{F{F{áFNonædestructivetesting—Leaktesting—CriteriaformethodandtechniqueselectionFENFFsFrFtFrFvãFtFrFrFváFMetallicproducts—TypesofinspectiondocumentsFENFFsFtFuF{FtãFtFrFrFráFAluminiumandaluminiumalloys—Wroughtproducts—SpecialrequirementsforproductsintendedfortheproductionofpressureequipmentFENFFsFuFvFvFwæFvãFtFrFsFváFUnfiredpressurevessels—Part4:FabricationFENFFsFuFvFzFræFsãFtFrFsFyáFMetallicindustrialpiping—Part1:GeneralFENFFsFuFvFzFræFtãFtFrFsFyáFMetallicindustrialpiping—Part2:MaterialsFENFFsFuFvFzFræFuãFtFrFsFyáFMetallicindustrialpiping—Part3:DesignandcalculationFENFFsFuFvFzFræFvãFtFrFsFyáFMetallicindustrialpiping—Part4:FabricationandinstallationFENFFsFuFvFzFræFwãFtFrFsFyáFMetallicindustrialpiping—Part5:InspectionandtestingFENFISOFFsFvFzæFsãFtFrFsFráFMetallicmaterials—Charpypendulumimpacttest—Part1:Testmethod(ISO148æ1:2009)FSIST EN 13480-8:2018

EN13480æ8:2017Issue1(2017æ06)7ENFISOFFuFvFwFtæFsãFtFrFsFuáFNonædestructivetesting—Penetranttesting—Part1:Generalprinciples(ISO3452æ1:2013)FENFISOFFuFzFuFvæFtãFtFrFrFwáFQualityrequirementsforfusionweldingofmetallicmaterials—Part2:Comprehensivequalityrequirements(ISO3834æ2:2005)FENFISOFFuFzFuFvæFuãFtFrFrFwáFQualityrequirementsforfusionweldingofmetallicmaterials—Part3:Standardqualityrequirements(ISO3834æ3:2005)FENFISOFFvFrFxFuãFtFrFsFráFWeldingandalliedprocesses—Nomenclatureofprocessesandreferencenumbers(ISO4063:2009,Correctedversion2010æ03æ01)FENFISOFFvFsFuFxãFtFrFsFtáFDestructivetestsonweldsinmetallicmaterials—Transversetensiletest(ISO4136:2012)FENFISOFFwFsFyFuãFtFrFsFrFFªFAFsãFtFrFsFsáFDestructivetestsonweldsinmetallicmaterials—Bendtests(ISO5173:2009+Amd1:2011)FENFISOFFxFzF{FtæFsãFtFrFrF{áFMetallicmaterials—Tensiletesting—Part1:Methodoftestatroomtemperature(ISO6892æ1:2009)FENFISOFFxFzF{FtæFtãFtFrFsFsáFMetallicmaterials—Tensiletesting—Part2:Methodoftestatelevatedtemperature(ISO6892æ2:2011)FENFISOFFyFvFuFzãFtFrFrFwáFMetallicmaterials—Bendtest(ISO7438:2005)FENFISOFF{FxFrFxæFtãFtFrFrFváFQualificationtestofwelders—Fusionwelding—Part2:Aluminiumandaluminiumalloys(ISO9606æ2:2004)FENFISOFFsFrFrFvFtãFtFrFrFwáFWelding—Arcæweldedjointsinaluminiumanditsalloys—Qualitylevelsforimperfections(ISO10042:2005)FENFISOFFsFrFzF{FuæFzãFtFrFsFsáFNonædestructivetestingofsteeltubes—Part8:Automatedultrasonictestingofseamlessandweldedsteeltubesforthedetectionoflaminarimperfections(ISO10893æ8:2011)FENFISOFFsFrFzF{FuæFsFsãFtFrFsFsáFNonædestructivetestingofsteeltubes—Part11:Automatedultrasonictestingoftheweldseamofweldedsteeltubesforthedetectionoflongitudinaland/ortransverseimperfections(ISO10893æ11:2011)FENFISOFFsFsFxFxFxãFtFrFsFráFNonædestructivetestingofwelds—Ultrasonictesting—Acceptancelevels(ISO11666:2010)FENFISOFFsFwFxFsFvæFtãFtFrFrFwáFSpecificationandqualificationofweldingproceduresformetallicmaterials—Weldingproceduretest—Part2:Arcweldingofaluminiumanditsalloys(ISO15614æ2:2005)FENFISOFFsFxFzFsFrãFtFrFsFváFNonædestructivetesting—Ultrasonictesting—Generalprinciples(ISO16810:2012)FENFISOFFsFxFzFsFsãFtFrFsFváFNonædestructivetesting—Ultrasonictesting—Sensitivityandrangesetting(ISO16811:2012)FENFISOFFsFxFzFtFuãFtFrFsFváFNonædestructivetesting—Ultrasonictesting—Transmissiontechnique(ISO16823:2012)FENFISOFFsFxFzFtFxãFtFrFsFváFNonædestructivetesting—Ultrasonictesting—Examinationfordiscontinuitiesperpendiculartothesurface(ISO16826:2012)FFSIST EN 13480-8:2018

EN13480æ8:2017Issue1(2017æ06)8ENFISOFFsFxFzFtFyãFtFrFsFváFNonædestructivetesting—Ultrasonictesting—Characterizationandsizingofdiscontinuities(ISO16827:2012)FENFISOFFsFxFzFtFzãFtFrFsFváFNonædestructivetesting—Ultrasonictesting—Timeæofæflightdiffractiontechniqueasamethodfordetectionandsizingofdiscontinuities(ISO16828:2012)FENFISOFFsFyFxFuFxæFsãFtFrFsFuáFNonædestructivetestingofwelds—Radiographictesting—Part1:Xæandgammaæraytechniqueswithfilm(ISO17636æ1:2013)FENFISOFFsFyFxFuFxæFtãFtFrFsFuáFNonædestructivetestingofwelds—Radiographictesting—Part2:Xæandgammaæraytechniqueswithdigitaldetectors(ISO17636æ2:2013)FENFISOFFsFyFxFuFyãFtFrFsFsáFNonædestructivetestingofwelds—Visualtestingoffusionæweldedjoints(ISO17637:2003)FENFISOFFsFyFxFuF{ãFtFrFsFuáFDestructivetestsonweldsinmetallicmaterials—Macroscopicandmicroscopicexaminationofwelds(ISO17639:2003)FENFISOFFsFyFxFvFrãFtFrFsFráFNonædestructivetestingofwelds—Ultrasonictesting—Techniques,testinglevels,andassessment(ISO17640:2010)FENFISOFFtFuFtFyFyãFtFrFrF{áFNonædestructivetestingofwelds—Penetranttestingofwelds—Acceptancelevels(ISO23277:2006)FWelding—Guidelinesforametallicmaterialsgroupingsystem(ISO/TR15608)FISOFFzFwFyæFsãFsF{F{FzáFWeldingandalliedprocesses—Vocabulary—Part1:MetalweldingprocessesF3 Terms,definitions,symbolsandunitsForFtheFpurposesFofFthisFdocumentáFtheFtermsáFdefinitionsáFsymbolsFandFunitsFofFENFFsFuFvFzFræFsãFtFrFsFyáFENFFsFuFvFzFræFtãFtFrFsFyáFENFFsFuFvFzFræFuãFtFrFsFyáFENFFsFuFvFzFræFvãFtFrFsFyFandFENFFsFuFvFzFræFwãFtFrFsFyFapplyäF4 GeneralrequirementsTheFgeneralFrequirementsFofFENFFsFuFvFzFræFsFshallFapplyäF5 Materials5.1 GeneralMaterialsFforFpressureæbearingFpartsFcompliantFwithFtheFrequirementsFofFthisFEuropeanFStandardFshallFbeFaccompaniedFbyFinspectionFdocumentsFinFaccordanceFwithFENFFsFrFtFrFvãFtFrFrFväFTheFtypeFofFinspectionFdocumentFshallFbeFinFaccordanceFwithFENFFyFxFvæFwãFtFrFrFtFandFincludeFaFdeclarationFofFcomplianceFtoFtheFmaterialFspecificationäFTheFrequirementsFofFENFFsFuFvFzFræFtãFtFrFsFyFshallFapplyFwithFtheFfollow5.2 MaterialgroupingsystemAnnexFAFofFENFFsFuFvFzFræFtãFtFrFsFyFisFnotFapplicableFforFaluminiumFandFaluminiumFalloysäFTheFallowableFmaterialsFforFindustrialFpipingFofFaluminiumFandFaluminiumFalloysFshallFbeFaccordingFtoFTableFFwäFtæFsäFAnyFproductFformFavailableFinFtheFENFstandardsFreferencedFinFAnnexFCFforFaFmaterialFandFtemperFlistedFinFTableFFwäFtæFsFisFacceptableFforFconstructionFtoFthisFEuropeanFStandardäFOtherFmaterialsFnotFdefinedFSIST EN 13480-8:2018

EN13480æ8:2017Issue1(2017æ06)9yFmeetFtheFrequirementsFofFFwäFtFandFFwäFuFofFthisFstandardFandFaFParticularFMaterialFAppraisalFisFproTable5.2æ1—GroupingsystembasedonCENISO/TR15608andENAWnumbersaccordingtoEN573æ3:2013GroupSubgroupTypeofaluminiumandaluminiumalloysDesignationENAWnumberChemicalsymbolTemperFtFsFFPureFaluminiumFwithFF¶FFsFF¨FimpuritiesForFalloyFcontentFOáFHFsFsFsáFHFsFsFtFOáFHFsFsFsáFHFsFsFtFOáFHFsFsFsáFHFsFsFtFFtFtFNonFheatFtreatableFalloysFMnFráFwMgFráFwFOáFHFsFsFsáFHFsFsFtFOáFHFsFsFsáFHFsFsFtFOáFHFsFsFsFFFtFtäFtFAluminiumæmagnesiumFalloysFwithFMgFF¶FFsáFwFF¨FOáFHFsFsFsáFHFsFsFtFOáFHFsFsFsáFHFsFsFtFOáFHFsFsFsFFtFtäFuFAluminiumæmagnesiumFalloysFwithFFsáFwFF¨FF´FMgFF¶FFuáFwFF¨FOáFHFsFsFsáFHFsFsFtFOáFHFsFsFsáFHFsFsFtFOáFHFsFsFsáFHFsFsFtFOáFHFsFsFsáFHFsFsFtFOáFHFsFsFsáFHFsFsFtFOáFHFsFsFsáFHFsFsFtFFtFtäFvFAluminiumæmagnesiumFalloysFwithFMgFFµFFuáFwFF¨FMgFváFwMnFráFyFOáFHFsFsFsáFHFsFsFtFOáFHFsFsFsFFFtFuFHeatFtreatableFalloysFFtFuäFsFAluminiumæmagnesiumæsiliconFalloysFENFAWFFxFrFxFrFENFAWFFxFrFxFsFTFvaFFTFvbáFTFxcFFaFforFseamlessFpipesFandFprofilesFonlyFbFforFseamlessFpipesFandFflangesFonlyFcFforFflangesFonlyFF5.3 ElongationafterfractureAluminiumFandFaluminiumFalloysFusedFforFpartsFofFindustrialFpipingFthatFareFsubjectedFtoFcoldFformingFshallFhaveFaFspecifiedFminimumFelongationFafterFfractureFmeasuredFonFaFgaugeFlengthFooSL65,5FthatFisFF·FFsFvFF¨FinFtheFlongitudinalForFtransverseFdirectionFasFdefinedFbyFtheFmaterialFspecificationäFAluminiumFandFaluminiumFalloysFusedFforFpartsFofFindustrialFpipingFthatFareFnotFsubjectedFtoFcoldFiedFminimumFelongationFafterFfractureFofFF·FFsFrFF¨FinFtheFlongitudinalForFtransverseFdirectionFasFdefinedFbyFtheFmaterialFspecificationFmeasuredFonFFFSIST EN 13480-8:2018

EN13480æ8:2017Issue1(2017æ06)105.4 ChemicalcompositionTheFchemicalFcompositionFshallFbeFinFaccordanceFwithFtheFmaterialFspecificationäFNOTEFENF12392ã2000áF5.1.3FrecommendsFaFmaximumFhydrogenFlevelFofFFráFtFmlFperFFsFrFrFgFaluminiumáFmeasuredFinFtheFliquidFmetalFduringFcastingFforFpartsFtoFbeFweldedäFENF12392ã2000áF4.1áFrecommendsFaFmaximumFleadFcontentF5.5 LamellartearingSpecificFrequirementsFtoFavoidFlamellarFtearingFforFindustrialFpipingFofFaluminiumFandFaluminiumFalloysFareFnotFapplicableäFwhereasFinFENFFsFrFsFsæFvãFtFrFrFrFnoFrequirementFisFgivenFbecauseFlamellarFtearingFisFnotFaFrecognizedFphenomenonäFF5.6 DesigntemperatureandpropertiesNOTEFFsFSeeFalsoFENFFsFuFvFzFræFtãFtFrFsFyáFFväFtäFtäFENFFsFuFvFzFræFtãFtFrFsFyáFFväFtäFtäFsáFFtndFparagraphFisFnotFapplicableFforFaluminiumFandFaluminiumFalloysäFNominalFdesignFstressFvaluesFareFgivenFinFTableFCäFsáFTableFCäFtáFTableFCäFuFandFTableFCäFväFDesignFtemperaturesFthatFexceedFtheFrespectiveFtemperatureFlimitFinFAnnexFCFareFnotFpermittedäFForFmaterialsFofFgroupFFtFtäFvFtemperaturesFaboveFFzFrFF¹CFmayFresultFinFgrainFboundaryFprecipitationFofFAlFuæMgFtäFTheseFmaterialsFmayFbeFusedFatFtemperaturesFaboveFFzFrFF¹CFupFtoFFtFrFrFF¹CFonlyFforFnonæcorrosiveFserviceäFNOTEFFtFForFfurtherFmaterialFpropertiesáFseeFENFFsFtFuF{FtãFtFrFrFräFForFweldedFpartsFandFheatFtreatedFpartsFafterFformingFonlyFtheFvaluesFequivalentFtoFtheFOFtemperFshallFbeFusedFforFdesignFwhenFFxFFrFrFrFseriesFflangesáFetcäFareFweldedäFNominalFdesignFstressesFareFgivenFinFCäFxäFTheFweldFareaFshallFbeFbasedFonFtheFOFtemperFbutFtheFflangeFstrForFaluminiumFandFaluminiumFalloysFvaluesFofFFráFtFF¨FproofFstrengFforFtemperaturesFaboveFFtFrFF¹CFshallFbeFestablishedFbyFlinearFinterpolationFbetweenFtwoFadjacentFvaluesFaccordingFtoFENFFsFtFuF{FtãFtFrFrFráFClauseFFzäFForFmaterialFofFgroupFFtFtäFvãFForFshortFperiodsáFhigherFtemperatuFtheFpressureFisFreducedFtoFhalfFtheFworkingFpressureFforFaFperiodFupFtoFFzFhFandFtoFatmosphericFpressureFforFaFperiodFupFtoFFtFvFhäF5.7 PreventionofbrittlefractureENFFsFuFvFzFræFtãFtFrFsFyáFAnnexFBFisFnotFapplicableäFAllFmaterialsFofFTableFFwäFtæFsFareFsuitableFforFanyFminimumFmetalFtemperatureFwithoutFimpactFtestingäFNOTEFSeeFalsoFENF1252æ1FandFENF12392ã2000áF8.4.FFFSIST EN 13480-8:2018

EN13480æ8:2017Issue1(2017æ06)115.8 SpecificrequirementsforfastenersmadeofaluminiumandaluminiumalloysThreadsFofFboltsFandFstudsFshallFbeFrolledäFRegardingFpreventionFofFbrittleFfractureFforFmaterialsFofFfastenersFFwäFyFappliesäFNOTEFFsFOtherFmanufacturingFtechniquesFmayFbeFagreedFbyFtheFpartiesFinvolvedäFInFthisFcaseáFspecialFconsiderationsFregardingFtheFapplicationFandFtestingFrequirementsFmayFbeFnecessaryäFSuchFrequirementsFareFnotFaddressedFbyFthisFstandardäFNOTEFFtFMaterialsFotherFthanFaluminiumFandFaluminiumFalloysFmayFbeFusedFforFboltingFforFpipingFconstructionsFaccordingFtoFthisFEuropeanFStandardäFTheFdesignerFshouldFgiveFspecialFconsiderationFtoFtheseFdifferentFboltingFmaterialsäF5.9 LinedpipingSpecificFrequirementsFforFlinedFpipingFareFnotFapplicableFforFaluminiumFandFaluminiumFalloysäF5.10 CladproductsSpecificFrequirementsFforFcladFproductsFareFnotFapplicableFforFaluminiumFandFaluminiumFalloysäF5.11 TechnicaldeliveryconditionsforweldingconsumablesTheFrequirementsFofFENFFsFuFvFzFræFtãFtFrFsFyáFFväFuäFwFshallFapplyäF6 Design6.1 GeneralTheFrequirementsFofFENFFsFuFvFzFræFuãFtFrFsFyFshallFapplyFwithFtheFfollow6.2 TimeæindependentnominaldesignstressTheFdesignFstressesFforFaluminiumFandFaluminiumFalloysFmaterialsFshallFbeFinFaccordanceFwithFtheFTableFFxäFtæFsäFTable6.2æ1—DesignstressesforaluminiumandaluminiumalloymaterialGroupaccordingtoTable5.2æ1DesignstressesatdesignconditionDesignstressesattestconditionFtFsFfRpFsáFrátFftestRpFsáFráFtFrFFtFtFfRpFráFtátFmáFtFrftestRpFráFtáFFtFrFFtFuFfRpFráFtátFmáFtFrftestRpFráFtáFFtFrF SIST EN 13480-8:2018

EN13480æ8:2017Issue1(2017æ06)12Table6.2æ2—Allowabledesignstrengthvaluesfor6000seriesaluminiumalloysintheweldedcondition(see5.6)MaterialdesignationValueofffordesigntemperature(°C)notexceeding5075100125a150175aENFAWFFxFrFxFrFFvFrFFvFrFFvFrFFuFzFæFæFENFAWFFxFrFxFsFFwFwFFwFwFFwFwFFwFvFFwFsFFvFuFNOTEFDataFareFderivedFfromFENF13445æ8ã2014äaFForFmaximumFdesignFtemperatureFseeFFwäFxäFValuesFforFFsFtFwFF¹CFinterpolationFonlyäFF6.3 StraightpipesInFgeneraláFstraightFpipesFshallFbeFdesignedFinFaccordanceFwithFENFFsFuFvFzFræFuãFtFrFsFyáFFxäFsäFForFDFrDisedäFInFthisFcaseFpipesFshallFbeFseamlessForFtestedFinFaccordanceFwithFFzäFväFuFandFFzäFxFforFzFF±FFsáFrFandFtheFmaximumFallowableFpressureFpaFshallFbeFdeterminedFasFfollowsãF1,51xlnxxai0t,2,0p32DDRpForFmaterialFgroupFFtFsRpFsáFrátFshallFbeFusedFinsteadFofFRpFráFtátäF6.4 PipebendsandelbowsTheFstandardFmethodFforFcalculationFofFbendsFandFelbowsFforFaluminiumFandFaluminiumFalloysFshallFbeFtheFmethodFdescribedFinFENFFsFuFvFzFræFuãFtFrFsFyáFBäFväFsäFuäFNOTEFFsFThisFclauseFshouldFnotFbeFunderstoodFasFtoFprohibitFtheFotherFmethodsFgivenFinFENFFsFuFvFzFræFuáFbutFtoFreflectFtheFactualFsituationFatFtheFbendFmanufacturersäFNOTEFFtFAlsoFseeFFxäFtäFuFandFENFFsFuFvFzFræFuãFtFrFsFyáFFormulaFBäFväFsæFsFsäF6.5 MitrebendsENFFsFuFvFzFræFuãFtFrFsFyáFFxäFuFmayFbeFusedFforFtheFdesignFofFmitreFbendsFforFaluminiumFandFaluminiumFalloysäFFAlternativelyFtheFmethodFdescribebendsFforFaluminiumFandFaluminiumFalloysFaccordingFtoFFigureFFxäFwæFsFwithFaFmaximumFangleFFofFFtFtáFwF¹äFTheFpressureFlimitFgivenFinFENFFsFuFvFzFræFuãFtFrFsFyáFFxäFuäFsFisFnotFapplicableFforFthisFmethodäFNOTEFFsFCurrentFexperiencesFareFavailableFupFtoFpressuresFofFFxFuFbarFforFtimeFindependentFdesignFstressesáFhoweverFthisFdoesFnotFprohibitFtheFcalculationFofFmitreFbendsFtoFtheFgivenFformulaFforFuseFofFhigherFpressuresáFbutFshowsFtheFreferenceFpressureFforFwhichFmitreFbendsFmadeFofFaluminiumFandFaluminiumFalloysFandFdesignedFtoFtheFrulesFareFinFsafeFoperationäFNOTEFFtFSourceãFFDBRFGuidelineáFDesignFofFpowerFpipingáFJulyFFsF{F{FwFSIST EN 13480-8:2018

EN13480æ8:2017Issue1(2017æ06)13TheFfollowingFsymbolsFapplyFforFtheFalternativeFmethodFinFadditionFtoFthoseFmentionedFinFClauseFFuäFTable6.5æ1—Specialsymbolsforsubclause6.5SymbolDescriptionUnit1v Equivalent stress intensity FtFpaa Maximum allowable pressure FtFdiv DesignFinsideFdiameterFmmFFaFSeeFfootnoteFaFinFENF13480æ3ã2017áFTable 3.2-1äFFfzedBpaiviv502,shallFbeFmetFwithFregardFtoFinternalFpressureFloadingáFwhereFwithFtheFsmallerFvalueFofFtan,iviveededr8021tan22brFtheFvalueFBiFisFfoundFasFfollowsFedrdrBivivi,,50250FFigure6.5æ1—MitrebendFFSIST EN 13480-8:2018

EN13480æ8:2017Issue1(2017æ06)146.6 SocketweldsSocketFweldsFmayFonlyFbeFusedFforFpipesFDNFFwFrFandFbelowäF6.7 Designingwithtransitionjoints6.7.1 DesignconsiderationsTheFuseFofFtransitionFjointsFshallFbeFconsideredFduringFdesignFanalysisäFTransitionFjointsFshouldFbeFtreatedFasFelementsFwithinFtheFpipingFandFtheFdesignerFshouldFconsiderFallFtheFloadingsFlikelyFtoFariseFunderFtheFdesignFconditionsäF6.7.2 LocationoftransitionjointsAFtransitionFjointFshallFbeFpositionedFsoFthatFitFdoesFnotFundergoFundueFloadingFeffectsFsuchFasFtensileFandFshearFforcesForFbendingFandFtorsionalFmomentsäFWhereFappropriateáFtheFtransitionFjointFfabricatorFshallFprovideFallowableFloadsForFcriteriaFforFassessingFpressureFandFcombinedFexternalFloadsäFInFgeneraláFpositioningFtransitionFjointsFdirectlyFagainstFpipingFelbowsFshallFasFfarFasFpossibleFbeFavoidedäF6.7.3 RequirementsfortransitionjointsTransitionFjointsFshallFmeetFtheFrequirementsFofFAnnexFBäF6.8 PortæholeextrudedtubesPortæholeæextrudedFtubesFinFaccordanceFwithFENF755FseriesFmayFbeFusedFupFtoFandFincludingFDNFFtFwáFprovidedFthatFaFjointFefficiencyFofFFráFyFisFappliedäFWhenFtheseFtubesFareFsubjectFtoFaFcombinedFpressureæleakætestFforFtheFentireFlengthFtheFjointFefficiencyFmayFbeFsetFtoFaFfactorFofFFsäFIfFthisFtestFisFcarriedFoutF byFtheFtubeFmanufactureráFtheFtestFpressureFshallFbeFpxenT95,0RDeP byFtheFpipingFmanufactureráFtheFtestFpressureFshallFbeFPSP43,1TFTheFcombinedFpressureæleakFtestFforFachievingFaFjointFefficiencyFfactorFofFFsFisFtoFbeFcarriedFoutFbeforeFintegrationFinFtheFpipingFsystemFeitherFusingFheliumForFaFgasFmixtureFcontainingFheliumáFdependingFonFtheFapplicationäFItFdoesFnotFreplaceFtheFpressureFtestFasFspecifiedFinFF{äFsFandFF{äFtäF6.9 AlternativemethodspliedáFusingFtheFmethodFbasedFonFstressFcategoriesFonlyäFFSIST EN 13480-8:2018

EN13480æ8:2017Issue1(2017æ06)157 Fabricationandinstallation7.1 GeneralTheFrequirementsFofFENF13480æ4:2017FshallFapplyFwithFtheFfolloNOTEFReferenceFtoFENFFsFvFyFsFyFmayFbeFusefulFtoFavoidFandFreduceFtheFpossibleFenvironmentalFimpactsFofFaluminiumFandFaluminiumFalloyFpipingäF7.2 MaterialgroupingAluminiumFandFaluminiumFalloyFmaterialsFandFtheirFgroupingFshallFbeFinFaccordanceFwithFTableFFwäFtæFsäF7.3 Tolerances7.3.1 WeldedpipesandconnectiondimensionsofpipefittingsTableFFyäFuæFsFappliesFforFweldedFpipesFfabricatedFinFaccordanceFwithFthisFEuropeanFStandardäFConnectionFFcomplyFwithFTableFFyäFuæFsäFGreaterFvaluesFmayFbeFacceptableFprovidedFtheyFareFverifiedFbyFdesignFcalculationäFFtáFTableFF{äFNOTEFFtFOtherFtolerancesFmayFbeFappliedFifFspecifiedFbyFtheFdesiNOTEFFuFForFtolerancesFofFmaterialFfabricatedFtoFotherFEuropeanFStandardsáFseeFapplicableFEuropeanFStandardFENF12392ã2000áFClause 7ForFENF1092æ4ã2002áF5.9Table7.3æ1—TolerancesforweldedpipesTypeoftoleranceToleranceReferenceMeanFexternalFdiameterFF¬FFsáFwFF¨FFFOutFofFroundnessFmaximumFFsáFwFF¨FforFtheFratioFe/DFF´FFráFrFsFmaximumFFsáFrFF¨FforFtheFratioFe/DFF·FFráFrFsFENFFsFuFvFzFræFvãFtFrFsFyáFFormulaFFWallFthicknessFAsFforFsheetáFstripForFplateFENFFvFzFwæFuâFENFFvFzFwæFvFOutFofFroundnessFshallFbeFcalculatedFinFaccordanceFwithFENFFsFuFvFzTheFdeterminationFofFtheFoutFofFroundnessFneedFnotFconsiderFtheFelasticFdeformationFdueFtoFdeadæweightFofFtheFpipeäF7.3.2 WeldedpipingconstructionENFFsFuFvFzFræFvãFtFrFsFyáFFwäFxFisFnotFapplicableFforFpipingFinFaluminiumFandFaluminiumFalloysäFGuidanceFforFtheFtolerancesFofFpipingFspoolsFmadeFofFaluminiumFandFaluminiumFalloysFisFgivenFinFAnnexFAäFFFFSIST EN 13480-8:2018

EN13480æ8:2017Issue1(2017æ06)16ENFFsFuFvFzFræFvãFtFrFsFyáFFyäFvFisFapplicableFforFaluminiumFandFaluminiumFalloysáFexceptFFyäFväFvFconcerningFinductionFforming.FTheFrequirementsFaccordingFtoFENFFsFuFvFzFræFvãFtFrFsFyáFF{äF{FshallFapplyFwithFtheFfollowingFmodificationFforFaluminiumFandFaluminiumFalloysãFReplaceFtheFreferenceFtoFENFFtFwFzFsFyFwithFENFISOFFsFrFrFvFtäF7.4 CuttingandbevellingInFadditionFtoFtheFrequirementsFofFENFFsFuFvFzFræFvãFtFrFsFyáFFxäFsFtheFfollowingFshallFapplyFforFindustrialFpipingFofFaluminiumFandFaluminiumFalloysãFAluminiumFandFitsFalloysFshallFbeFcutFtoFsizeFandFshapeFpreferablyFbyFmachiningForFbyFthermalFcuttingFprocessáFeägäFplasmaFarcFcuttingáForFbyFaFcombinationFofFbothäFAdditionallyáFhydroFmechanicalFmethodsFofFedgeFpreparationFareFacceptableäFFlameFcuttingFisFnotFpermittedäFForFplatesFofFFFtFwFmmFthicknessFcoldFshearingFisFpermissibleäFEdgesFthatFareFcutFbyFthermalFprocessForFbyFcoldFshearingFshallFbeFdressedFbackFbyFmachiningFunlessFtheFmanufacturerFcanFdemonstrateFthatFtheFmaterialFandFtheFweldabilityFhasFnotFbeenFadverselyFaffectedFbyFtheFcuttingFprocessäFTheFsurfaceFtoFbeFweldedFshallFbeFthoroughlyFcleanedFofFaluminiumFoxideFtracesFandFgreasesFbyFmechanicalFmeansForFbyFpicklingäFChlorideFcontainingFdetergentsFareFprohibitedäF7.5 Bendingandotherforming7.5.1 GeneralTheFrequirementsFofFENFFsFuFvFzFræFvãFtFrFsFyáFClauseFFyFshallFapplyFwithF7.5.2 DefinitionofcoldæandhotformingColdFformingFofFmaterialFgroupsFFtFsFandFFtFtFshallFbeFcarriedFoutFatFtemperaturesFbelowFFtFrFrFF¹CäFColdFandFhotFformingFofFmaterialFofFgroupFFtFuäFsFisFnotFallowedäFHotFformingFofFaluminiumFandFitsFalloysFshallFbeFcarriedFoutFinFaFtemperatureFrangeFofFFuFtFrFF¹CFtoFFvFwFrFF¹CäFTheFlastFstageFofFtheFhotFformingFprocessFshallFbeFcompletedFaboveFFuFrFrFF¹CâFotherwiseáFaFsubsequentFheatFtreatmentFtoFachieveFtheFOFTemperFisFrequiredäF7.5.3 Heattreatmentaftercoldforming7.5.3.1 GeneralForFheatFtreatmentFafterFcoldFformingFtheFrequirementsFofFENF13480æ4ã2017áF7.2FareFnotFapplicableFforFindustrialFpipingFofFaluminiumFandFaluminiumFalloysäFForFaluminiumFandFaluminiumFalloysáFtheFheatFtreatmentFshallFbeFcarriedFoutFasFfollowsãFTheFheatFtreatmentFparametersFshallFbeFinFaccordanceFwithFtheFmaterialFspecificationFofFtheFmaterialFmanufactureräFTheFgeneralFheatFtreatmentFparametersFshallFbeãFFFFSIST EN 13480-8:2018

EN13480æ8:2017Issue1(2017æ06)17 theFheatingFrateFshallFbeFasFrapidFasFpossibleâFF theFholdingFtemperatureFshallFbeFinFtheFrangeFbetweenFFuFtFrFF¹CFandFFuFzFrFF¹CFdependingFonFtheFalloyFtypeâF theFholdingFtimeFatFtheFholdingFtemperatureFshallFbeFbetweenFFsFrFminFandFFxFrFminFdependingFonFtheFratioFofFcoldFformingâFF theFcoolingFshallFbeFperformedFinFstillFairáFtheFcoolingFrateFneedsFnotFtoFbeFcontrolledäFF7.5.3.2 FlatproductsForFaluminiumFandFaluminiumFalloysFheatFtreatmentFshallFbeFcarriedFoutFinFaccordanceFwithFTableFFyäFwæFsäFFTable7.5æ1—HeattreatmentofflatproductsaftercoldformingMaterialgroupsaccordingtoTable5.2æ1RatioofdeformationdVd(%)HeattreatmentFtFsFF¶FFsFwFF¨FnoFFtFsFFµFFsFwFF¨FyesaáFannealingFFtFtäFsbáFFtFtäFtbáFFtFtäFubáFFtFtäFvbFF¶FFwFF¨FnoFFtFtäFsbáFFtFtäFtbáFFtFtäFubáFFtFtäFvbFFµFFwFF¨FyescáFannealingFaFWithFlevelsFofFcoldFformingFandFaFratioFofFdeformationFaboveFFsFwFF¨FforFmaterialsFofFgroupFFtFsForFaboveáFifFitFcanFbeFdemonstratedFinFspecificFcasesFthatFtheFresidualFelongationFafterFruptureFafterFcoldFformingFremainsFatFleastFFsFrFF¨áFthenFinFtheseFcasesFannealingFisFnotFrequiredäFbFElongationFpriorFtoFformingFF·FFsFvFF¨äFcFWithFlevelsFofFcoldFformingFandFaFratioFofFdeformationFaboveFFwFF¨FforFmaterialsFofFgroupFFtFtForFaboveáFifFproofFcanFbeFfurnishedFinFspecificFcasesFthatFtheFresidualFelongationFafterFruptureFafterFcoldFformingFremainsFatFleastFFsFrFF¨áFthenFinFtheseFcasesFannealingFisFnotFrequiredäFdFForFVdVdENFFsFuFvFvFwæFvãFtFrFsFváFF{äFtäFsäFF7.5.3.3 PipesForFaluminiumFandFaluminiumFalloysFheatFtreatmentFshallFbeFcarriedFoutFinFaccordanceFwithFTableFFyäFwæFtäFFFFFFFFFFSIST EN 13480-8:2018

EN13480æ8:2017Issue1(2017æ06)18Table7.5æ2—HeattreatmentofpipesaftercoldformingFMaterialgroupsaccordingtoTable5.2æ1MeanbendingradiusofthepipeFrm ExternaldiameterofthetubeFdo HeattreatmentFtFsFF·FFsáFuFDeFallFdiametersFnoFFtFsFF´FFsáFuFDeFallFdiametersFyesáFannealingFFtFtäFsaáFFtFtäFtaáFFtFtäFuaáFFtFtäFvaFF·FFtáFwFDeFallFdiametersFnoFFtFtäFsaáFFtFtäFtaáFFtFtäFuaáFFtFtäFvaFF´FFtáFwFDeFallFdiametersFyesáFannealingFNOTEFForFdoFandFrmFseeFENFFsFuFvFzFræFvãFtFrFsFyáFFigureFFyäFtäFtæFsäFaFElongationFpriorFtoFformingFF·FFsFvFF¨äF 7.5.4 HeattreatmentafterhotformingForFheatFtreatmentFafterFhotFformingFtheFrequirementsFofFENFFsFuFvFzFræFvãFtFrFsFyáFFyäFuFareFnotFapplicableFforFindustrialFpipingFofFaluminiumFandFaluminiumFalloysäFForFaluminiumFandFaluminiumFalloysFtheFheatFtreatmentFshallFbeFcarriedFoutFinFaccordanceFwithFTableFFyäFwæFuFandFasFfollowingãFTheFheatFtreatmentFparametersFshallFbeFinFaccordanceFwithFtheFmaterialFspecificationFofFtheFmaterialFmanufactureräFTheFgeneralFheatFtreatmentFparametersFshallFbeãF theFheatingFrateFshallFbeFasFrapidFasFpossibleâFF theFholdingFtemperatureFshallFbeFinFtheFrangeFbetweenFFuFtFrFF¹CFandFFuFzFrFF¹CFdependingFonFtheFalloyFtypeâF theFholdingFtimeFatFtheFholdingFtemperatureFshallFbeFbetweenFFsFrFminFandFFxFrFminFdependingFonFtheFratioFofFcoldFformingâF theFcoolingFshallFbeFperformedFinFstillFairáFtheFcoolingFrateFneedsFnotFtoFbeFcontrolledäFFTable7.5æ3—HeattreatmentafterhotformingMaterialgroupsaccordingtoTable5.2æ1HotformingconditionsHeattreatmentFtFsáFFtFtFHeatFtreatmentFshouldFbeFappliedFifFtheFformingFprocessFofFtheFlastFformingFstageFisFcompletedFatFF¶FFuFrFrFF¹CäFYesáFannealingFNoFsubsequentFheatFtreatmentFshouldFbeFappliedFifFtheFformingFprocessFofFtheFlastFformingFstageFisFcompletedFaboveFFuFrFrFF¹CäFnoFFFFFSIST EN 13480-8:2018

EN13480æ8:2017Issue1(2017æ06)197.6 Welding7.6.1 WeldingpersonnelTheFrequirementsFaccordingFtoFENFFsFuFvFzFræFvãFtFrFsFyáFF{äFsFshallFapplyFwithFtheFfollowingFmodificationFforFaluminiumFandFaluminiumFalloysãFReplaceFtheFreferenceFtoFENFFtFzFyæFsFbyFENFISOFF{FxFrFxæFtãFtFrFrFv.FF7.6.2 WeldingprocessesTheFrequirementsFaccordingFtoFENFFsFuFvFzFræFvãFtFrFsFyáFF{äFuFshallFapplyFwithFtheFfollowingFmodificationFforFaluminiumFandFaluminiumFalloysãFQualificationFofFweldingFprocedTheFrequirementsFaccordingFtoFENFFsFuFvFzFræFvãFtFrFsFyáFF{äFuäFsFshallFapplyFwithFtheFfollowingFmodificationsFforFaluminiumFandFaluminiumFalloysãFReplaceFreferenceFtoFENFISOFFsFwFxFsFvæFsFbyFENFISOFFsFwFxFsFvæFtãFtFrFrFwäFFurthermoreáFimpactFtestingFisFnotFapplicableFforFpipingFofFaluminiumFandFaluminiumFalloysáFseeFFwäFyäFOxyFfuelFgasFweldingFprocessesFaccordingFtoFENFISOFFvFrFxFuãFtFrFsFrFareFnotFpermittedäFForFqualificationFofFweldingFproceduresFforFENFAWFFxFrFxFsFmaterialáFtheFresultFofFtheFtensileFtestsFcarriedFoutFinFaccordanceFwithFENFISOFFsFwFxFsFvæFtãFtFrFrFwFshallFshowFtheFfollowingFdataFwithFTFF±FFsãFminimumFRmFF±FFsFxFwFMPaâFminimumFRpFráFtFF±FFsFsFrFMPaäF7.6.3 WeldjointpreparationTheFweldFjointFpreparationFshallFbeFinFaccordanceFwithFtheFapplicableFWPSäFFAssemblyFandFweldingFofFsocketFweldsFshallFbeFinFaccordanceFwithFFigureFFyäFxäFuæFsäFItFisFimportantFthatFtheFFsáFwFmmFinternalFgapFisFmaintainedFpriorFtoFweldingFtoFallowFforFweldFshrinkageFandFtheFfilletFweldFlegFlengthFshallFbeFFsáFtFwFtimesFtheFpipeFminimumFthicknessFcalculatedFforFpressureForFFuFmmáFwhicheverFisFtheFgreateräFWhereFtheFsizeFofFfilletFweldFpermitsáFitFshouldFbeFcompletedFitheFsecondFrunFstaggeredFrelativeFtoFtheFfirstäFSIST EN 13480-8:2018

EN13480æ8:2017Issue1(2017æ06)20FKeyFaFApproximateFgapFbeforeFweldingFCxtFF±FMinimumFthicknessFcalculatedFunderFconsiderationFofFtheFmaximumFallowableFpressureFFigure7.6.3.1—Socketwelds7.6.4 PreheatingInFadditionFtoFtheFrequirementsFaccordingFtoFENFFsFuFvFzFræFvãFtFrFsFyáFF{äFsFsäFsFtheFfollowingFshallFapplyFforFindustrialFpipingFofFaluminiumFandFaluminiumFalloysãFSIST EN 13480-8:2018

EN13480æ8:2017Issue1(2017æ06)21PreheatingFofFaluminiumFisFnotFrequiredFforFmetallurgicalFreasonsFandFisFthereforeFnotFmandatoryäFPreheatingFmayFbeFappliedFbyFtheFmanufacturerFforFpracticalFreasonsáFeägäFaFheatingFatFaboutFFwFrFF¹CFmayFfacilitateFtheFeliminationFofFtracesFofFmoistureäFForFaluminiumFalloysFcontainingFFuáFrFF¨ForFmoreFmagnesiumFanFextendedFpreheatingFandFinterpassFtimeFatFtemperaturesFofFFsFwFrFF¹CFandFaboveFmayFresultFinFgrainFboundaryFprecipitationFofFAlFuæMgFtFdisintegrationFinFweldFareasäFManufacturingFproceduresFshouldFbeFdesignedFtoFavoidFsignificantFtimesFaboveFFsFwFrFF¹CFforFtheseFalloysäF7.6.5 BackingringsandbackingstripsInFadditionFtoFtheFrequirementsFaccordingFtoFENFFsFuFvFzFræFvãFtFrFsFyáFF{äFsFtFtheFfollowingFshallFapplyFforFindustrialFpipingFofFaluminiumFandFaluminiumFalloysãFPermanentFbackingFstripsFshallFnotFbeFusedFforFlongitudinalFseamsäFPermanentFbackingFringsFmayFbeFusedFforFcircumferentialFseamsFinFallFcategoriesFonlyFunderFtheFfollowingFconditionsãF sameFqualityFandFacceptanceFcriteriaFasFaFsingleFsidedFbuttFweldâFF theFinsideFofFtheFpipingFisFnotFsubjectFtoFcorrosionâFF backingFringFmaterialFshallFbeFofFtheFsameFaluminiumFsubFgroupFasFtheFpipingFunlessFtheFcombinationFofFotherFbackingFringFmaterialFhasFbeenFprovenFbyFaFWPQRFaccordingFtoFFENFISOFFsFwFxFsF
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