1、BRITISH STANDARD BS EN 12805:2002 Automotive LPG components Containers The European Standard EN 12805:2002 has the status of a British Standard ICS 23.020.30; 43.060.40 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN 12805:2002 This British Standard, having been prepared
2、under the direction of the Engineering Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 28 June 2002 BSI 28 June 2002 ISBN 0 580 39981 8 National foreword This British Standard is the official English language version of EN 128
3、05:2002. The UK participation in its preparation was entrusted to Technical Committee PVE/19, LPG containers and their associated fittings, 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
4、 Standards which implement international or European publications referred to in 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
5、 This publication does not purport to include all the necessary provisions of a contract. Users of this publication are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; pres
6、ent to the responsible international/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 a front cover, an
7、inside front cover, the EN title page, pages 2 to 42, 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 EUROPISCHENORM EN12805
8、 May2002 ICS23.020.30;43.060.40 Englishversion AutomotiveLPGcomponentsContainers ComposantspourvhiculesauGPLRservoirs BauteilefrAutogasanlagen/Treibgasanlagen Autogastanks ThisEuropeanStandardwasapprovedbyCENon1March2002. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatet
9、heconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,Germ
10、an).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,
11、Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2002CEN Allrightsofexploitationinanyformandbyanymeansreserved worldw
12、ideforCENnationalMembers. Ref.No.EN12805:2002EEN12805:2002(E) 2 Contents page Foreword4 Introduction .5 1 Scope 5 2 Normativereferences 5 3 Terms,definitions,symbolsandabbreviations . 6 3.1 Termsanddefinitions. .6 3.2 Symbolsandabbreviations . .7 4 Technicalrequirements .8 4.1 Generalprovisions 8 4.
13、2 Dimensions.8 4.3 Steel.8 4.4 Designtemperature .9 4.5 Designpressure. 9 4.6 Heattreatment 9 4.7 Calculationofthepartsunderpressure. .9 4.7.1 Wallthicknessofthecylindricalshell . 9 4.7.2 Noncylindricalcontainers 10 4.7.3 Containerends .10 5 Constructionandworkmanship .11 5.1 Generalrequirements 11
14、5.2 Weldingrequirements .11 5.2.1 Weldingqualifications .11 5.2.2 Technicalweldingrequirements 11 5.2.3 Shiftrotatingofwelds . 11 5.2.4 Inspectionofwelds. .12 5.2.5 Weldrepair. .12 5.3 Tolerances 13 5.3.1 Outofroundness .13 5.3.2 Straightness .13 5.3.3 Capacity 13 5.3.4 Position.13 5.4 Openings.13 5
15、5 Accessories13 6 Markings .14 7 Testsduringtheproductionprocessandonprototypes1 5 7.1 Teststobeperformed . 15 7.2 Destructivetesting. 15 7.2.1 Generalrequirements 15 7.2.2 Tensiletest .16 7.2.3 Retestingforatensiletest 16 7.2.4 Bendtest. 16 7.2.5 Retestingforabendtest. 17 7.2.6 Macroscopicexaminat
16、ion. 17 7.3 Bursttestunderhydraulicpressure. .17 7.3.1 Testconditions . .17 7.3.2 Interpretationoftest 17 7.3.3 Testacceptanceconditions 17 7.3.4 Retestingforbursttest .18EN12805:2002(E) 3 7.4 Hydraulictest .18 7.5 Hardnesstest . 18 7.6 Fatiguetest,onlyforcontainersforwhichthestrengthcannotbecalcula
17、ted .19 7.7 Bonfiretest .19 7.7.1 General19 7.7.2 Containersetup 20 7.7.3 Firesource. .20 7.7.4 Temperatureandpressuremeasurements. 20 7.7.5 Generaltestrequirements . .20 7.7.6 Acceptableresults .21 7.8 Radiographicexamination 21 AnnexA (informative) Examplesofcontainershapes .22 AnnexB (informative
18、) Examplesofcontainerends .23 AnnexC (normative) Examplesofbuttwelds. 24 AnnexD (normative) Examplesofweldedplatesandrings25 AnnexE (normative) Shiftrotatingofwelds .26 AnnexF (normative) Toleranceonpositionofplateorring27 AnnexG (normative) Locationoftestspecimen 28 G.1 Locationoftestspecimenfroma2
19、sectioncontainer 28 G.2 Locationoftestspecimenfroma3sectioncontainer 29 G.3 Locationofmacrosectionforvalveboss/platewelds . 30 AnnexH (normative) Testspecimenformechanicaltests.31 AnnexI (normative) Radiographyofwelds . .32 AnnexJ (normative) Determinationoftheshapefactor C 33 Key 35 AnnexK (informa
20、tive) Typeapprovalrequirements.36 K.1 Applicationfortypeapproval . 36 K.2 ApprovalaccordingtoUNECERegulation67 .36 K.3 Modificationofacontainertypeandextensionofapproval .37 K.4 Conformityofproduction .37 K.5 Productiondefinitelydiscontinued 37 AnnexL (informative) Approvalmarkandcommunicationform .
21、38 L.1 Typeapprovalmark .38 L.2 Exampleofacommunicationform. .38 L.3 InternationalcountrynumbersinaccordancewithUNECEregulation67.41 Bibliography 42EN12805:2002(E) 4 Foreword ThisdocumentEN12805:2002hasbeenpreparedbyTechnicalCommitteeCEN/TC286,“Liquefiedpetroleumgas equipmentandaccessories“,thesecre
22、tariatofwhichisheldbyNSAI. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyNovember2002,andconflictingnationalstandardsshallbewithdrawnatthelatest byNovember2002. ThisdocumenthasbeenpreparedunderamandategiventoCENbytheEur
23、opeanCommissionandtheEuropean FreeTradeAssociation,andsupportsessentialrequirementsofEUDirective(s). AnnexesA,B,KandLareinformative,annexesCtoJarenormative. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:A
24、ustria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain, Sweden,SwitzerlandandtheUnitedKingdom.EN12805:2002(E) 5 Introduction ThisEuropeanStandarddefinesrequirementsforthedesign,manufacturingandtestingofweldedsteela
25、utomotive LiquefiedPetroleumGas(LPG)containers. ThisEuropeanStandardcallsfortheuseofsubstancesandproceduresthatcanbeinjurioustohealthifadequate precautionsarenottaken.Itrefersonlytotechnicalsuitabilityanddoesnotabsolvetheuserfromlegalobligations relatingtohealthandsafetyatanystage. Ithasbeenassumedi
26、nthedraftingofthisEuropeanStandardthatexecutionofitsprovisionsisentrustedto appropriatelyqualifiedandexperiencedpeople. 1Scope ThisEuropeanStandardspecifiestherequirementsfordesign,manufacturingandtestingofweldedsteel automotiveLiquefiedPetroleumGas(LPG)containers,tobepermanentlyattachedtoamotorvehi
27、cle,wherethe automotiveLPGistobeusedasafuelinthevehicle. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetext,andthepublicationsarelistedhereafter.For datedreferences,subsequen
28、tamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). EN2871, ApprovaltestingofweldersFusionweldingPart1:Steels. EN2883, Specificationandap
29、provalofweldingproceduresformetallicmaterialsPart3:Weldingproceduretests forthearcweldingofsteels. EN589, AutomotivefuelsLPGRequirementsandtestmethods. EN876, DestructivetestonweldsinmetallicmaterialsLongitudinaltensiletestonweldmetalinfusionwelded joints. EN895, Destructivetestsonweldsinmetallicmat
30、erialsTransversetensiletest. EN910, DestructivetestsonweldsinmetallicmaterialsBendtests. EN1435, NondestructiveexaminationofweldsRadiographicexaminationofweldedjoints. EN100021, MetallicmaterialsTensiletestingPart1:Methodoftestatambienttemperature. EN10120, Steelsheetandstripforweldedgascylinders. E
31、N227681, GeneraltolerancesPart1:Tolerancesforlinearandangulardimensionswithoutindividualtolerance indications(ISO27681:1989). ENISO65071, MetallicmaterialsVickershardnesstestPart1:Testmethod(ISO65071:1997) . ENISO7438, MetallicmaterialsBendtest(ISO7438:1985).EN12805:2002(E) 6 ENISO7799, Metallicmate
32、rialsSheetandstrip3mmthickorlessReversebendtest(ISO7799:1985) . ISO11061, RecommendedpracticeforradiographicexaminationoffusionweldedjointsPart1:Fusionwelded buttjointsinsteelplatesupto50mmthick. ISO2504, RadiographyofweldsandvewingconditionsforfilmsUtilizationofrecommendedpatternsofimage qualityind
33、icators(I.Q.I.). 3 Terms,definitions,symbolsandabbreviations 3.1 Termsanddefinitions ForthepurposesofthisEuropeanStandard,thefollowingtermsanddefinitionsapply. 3.1.1 testpressure pressuretowhichthecontainerissubjectedduringthetestprocedure 3.1.2 design pressure pressureonwhichthecalculationsarebased
34、 3.1.3 workingpressure pressureundernormaloperatingconditions 3.1.4 container vesselusedforthestorageofautomotiveLPG 3.1.5 cylindricalcontainer containerwithacylindricalshellandtwodishedends,eithertorisphericalorelliptical 3.1.6 specialcontainer containerotherthanthecylindricalcontainer 3.1.7 typeof
35、containers containeroragroupofcontainerswheretheindividualcontainerdoesnotdiffersignificantlywithrespecttothe followingconditions: themanufacturer(differenttradenamesormarkspossible); the shape; the openings; thematerial; the welding process; theheattreatment; theproductionline; the diameter;EN12805
36、2002(E) 7 height(incaseofaspecialcontainer); thenominalwallthickness 3.1.8 stressrelieving heattreatmentgiventoobjectstoreducetheresidualstresseswithoutalteringthemetallurgicalstructureofsteel, byheatingtoauniformtemperature,Ac 1 ,andcoolinginacontrolledatmosphere 3.1.9 normalising heatingtoaunifor
37、mtemperature,Ac 3 ,ofthesteelandthencoolinginacontrolledatmosphere 3.1.10 hotrolled deformationofthematerialatthecriticaltemperatureAc 3 NOTE Ac1andAc 3willbeobtainedfromthematerialdatasheet. 3.1.11 longitudinalweld weldoverthefulllengthoftheshellorcylindricalpartoftheshell,excludingweldsforfittings
38、 3.1.12 batch numberofcontainersmadeunderthesameprocess,thatbelongtothesamefamily 3.1.13 parentmaterial materialinthestatebeforeanyspecifictransformationwithregardstothecontainermanufacturingprocess 3.1.14 LiquefiedPetroleumGas(LPG) mixtureoflighthydrocarbons,gaseousundernormalatmosphericconditionsw
39、hichcanbeliquefiedbyincreased pressureordecreasedtemperature.Themaincomponentsarepropane,propene,butaneandbuteneisomers 3.1.15 automotiveLPG motorfuelcomplyingwithEN589 3.2 Symbolsandabbreviations a istheminimumcalculatedwallthicknessofthecylindricalshellinmm, b istheminimumcalculatedwallthicknessof
40、thedishedendsinmm, e istheactualwallthickness, C istheshapefactor, D isthenominaloutsidediameterofthecontainerinmm, F istheforceinN, g isthegravityinm/s 2 , h istheheightofcylindricalpartofdishedendinmm, H istheoutsideheightofdishedpartofcontainerendinmm,EN12805:2002(E) 8 P b isthemaximumpressuremea
41、suredinthebursttestinkPa, P h isthehydraulictestpressure/designpressureinkPa, r istheinsideknuckleradiusofthedishedendofthestandardcylindricalcontainerinmm, R istheinsidedishradiusofthedishedendofastandardcylindricalcontainerinmm, R e istheminimumyieldstressinN/mm 2 guaranteedbythematerialstandard,
42、R m istheminimumtensilestrengthinN/mm 2 guaranteedbythematerialstandard, z istheweldingfactor, HV istheVickershardness, PRV isthepressurereliefvalve, PRD isthepressurereliefdeviceorfuse. 4 Technicalrequirements 4.1 Generalprovisions ThecontainerforvehiclesusingautomotiveLPGintheirpropulsionsystemsha
43、llfunctioninacorrectandsafeway. ThematerialsofthecontainershallbecompatiblewithLPG. Allnecessarycorrosionpreventionmeasuresshallbetakentoprotectthefinishedcontainerincludingany permanentlyfixedparts. 4.2Dimensions Foralldimensionswithoutindicationoftolerances,generaltolerancesofEN227681shallapply. 4
44、3Steel Steelforshells,dishedends,weldedplatesandrings(seeannexD)shallbeinaccordancewithEN10120.Steels otherthanthoseinEN10120maybeused,providedthatthecontainercomplieswiththerequirementsofthis standard. Thecontainermanufacturershallensurethatallparentmaterialsarefreefromdefects. Containerpartsshallbemadeofmaterialsthatarecompatiblewhenwelded. Thefillermaterialsshallbecompatiblewiththematerialtoformweldswithpropertiesequivalenttoth
