1、BRITISH STANDARD BS EN 10312:2002 Welded stainless steel tubes for the conveyance of aqueous liquids including water for human consumption Technical delivery conditions The European Standard EN 10312:2002 has the status of a British Standard ICS 23.040.10 BS EN 10312:2002 This British Standard, havi
2、ng 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 6 January 2003 BSI 6 January 2003 ISBN 0 580 41075 7 National foreword This British Standard is the official English langu
3、age version of EN 10312:2002. It supersedes BS 4127:1994 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee ISE/8, Steel pipes, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secre
4、tary. Cross-references The British 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 Catalo
5、gue or of British Standards Online. This publication does not purport to include all the necessary provisions of a 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 th
6、e text; present 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 fron
7、t cover, an inside front cover, the EN title page, pages 2 to 27 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 EN10312 December2
8、002 ICS23.040.10 Englishversion Weldedstainlesssteeltubesfortheconveyanceofaqueous liquidsincludingwaterforhumanconsumptionTechnical deliveryconditions Tubessoudsenacierinoxydablepourletransportdes liquidesaqueux,ycomprisleaudestinela consommationhumaineConditionstechniquesde livraison GeschweiteRoh
9、reausnichtrostendenSthlenfrden TransportwssrigerFlssigkeiteneinschlielich TrinkwasserTechnischeLieferbedingungen ThisEuropeanStandardwasapprovedbyCENon16October2002. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofan
10、ationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation underth
11、eresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain
12、,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2002CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN10312:2002EEN10312:20
13、02(E) 2 Contents page Foreword . 4 Introduction. 5 1 Scope 6 2 Normativereferences 6 3 Termsanddefinitions . 7 4 Symbols 7 5 Classificationanddesignation 7 5.1 Classification . 7 5.2 Designation 7 6 Informationtobesuppliedbythepurchaser. 7 6.1 Mandatoryinformation . 7 6.2 Options. 8 6.3 Exampleofano
14、rder. . 8 7 Manufacturingprocess. 8 7.1 Gradesofsteelforfeedstockmaterial 8 7.2 Tubemanufactureanddeliveryconditions 8 8 Requirements. 9 8.1 General . 9 8.2 Chemicalanalysis . 9 8.3 Mechanicalproperties . . 9 8.4 Corrosionresistance 9 8.5 Appearanceandsoundness 9 8.6 Straightness. 10 8.7 Preparation
15、ofends. 10 8.8 Dimensions,massesandtolerances . . 10 8.9 Reactiontofire 13 9 Inspection. 13 9.1 Typeofinspection . 13 9.2 Inspectiondocuments 13 9.3 Contentofinspectiondocument . 13 9.4 Summaryofinspectionandtesting . . 14 10 Sampling 15 10.1 Frequencyoftests . . 15 10.2 Preparationofsamplesandtestp
16、ieces . 15 11 Testmethods . 15 11.1 Tensiletest. 15 11.2 Driftexpandingtest. 15 11.3 Flatteningtest 15 11.4 Leaktightnesstest 16 11.5 Nondestructivetestofweldseam 16 11.6 Visualexamination. . 16 11.7 Dimensionalinspection. . 16 11.8 Intergranularcorrosiontest . 17 11.9 Materialidentification . 17EN1
17、0312:2002(E) 3 12 Retests,sortingandreprocessing17 13 Marking.17 14 Packaging 17 AnnexA (informative) Preferredsteelgrades .18 AnnexB (informative) Recommendeduseoftubes .19 AnnexZA (informative) ClausesofthisEuropeanStandardaddressingtheprovisionsofthe EUConstructionProductsDirective.20 Bibliograph
18、y .27EN10312:2002(E) 4 Foreword ThisdocumentEN10312:2002hasbeenpreparedbyTechnicalCommitteeECISS/TC29“Steeltubes andfittingsforsteeltubes“,thesecretariatofwhichisheldbyUNI. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofan identicaltextorbyendorsement,atthelatestby
19、June2003,andconflictingnationalstandardsshallbe withdrawnatthelatestbySeptember2004. ThisdocumenthasbeenpreparedunderamandategiventoCENbytheEuropeanCommissionandthe EuropeanFreeTradeAssociationandsupportsessentialrequirementsofEUdirective(s). ForrelationshipwithEUDirective(s),seeinformativeannexZA,w
20、hichisanintegralpartofthisdocument. AnotherEuropeanStandardcoveringtubesfortheconveyanceofaqueousliquidsincludingwaterfor humanconsumptionis: EN10224,Nonalloysteeltubesandfittingsfortheconveyanceofaqueousliquidsincludingwaterfor humanconsumptionTechnicaldeliveryconditions . AnnexesAandBareinformativ
21、e. ThisdocumentincludesaBibliography. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark, Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,
22、Norway, Portugal,Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN10312:2002(E) 5 Introduction Inrespectofpotentialadverseeffectsonthequalityofwaterintendedforhumanconsumption,causedby theproductcoveredbythisstandard: a) thisstandardprovidesnoinformationastowhethertheproductmaybeusedwithoutrestrictioni
23、nany ofthememberstatesoftheEUorEFTA; b) itshouldbenotedthat,whileawaitingtheadoptionofverifiableEuropeancriteria,existingnational regulationsconcerningtheuseand/orthecharacteristicsofthisproductremaininforce. TheEuropeanCommitteeforStandardisation(CEN)drawsattentiontothefactthatitisclaimedthat compl
24、iancewiththisdocumentmayinvolvetheuseofapatentconcerningsteelgrade1.4362givenin TableA1. CENtakesnopositionconcerningtheevidence,validityandscopeofthispatentright. TheholderofthispermithasassuredCENthathe/sheiswillingtonegotiatelicencesunderreasonable andnondiscriminatorytermsandconditionswithapplic
25、antsthroughouttheworld.Inthisrespect,the statementoftheholderofthispatentrightisregisteredwithCEN.Informationmaybeobtainedfrom ABSandvikSteel 20SLS,FoUCentrum SE81181SANDVIKEN Sweden Attentionisdrawntothepossibilitythatsomeoftheelementsofthisdocumentmaybethesubjectof patentrightsotherthanthoseindica
26、tedabove.CENisnotresponsibleforidentifyinganysuchpatent rights.EN10312:2002(E) 6 1Scope ThisEuropeanStandardspecifiesthetechnicaldeliveryconditionsforlightgaugeweldedstainlesssteel tubes,primarilyforwaterapplication,includingwaterintendedforhumanconsumption,suppliedinstraight lengthsandsuitableforus
27、ewithcompressionfittingsorpressfittingsorforadhesivebonding,silver brazingorinertgasweldingofcapillaryfittings.Thestandardisapplicabletothesizerangefrom6mmto 267mmoutsidediametermadeofstainless(exceptmartensiticandprecipitationhardening)steelgrades takenfromEN100882. 2 Normativereferences ThisEurope
28、anStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications. Thesenormativereferencesarecitedattheappropriateplacesinthetext,andthepublicationsarelisted hereafter.Fordatedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapply tothisEuropeanStandardonlywhenincor
29、poratedinitbyamendmentorrevision.Forundatedreferences thelatesteditionofthepublicationreferredtoapplies(includingamendments). EN100021, MetallicmaterialsTensiletestingPart1:Methodoftestatambienttemperature. EN10020:2000, Definitionandclassificationofgradesofsteel. EN10021, Generaltechnicaldeliveryre
30、quirementsforsteelandironproducts. EN10052, Vocabularyofheattreatmenttermsforferrousproducts. EN100881 ,StainlesssteelsPart1:Listofstainlesssteels. EN100882, StainlesssteelsPart2:Technicaldeliveryconditionsforsheet/plateandstripforgeneral purposes. prEN10168 1) , IronandsteelproductsInspectiondocume
31、ntsListofinformationanddescription. EN10204, MetallicproductsTypesofinspectiondocuments. EN10233, MetallicmaterialsTubeFlatteningtest. EN10234, MetallicmaterialsTubeDriftexpandingtest. EN102461,Nondestructivetestingofsteeltubes Part1:Automaticelectromagnetictestingof seamlessandwelded(exceptsubmerge
32、darcwelded)ferromagneticsteeltubesforverificationofhydraulic leaktightness. EN102462 ,NondestructivetestingofsteeltubesPart2:Automaticeddycurrenttestingofseamless andwelded(exceptsubmergedarcwelded)austeniticandausteniticferriticsteeltubesforverificationof hydraulicleaktightness. EN102463, Nondestru
33、ctivetestingofsteeltubesPart3:Automaticeddycurrenttestingofseamless andwelded(exceptsubmergedarcwelded)steeltubesforthedetectionofimperfections. EN102468, NondestructivetestingofsteeltubesPart8:Automaticultrasonictestingoftheweldseam ofelectricweldedsteeltubesforthedetectionoflongitudinalimperfectio
34、ns. 1) Inpreparation;untilthisdocumentispublishedasaEuropeanStandard,acorrespondingnationalstandardshould beagreedatthetimeofenquiryandorder.EN10312:2002(E) 7 prEN10266 ,Steeltubes,fittingsandstructuralhollowsectionsDefinitionsandsymbolsforuseinproduct standards. ENISO377,SteelandsteelproductsLocati
35、onandpreparationofsamplesandtestpiecesfor mechanicaltesting(ISO377:1997). ENISO25662, SteelConversionofelongationvaluesPart2:Austeniticsteels(ISO25662:1984). ENISO36511 ,DeterminationofresistancetointergranularcorrosionofstainlesssteelsPart1: Austeniticandferriticaustenitic(duplex)stainlesssteelsCor
36、rosiontestinnitricacidmediumby measurementoflossinmass(Hueytest)(ISO36511:1998). ENISO36512, DeterminationofresistancetointergranularcorrosionofstainlesssteelsPart2:Ferritic, austeniticandferriticaustenitic(duplex)stainlesssteelsCorrosiontestinmediacontainingsulfuricacid (ISO36512:1998). 3 Termsandd
37、efinitions ForthepurposesofthisEuropeanStandardthetermsanddefinitionsgiveninEN10 020:2000,EN10021, EN10052,andprEN10266apply. 4Symbols SeeprEN10266. 5 Classificationanddesignation 5.1Classification TheclassificationofthesteelscontainedinthisEuropeanStandardisgiveninEN100881. 5.2Designation Fortubesc
38、overedbythisEuropeanStandard,thesteeldesignationconsistsofthenumberofthis EuropeanStandard(EN10312)andeitherthesteelnameinaccordancewithEN100271andCR10260 orthesteelnumberinaccordancewithEN100272. 6 Informationtobesuppliedbythepurchaser 6.1 Mandatoryinformation Thefollowinginformationshallbesupplied
39、bythepurchaseratthetimeofenquiryandorder. a) thequantity(totallengthornumber); b) thetermtube; c) thetubeseriesandthedimensions(outsidediameter,wallthickness)(seeTables1and2andannex B); d) thesteeldesignationaccordingtothisEuropeanStandard(see5.2);EN10312:2002(E) 8 e) thelength(5mor6m)(see8.8.3). 6.
40、2Options AnumberofoptionsarespecifiedinthisEuropeanStandardandthesearelistedbelow.Intheeventthat thepurchaserdoesnotindicateawishtoimplementanyoftheseoptionsatthetimeofenquiryandorder, thetubesshallbesuppliedinaccordancewiththebasicspecification. 1) annealedorsolutionannealedconditiondependingongrad
41、e(see7.2); 2) intergranularcorrosiontest(see8.4); 3) forusewithcapillary,compressionorpressfittings(see8.5.1andannexB); 4) lengthsotherthan5mand6m(see8.8.3); 5) removaloftheinternalweldbead(see8.8.6); 6) specificinspection(see9.1); 7) selectionofleaktightnesstestmethod(see11.4.1); 8) markingonalabel
42、(seeclause13); 9) endprotectionofthetubesorbundlesoftubes(seeclause14). 6.3 Exampleofanorder EXAMPLE1000mofweldedsteeltubeinaccordancewithEN10312series1withanexternaldiameterof 76,1mm,awallthicknessof1,5mm,instandardlengthsof6mmadeofsteelgradeX5CrNi1810and withmarkingonalabelwouldhavethefollowingdes
43、cription: 1000mtubeseries176,1 1,5EN10312X5CrNi18106option8 7 Manufacturingprocess 7.1 Gradesofsteelforfeedstockmaterial ThegradesofsteelrequiredshallbespecifiedfromEN100882. AlistofpreferredgradesisgiveninannexA. 7.2 Tubemanufactureanddeliveryconditions Tubeshallbemanufacturedfromsteelstripandlongitudinallyweldedwithouttheadditionoffillermaterial. Tubesshallnotincludeweldsusedforjoininglengthsofstrip. Tubeshallbesuppliedintheasweldedconditionunlessoption1isspecified. Option1:Thetubesshallbesuppliedinthesolutionannea
