1、BRITISH STANDARD BS EN 10296-1:2003 Welded circular steel tubes for mechanical and general engineering purposes Technical delivery conditions Part 1: Non-alloy and alloy steel tubes The European Standard EN 10296-1:2003 has the status of a British Standard ICS 77.140.75 BS EN 10296-1:2003 This Briti
2、sh Standard, was published under the authority of the Standards Policy and Strategy Committee on 24 June 2003 BSI 24 June 2003 ISBN 0 580 42142 2 National foreword This British Standard is the official English language version of EN 10296-1:2003. It supersedes BS 6323-7:1982 and BS 6323-2:1982 which
3、 will be withdrawn. Together with BS EN 10305-3 and BS EN 10305-5 it superseded BS 6323-5:1982, which will be withdrawn upon publication of the three standards. Together with BS EN 10296-2, BS EN 10297-1, BS EN 10305-1, BS EN 10305-2, BS EN 10305-3, BS EN 10305-4, BS EN 10305-5 and BS EN 10305-6 it
4、will supersede BS 6323-1:1982, which will be withdrawn upon publication of the other standards. 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 r
5、equest to its secretary. 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 BS
6、I Electronic Catalogue 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 enquire
7、rs to understand the 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 docume
8、nt comprises a front cover, an inside front cover, the EN title page, pages 2 to 29 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 EUROPISCHENOR
9、M EN102961 June2003 ICS77.140.75 Englishversion Weldedcircularsteeltubesformechanicalandgeneral engineeringpurposesTechnicaldeliveryconditionsPart1: Nonalloyandalloysteeltubes Tubesrondssoudsenacierpourutilisationenmcanique gnraleetenconstructionmcaniqueConditions techniquesdelivraisonPartie1:Tubese
10、naciernonalli etalli GeschweitekreisfrmigeStahlrohrefrden MaschinenbauundallgemeinetechnischeAnwendungen TechnischeLieferbedingungenTeil1:Rohreaus unlegiertenundlegiertenSthlen ThisEuropeanStandardwasapprovedbyCENon20February2003. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichs
11、tipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,Fr
12、ench,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Hungary
13、,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Slovakia,Spain,Sweden,SwitzerlandandUn ited Kingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2003CEN Allrightsofexploitationinanyform
14、andbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN102961:2003EEN102961:2003(E) 2 Contents Page Foreword3 1 Scope 4 2 Normativereferences 4 3 Termsanddefinitions. .5 4 Symbols 6 5 Classificationanddesignation .6 5.1 Classification6 5.2 Designation.6 6 Informationtobesuppliedbythepurchase
15、r. .6 6.1 Mandatoryinformation . .6 6.2 Options7 6.3 Exampleofanorder . .7 7 Manufacturingprocess . 7 7.1 Steelmakingprocess . 7 7.2 Deoxidationprocess. .8 7.3 Tubemanufactureanddeliveryconditions 8 8 Requirements .9 8.1 General9 8.2 Chemicalcomposition .9 8.3 Mechanicalproperties . 11 8.4 Appearanc
16、eandsoundness .13 8.5 Straightness .14 8.6 Endpreparation. .14 8.7 Dimensions,masses,tolerancesandsectionalproperties 1 4 9 Inspection .18 9.1 Typesofinspection . 18 9.2 Inspectiondocuments .19 9.3 Summaryofinspectionandtesting. 20 10 Sampling.21 10.1 Frequencyoftests . 21 10.2 Preparationofsamplesa
17、ndtestpieces . .22 11 Testmethods. .23 11.1 Tensiletestontheparentmaterial .23 11.2 Transversetensiletestontheweld .23 11.3 Flatteningtest .23 11.4 DriftExpandingTest. .23 11.5 Bendtestonfullsectiontube. 24 11.6 WeldBendTest . .24 11.7 Impacttest 24 11.8 Leaktightnesstest 25 11.9 Dimensionalinspecti
18、on. 25 11.10 Visualexamination 25 11.11 Nondestructivetestingoftheweld. 25 11.12 Retests,sortingandreprocessing. 26 12 Marking .26 13 Protection .26 AnnexA (informative) Typicalrangeofdimensionsfortubemanufacturingprocesses27 AnnexB (normative) Formulaeforcalculationofnominalsectionalproperties .28
19、Bibliography 29EN102961:2003(E) 3 Foreword Thisdocument(EN102961:2003)hasbeenpreparedbyTechnicalCommitteeECISS/TC29,“Steeltubesand fittingsforsteeltubes“,thesecretariatofwhichisheldbyUNI. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsemen
20、t,atthelatestbyDecember2003,andconflictingnationalstandardsshallbewithdrawnatthelatest byDecember2003. AnotherpartofEN10296incourseofpreparationis: Part2:Stainlesssteeltubes AnotherEuropeanStandardseriescoveringseamlesssteeltubesformechanicalandgeneralengineering purposesiscurrentlybeingprepared. EN
21、10297:Seamlesscircularsteeltubesformechanicalandgeneralengineeringpurposes Technical deliveryconditions. OtherEuropeanStandardseriesbeingpreparedinthisareaareprEN10294forhollowbarsformachiningand prEN10305forsteeltubesforprecisionapplications. AccordingtotheCEN/CENELECInternalRegulations,thenational
22、standardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal, Slovakia,Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN102961:2003(E)
23、 4 1Scope ThisPartofEN10296specifiesthetechnicaldeliveryconditionsforelectricwelded,laserbeamweldedand submergedarcweldedtubesofcircularcrosssectionmadeofnonalloyandalloysteelsformechanicaland generalengineeringpurposes. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference
24、,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedrefer
25、encesthelatesteditionofthe publicationreferredtoapplies(includingamendments). EN910, DestructivetestsonweldsinmetallicmaterialsBendtests. EN100021, MetallicmaterialsTensiletestingPart1:Methodoftestatambienttemperature. EN10020, Definitionandclassificationofgradesofsteel. EN10021, Generaltechnicaldel
26、iveryrequirementsforsteelandironproducts. EN100271, DesignationsystemsforsteelPart1:Steelnames,principalsymbols. EN100272, DesignationsystemsforsteelPart2:Numericalsystem. EN100451, MetallicmaterialsCharpyImpacttestPart1:Testmethod. EN10052, Vocabularyofheattreatmenttermsforferrousproducts. prEN1016
27、8 1) , SteelproductsInspectiondocumentsListofinformationanddescription. EN10204, MetallicproductsTypesofinspectiondocuments. EN10220, SeamlessandweldedsteeltubesDimensionsandmassesperunitlength. EN10232, MetallicmaterialsTube(infullsection)Bendtest. EN10233, MetallicmaterialsTubeFlatteningtest. EN10
28、234, MetallicmaterialsTubeDriftexpandingtest. EN102461, NondestructivetestingofsteeltubesPart1:Automaticelectromagnetictestingofseamlessand welded(exceptsubmergedarcwelded)ferromagneticsteeltubesforverificationofhydraulicleaktightness. EN102463, NondestructivetestingofsteeltubesPart3:Automaticeddycu
29、rrenttestingofseamlessandwelded (exceptsubmergedarcwelded)steeltubesforthedetectionofimperfections. EN102465,NondestructivetestingofsteeltubesPart5:Automaticfullperipheralmagnetictransducer/flux leakagetestingofseamlessandwelded(exceptsubmergedarcwelded)ferromagneticsteeltubesforthedetection oflongi
30、tudinalimperfections. EN102467, NondestructivetestingofsteeltubesPart7:Automaticfullperipheralultrasonictestingofseamless andwelded(exceptsubmergedarcwelded)steeltubesforthedetectionoflongitudinalimperfections. 1) Inpreparation;untilthisdocumentispublishedasaEuropeanStandard,acorrespondingnationalst
31、andardshouldbeagreedat thetimeof enquiryandorder.EN102961:2003(E) 5 EN102468,NondestructivetestingofsteeltubesPart8:Automaticultrasonictestingoftheweldseamof electricweldedsteeltubesforthedetectionoflongitudinalimperfections. EN102469,NondestructivetestingofsteeltubesPart9:Automaticultrasonictesting
32、oftheweldseamof submergedarcweldedsteeltubesforthedetectionoflongitudinaland/ortransverseimperfections. EN1024610, NondestructivetestingofsteeltubesPart10:Radiographictestingoftheweldseamofautomatic fusionarcweldedsteeltubesforthedetectionofimperfections. EN10256, NondestructivetestingofsteeltubesQu
33、alificationandcompetenceoflevel1and2nondestructive testingpersonnel. CR10260, DesignationsystemsforsteelAdditionalsymbols. prEN10266 2) ,Steeltubes,fittingsandstructuralhollowsectionsSymbolsanddefinitionsoftermsforusein productstandards. ENISO377, SteelandsteelproductsLocationandpreparationofsamples
34、andtestpiecesformechanicaltesting (ISO377:1997). ENISO643, SteelsMicrographicdeterminationoftheapparentgrainsize(ISO/DIS643:2003). ENISO25661, SteelConversionofelongationvaluesPart1:Carbonandlowalloysteels(ISO25661:1984). 3 Termsanddefinitions ForthepurposesofthisPartofEN10296,thetermsanddefinitions
35、giveninEN10020,EN10021,EN10 052and prEN10266andthefollowingapply. 3.1 finegrainsteel steelhavinganaustenitic/ferriticgrainsizeequaltoorfinerthan6whenmeasuredinaccordancewithENISO643. 3.2 normalizingrolling rollingprocessinwhichthefinaldeformationiscarriedoutinacertaintemperaturerangeleadingtoamateri
36、al conditionequivalenttothatobtainedafternormalizingsothatthespecifiedvaluesofthemechanicalpropertiesare retainedevenafternormalizing(+N) 3.3 thermomechanicalrolling rollingprocessinwhichthefinaldeformationiscarriedoutinacertaintemperaturerangeleadingtoamaterial conditionwithcertainpropertieswhichca
37、nnotbeachievedorrepeatedbyheattreatmentalone NOTE1 TheabbreviatedformofthisdeliveryconditionisM. NOTE 2 Subsequentheatingabove580Cmaylowerthestrengthvalues.Iftemperaturesabove580Careneeded referenceshouldbemadetothesupplier. NOTE3 ThermomechanicalrollingleadingtothedeliveryconditionMcanincludeproces
38、seswithanincreasingcoolingrate withorwithouttemperingincludingselftemperingbutexcludingdirectquenchingandtempering. 3.4 hotreducing processinwhichtheoutsidediameterofatubeisreducedbyarollingand/orstretchingprocessafterheatinginto theausteniticregion(i.e.aboveAc3) 2) Inpreparation;untilthisdocumentis
39、publishedasaEuropeanStandard,acorrespondingnationalstandardshouldbeagreedat thetimeof enquiryandorder.EN102961:2003(E) 6 NOTE Thethicknesscanbeincreasedordecreasedduringprocessing. 3.5 annealing heattreatmentatatemperatureslightlybelowAc1(+A) 3.6 employer organisationforwhichthepersonworksonaregular
40、basis NOTE Theemployermaybeeitherthetubemanufacturerorathirdpartyorganisationprovidingnondestructivetesting (NDT)services. 4Symbols ForthepurposeofthisPartofEN10296,thesymbolsgiveninprEN10266andCR10260apply. 5 Classificationanddesignation 5.1Classification InaccordancewithEN10020thegradesinTable2and
41、thegradeE275K2arenonalloyqualitysteels,grade E355K2isanalloyqualitysteel,gradeE460K2andthegradesinTable4arealloyspecialsteels. 5.2Designation 5.2.1 FortubescoveredbythisPartofEN10296thesteeldesignationconsistsof: thenumberofthispartofEN10296(EN102961); pluseither: thesteelnameinaccordancewithEN10027
42、1andCR10260;or thesteelnumberallocatedinaccordancewithEN100272; Thesteelnameisdesignatedby: thecapitalletterEforengineeringsteels; thespecifiedminimumyieldstrength( R e )MPafor T 16mm; NOTE Thespecifiedminimumyieldstrengthvarieswithdeliveryconditionandmaybehigherorlowerthanthedesignated value. theal
43、phanumericK2forsteelswithspecifiedimpactenergyof40Jat20 C; theletterMwhenthestriporplateisproducedbyathermomechanicalrollingprocess. 6 Informationtobesuppliedbythepurchaser 6.1Mandatoryinformation Thefollowinginformationshallbesuppliedbythepurchaseratthetimeofenquiryandorder: 1) thequantity(massortotallengthornumber);EN102961:2003(E) 7 2) theterm“tube“; 3) thedimensions(outsidediameter,wallthickness)(see8.7); 4) thesteeldesignationaccordingtothisPartofEN10296(see
