1、BRITISH STANDARD BS EN 10266:2003 Steel tubes, fittings and structural hollow sections Symbols and definitions of terms for use in product standards The European Standard EN 10266:2003 has the status of a British Standard ICS 01.040.77; 01.075; 77.140.75 BS EN 10266:2003 This British Standard, was p
2、ublished under the authority of the Standards Policy and Strategy Committee on 28 August 2003 BSI 28 August 2003 ISBN 0 580 42535 5 National foreword This British Standard is the official English language version of EN 10266:2003. The UK participation in its preparation was entrusted to Technical Co
3、mmittee ISE/8, Steel tubes, 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 this document may be found in t
4、he 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 contract. Users are responsible
5、 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 proposals for change, and keep the UK
6、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 title page, pages 2 to 17 and a back cover. The BSI copyright notice displayed in this document indicates w
7、hen the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN10266 August2003 ICS01.040.77;01.075;77.140.75 Englishversion Steeltubes,fittingsandstructuralhollowsectionsSymbolsand definitionsoftermsforuseinproductstandar
8、ds Tubesenacier,accessoiresetprofilscreuxenacierpourla constructionSymbolesetdfinitionsdestermesutiliser danslesnormesdeproduits Stahlrohre,FittingsundHohlprofilefrdenStahlbau SymboleundDefinitionvonBegriffenfrdieVerwendungin Erzeugnisnormen ThisEuropeanStandardwasapprovedbyCENon27June2003. CENmembe
9、rsareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember.
10、 ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium
11、,CzechRepublic,Denmark,Finland,France,Germany,Greece, Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Slovakia,Spain,Sweden,SwitzerlandandUn ited Kingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStas
12、sart,36B1050Brussels 2003CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN10266:2003EEN10266:2003(E) 2 Contents Foreword . 3 1 Scope 4 2 Definitionsoftermstobeusedinproductstandards . 4 3 Symbolsforuseinproductstandards 6 3.1 Generalsymbols. . 6 3.2
13、Additionalsymbolsforstructuralhollowsections. . 7 3.3 Additionalsymbolsfortesting . 8 3.4 Additionalsymbolsfortubularfittings . 9 Bibliography 17EN10266:2003(E) 3 Foreword Thisdocument(EN10266:2003)hasbeenpreparedbyTechnicalCommitteeECISS/TC29,“steeltubes andfittingsforsteeltubes“,thesecretariatofwh
14、ichisheldbyUNI. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofan identicaltextorbyendorsement,atthelatestbyFebruary2004,andconflictingnationalstandardsshall bewithdrawnatthelatestbyFebruary2004. ThisEuropeanStandardisderivedfromISO3545“SteeltubesandfittingsSymbols
15、forusein specifications”. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthe followingcountriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic, Denmark,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Luxembourg,Malta, Netherlands,Nor
16、way,Portugal,Slovakia,Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN10266:2003(E) 4 1 Scope ThisEuropeanStandardgivesthesymbolsanddefinitionsoftermsforuseinproductstandardsfor steeltubes,fittingsandsteelstructuralhollowsections. NOTE Fordefinitionsoftermsnonspecifictotubularproducts,seeotherrelevant
17、standardse.g.ENISO9000 1. 2 Definitionsoftermstobeusedinproductstandards 2.1 tube hollowlongproductopenatbothends,ofanycrosssectionalshape 2.2 structuralhollowsection tubeintendedtobeusedforconstructionpurposes 2.3 fitting componentforattachingtoatubeforjoiningtubestogetherorforchangingthedirectiono
18、rboreofa tube 2.4 seamlesstube(S) tubemadebypiercingasolidproducttoobtainatubehollow,whichisfurtherprocessed,eitherhotor cold,intoitsfinaldimensions 2.5 weldedtube(W) tubemadebyformingahollowprofilefromaflatproductandweldingadjacentedgestogether.After weldingthetubemaybefurtherprocessed,eitherhotorc
19、old,intoitsfinaldimensions 2.6 buttweldedtube(BW) (alsoknownascontinuousweldtubeorFretzMoontube )tubemadebyacontinuousprocessinwhich decoiledstrip,weldedendtoend,ispassedthroughafurnace,formedintoahollowprofileandthe seamweldmadebyfurtherraisingofthetemperatureoftheadjacentedges(e.g.usingajetofoxyge
20、n), andpressingtheedgestogether 2.7 electricweldedtube(EW) tubemadebypressurewelding,inacontinuousornoncontinuousprocess,inwhichstripisformedcold intoahollowprofileandtheseamweldmadebyheatingtheadjacentedgesthroughtheresistanceto thepassageofhighorlowfrequencycurrent,andpressingtheedgestogether.Thee
21、lectriccurrent maybeappliedeitherbydirectelectrodecontactorbyinduction. 2.8 highfrequencyweldedtube(HFW) tubemadebypressurewelding,inacontinuousornoncontinuousprocess,inwhichstripisformedcold intoahollowprofileandtheseamweldmadebyheatingtheadjacentedgesthroughtheresistanceto thepassageofahighfrequen
22、cycurrent,andpressingtheedgestogether.Theelectriccurrentmaybe appliedeitherbydirectelectrodecontactorbyinduction.EN10266:2003(E) 5 2.9 submergedarcweldedtube(SAW) tubemadebyformingeitherhotorcoldahollowprofilefromstriporplateandweldingtheadjacent edgestogether,withoutpressure,byadditionoffillermetal
23、.Theadjacentedgesandthefillermetalare heatedtoweldingtemperaturebyanarcgeneratedbytheresistancetothepassageofanelectric current.Thearcgeneratedandthemoltenmetalareprotectedfromatmosphericcontaminationbythe presenceofalayerofflux. Thetubesmayhaveoneortwolongitudinalseamwelds(SAWL)oronehelicalseamweld
24、(SAWH)with atleastonepassontheinsideofthetubeandatleastonepassontheoutsideofthetube. 2.10 combinationweldedtube(COW) tubemadebyformingeitherhotorcoldahollowprofilefromstriporplateandweldingtheadjacent edgestogether,withoutpressure,byadditionoffillermetal.Thefirstpassismadebyacontinuousgas metalarcwe
25、ldingprocessfollowedbyautomaticsubmergedarcweldingwithatleastonepassonthe insideofthetubeandatleastonepassontheoutsideofthetube. Thetubemayhaveoneortwolongitudinalseamwelds(COWL)oronehelicalseamweld(COWH). 2.11 jointer twopiecesoftubeconnectedtogetherbyacircumferentialweld(toobtaintherequireddeliver
26、ylength) 2.12 stripendweld weldthatjoinsstripendstogether 2.13 randomlength deliverylengthwherethelengthandtoleranceofindividualtubesarenotdefined.Howeveralength rangemaybeagreed. 2.14 approximatelength deliverylength,specifiedbythepurchaser,withaunilateralorabilateraltoleranceasspecifiedinthe produ
27、ctstandard 2.15 standardlength deliverylength,withaunilateralorabilateraltoleranceasspecifiedintheproductstandard 2.16 exactlength deliverylength,specifiedbythepurchaser,witharestrictedunilateraltoleranceasspecifiedinthe productstandard 2.17 manufacturer organizationthatmanufacturesproductsinaccorda
28、ncewiththerelevantstandard(s)anddeclaresthe complianceofthedeliveredproductswithallapplicableprovisionsoftherelevantstandard(s) 2.18 agreement contractualarrangementbetweenmanufacturerandpurchaseratthetimeofenquiryandorderEN10266:2003(E) 6 3 Symbolsforuseinproductstandards 3.1 Generalsymbols Symbol
29、Unit Definition A cm 2 Crosssectionalareaoftheproduct B mm Specifiedlengthofthesideofsquaretubeofhollowsectionorthelength oftheshortersideorarectangulartubeorhollowsection(seeFigure2) CC Concentricity CC= min max min max T T T T D mm Specifiedoutsidediameter(seeFigure1) D max D min mm Maximumandmini
30、mumoutsidediameterofacirculartubeorhollow sectionmeasuredinthesameplane(seeFigure1) d mm Insidediameter(seeFigure1) H mm Specifiedlengthofthelongersideofarectangulartubeorhollowsection (seeFigure2) L mm Tubeorpiecelength M kg/m Massperunitlength O % Outofroundness O=100x( D max D min )/D T mm Specif
31、iedwallthickness T max T min mm Maximumandminimumwallthicknessofacirculartubeorhollowsection measuredinthesameplane(seeFigure1)EN10266:2003(E) 7 3.2 Additionalsymbolsforstructuralhollowsections Symbol Unit Definition C 1 /C 2 mm Lengthofcornerregionofasquareorrectangularhollowsection(seeFigure2) C t
32、 cm 3 Torsionalmodulusconstant e mm Deviationfromstraightness(seeFigure3) I cm 4 Secondmomentofarea I t cm 4 Torsionalinertiaconstant(polarmomentofinertiainthecaseofcircularhollow sectiononly) I Y cm 4 Secondmomentofareaabouttheyaxis(seeFigure4) I Z cm 4 Secondmomentofareaaboutthezaxis(seeFigure4) i
33、 mm Radiusofgyration A I i / i Y mm Radiusofgyrationaboutyaxis A I i Y Y / i Z mm Radiusofgyrationaboutxaxis A I i Z Z / R mm Externalcornerradiusofasquareorrectangularhollowsection(seeFigure2) V mm Totalmeasuredtwist(seeFigure3) V 1 mm Twistmeasuredatoneendofasection W el cm 3 Elasticsectionmodulus
34、 W ely cm 3 Elasticsectionmodulusabouttheyaxis W ely = I/( H/2) W elz cm 3 Elasticsectionmodulusaboutthezaxis W elz = I/( B/2) W pl cm 3 Plasticsectionmodulus W ply cm 3 Plasticsectionmodulusabouttheyaxis W plz cm 3 Plasticsectionmodulusaboutthezaxis x mm Concavity( x 1 ),orconvexity( x 2 )(seeFigur
35、e3) (degree) Anglebetweenadjacentfacesofsquareorrectangularhollowsection(see Figure3)EN10266:2003(E) 8 3.3 Additionalsymbolsfortesting Symbol Unit Definition 3.3.1 Pressuretest p bar testpressure S MPa stressusedtocalculatethetestpressure 3.3.2 Flatteningtest(seeFigure5) c constantfactorofdeformatio
36、nintheformula H = (1 +c )xT c + (T/D) H mm distancebetweenplatensofthetestmachine 3.3.3 Driftexpandingtest(seeFigure6) C mm maximumoutsidediameteroftheexpandedtestpiece (degree) angleofthemandrel 3.3.4 Ringexpandingtest(seeFigure7) C mm maximumoutsidediameteroftheexpandedtestpiece D m max mm maximum
37、diameterofmandrel D m min mm minimumdiameterofmandrel k mm lengthofthetaperedpartofthemandrel 3.3.5 Flangingtest(seeFigure8) C mm maximumoutsidediameteroftheexpandedtestpiece r mm cornerradiusoftheflangingtool (degree) angleofthemandrel 3.3.6 Tubebendingtest r mm radiusatthebottomofthegrooveoftheben
38、dingformer (degree) angleofthebendEN10266:2003(E) 9 3.4 Additionalsymbolsfortubularfittings Symbol Unit Definition B mm Distancefromthebacktothefaceortothestartofthestraightendforreturnbends (seeFigure12) D mm Majoroutsidediameter(seeFigures9and10) D 1 mm Minoroutsidediameter(seeFigures9and10) d mm
39、MajorinsidediameterseeFigures9and10) d 1 mm Minorinsidediameter(seeFigures9and10) F mm Distancefromthefacetothecentreforequalteesorfromthefacetotheaxisfor 90elbows(seeFigures10and12) G mm Distancefromthefaceofthebranchtothecentreforreducingtees(seeFigure10) H mm Distancefromthefacetothecentrefor45el
40、bows(seeFigure12) K mm Totalheightforcaps(seeFigure11) L mm Distancefromthefacetofaceforreducers(seeFigure9) L 1 mm Lengthofstraightendforelbowsandreturnbends(seeFigure12) PQU mm Toleranceontheformofthefitting(misalignment,squareness,)(seeFigure13) R mm Valueofthebendingradiusattheneutralfibreforelb
41、owsorreturnbends(see Figure12) T mm Thicknessonthemajordiameter(seeFigures9and10) T 1 mm Thicknessontheminordiameter(seeFigures9and10)EN10266:2003(E) 10 a)Dimensions b)Outofroundness c)Concentricity Figure1Circulartubeorhollowsections Figure2SquareandrectangularhollowsectionsDimensionsEN10266:2003(E
42、) 11 a)Twist b)Convexity/concavity c)Deviationfromstraightness d)Outofsquareness Figure3Toleranceonhollowsections a)Circular b)Noncircular Figure4AxesofhollowsectionsEN10266:2003(E) 12 Figure5Flatteningtest Figure6DriftexpandingtestEN10266:2003(E) 13 Figure7Ringexpandingtest Figure8FlangingtestEN102
43、66:2003(E) 14 a)Concentric b)Eccentric Figure9Concentricandeccentricreducers a)Equal b)Reducing Figure10Tees,equalandreducingEN10266:2003(E) 15 Figure11Caps Figure12BendsEN10266:2003(E) 16 Figure13TolerancesontheformofbendsandteesEN10266:2003(E) 17 Bibliography ENISO9000,QualitymanagementsystemsFundamentalsandvocabulary(ISO9000:2000)BS EN 10266:2003 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards.
