1、BRITISH STANDARD BS EN 10092-2:2003 Hot rolled spring steel flat bars Part 2: Ribbed and grooved spring leaves Dimensions and tolerances on shape and dimensions The European Standard EN 10092-2:2003 has the status of a British Standard ICS 77.140.25; 77.140.60 BS EN 10092-2:2003 This British Standar
2、d, was published under the authority of the Standards Policy and Strategy Committee on 3 December 2003 BSI 3 December 2003 ISBN 0 580 43025 1 National foreword This British Standard is the official English language version of EN 10092-2:2003. The UK participation in its preparation was entrusted to
3、Technical Committee ISE/31,Wrought steels, 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 ma
4、y 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. This publication does not purport to include all the necessary provisions of a contract. Users
5、are responsible 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, a
6、nd 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 inside front cover, the EN title page, pages 2 to 9 and a back cover. The BSI copyright notice displayed in this docume
7、nt indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN100922 October2003 ICS77.140.25;77.140.60 Englishversion HotrolledspringsteelflatbarsPart2:Ribbedandgrooved springleavesDimensionsandtoleranceson
8、shapeand dimensions PlatslaminschaudenaciersressortPartie2:Plats pourlamesderessortsrainesetnervuresDimensions ettolrancessurlaformeetlesdimensions WarmgewalzteFlachstbeausFederstahlTeil2: GerippterFederstahlMae,Formtoleranzenund Grenzabmae ThisEuropeanStandardwasapprovedbyCENon4September2003. CENme
9、mbersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmemb
10、er. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belg
11、ium,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:ruedeS
12、tassart,36B1050Brussels 2003CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN100922:2003EEN100922:2003(E) 2 Contents page Foreword . 3 1 Scope 4 2 Normativereferences 4 3 Termsanddefinitions. 4 4 Designation 4 5 Dimensions 4 6 Tolerancesondimensionsa
13、ndshape 6 6.1 Thickness( t) 6 6.2 Width( b). 6 6.3 Length( L). 6 6.4 Straightness( q). 6 6.5 ConvexityandConcavity . 6 6.6 Lateraloffsetofthegrooveandtherib 6 7 Measurements . 8 7.1 Thicknessandwidth. 8 7.2 Length 8 7.3 Straightness. 8 7.4 ConvexityandConcavity . 9 7.5 Lateraloffsetofthegrooveandthe
14、rib 9EN100922:2003(E) 3 Foreword Thisdocument(EN100922:2003)hasbeenpreparedbyTechnicalCommitteeECISS/TC11 “StructuralsteelsectionsandhotrolledsteelbarsforengineeringuseDimensionsandtolerances “, thesecretariatofwhichisheldbyBSI. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypu
15、blicationofan identicaltextorbyendorsement,atthelatestbyApril2004,andconflictingnationalstandardsshall bewithdrawnatthelatestbyApril2004. ThisEuropeanStandardreplaces: EURONORM9275 Hotrolledflatsforspringleaves. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthe foll
16、owingcountriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,Czech Republic,Denmark,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Luxembourg, Malta,Netherlands,Norway,Portugal,Slovakia,Spain,Sweden,SwitzerlandandtheUnited Kingdom.EN100922:2003(E) 4 1Scope ThisPartofthisEuropea
17、nStandardspecifiesthenominaldimensionsandthetoleranceson dimensionsandshapeofhotrolledspringsteelflatbarsforribbedandgroovedspringleaves. ThisstandardisapplicableonlytosteelflatsproducedfromsteelgradesspecifiedinEN10089. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference
18、provisionsfromother publications.Thesenormativereferencesarecitedattheappropriateplacesinthetext,andthe publicationsarelistedhereafter.Fordatedreferencessubsequentamendmentstoorrevisionsofany ofthesepublicationsapplytothisEuropeanStandardonlywhenincorporatedinitbyamendmentor revision.Forundatedrefer
19、encesthelatesteditionofthepublicationreferredtoapplies(including amendments). EN10079:1992, Definitionofsteelproducts EN10089, HotrolledsteelsforquenchedandtemperedspringsTechnicaldeliveryconditions 3 Termsanddefinitions ForthepurposesofthisEuropeanStandardthetermsanddefinitionsgiveninEN10079:1992ap
20、ply. 4Designation Thedesignationofhotrolledspringsteelflatbarsforspringleavesshallcomprise: theterm”Springsteelflatbar”; thenumberofthisEuropeanStandard(EN100922); dimensionsinmm(widthxthicknessxlength(M,ForE,seetable3); thenumberofthequalitystandard(EN10089)andthesteelnameorsteelnumberoftheordered
21、steel; EXAMPLE SpringsteelflatbarEN10092260x10x3000F steelEN1008951CrV4 5Dimensions HotrolledflatsforribbedandgroovedspringleavescomplyingwiththisEuropeanStandardshallbe producedwiththespecifieddimensionsgivenintable1andillustratedinfigure1.EN100922:2003(E) 5 Figure1Hotrolledflatforribbedandgrooveds
22、pringleaves Table1Dimensionsandmassofhotrolledflatsforspringleaves Dimensionsinmillimetres Thickness t 8 9 10 13 14 15 16 20 R min. 3,25 4,5 Width b Mass a inkg/m 60 3,68 70 5,34 75 8,68 90 6,32 6,91 9,03 11,2 100 10,1 11,6 12,4 120 12,1 13,0 14,0 14,9 18,7 a Calculatedusingadensityof7,85kg/dm 3 .EN
23、100922:2003(E) 6 6 Tolerancesondimensionsandshape 6.1Thickness ( t) Thedeviationfromnominalthickness( t)shallbewithinthetolerancegivenintable2. 6.2Width ( b) Thedeviationfromnominalwidth( b)shallbewithinthetolerancegivenintable2. 6.3Length ( L) Dependingonthetypeoflengththeflatsshallbecuttolengthswi
24、thintolerancesgivenintable3. 6.4Straightness ( q) Thestraightnessshallcomplywiththerequirementsgivenintable2. 6.5 ConvexityandConcavity Theconvexityandconcavityshallcomplywiththerequirementsgivenintable2. 6.6 Lateraloffsetofthegrooveandtherib Thelateraloffsetofthegrooveandtheribshallcomplywiththereq
25、uirementsgivenintable2.EN100922:2003(E) 7 Table2Tolerancesondimensionsandshapeofhotrolledflatsforspringleaves Width b Limitdeviation 0,5 Thickness t Nominaldimension Limitdeviation t 13 0,2 13 t 0,3 Convexity 0 Concavity a Nominalthicknessof leaf Reductionofthickness(differencebetweenthe thicknessat
26、theedgeandthecentreoftheleaf) t 10 0,2 10 t 0,3 Lateraloffsetofthegrooveandtherib 0,3 Straightness q Tolerance q 0,15%of L b q L a Thefacesmaybeslightlyconcavebuttheresultanttotalthicknessshallbereducedbynomorethanthevalues.EN100922:2003(E) 8 Table3Tolerancesonlengths Dimensionsinmillimetres Length
27、Typeoflength Range a Limitdeviation Orderingdata forthelength Manufacturinglength(M) b 3000to8000 c None b Fixedlength(F) 3000to8000 100 d Desiredfixedlength Exactlength(E) 3000to8000 50 Desiredexact 25or lengthanddesired 10 d limitdeviation a Enquiriesshouldbemadetothemanufacturerastowhethershorter
28、orgreaterlengthscanbesupplied. b Ribbedandgroovedspringsteelcanalsobesuppliedinlimitedmanufacturinglengthswithalengthrangetobe statedwhenordering.Thespanbetweentheshortestandgreatestlengthofthisrangeshallbeatleast2000mm (forexample,6000to8000). c Whenorderedbyweight,thelengthmayvarybetweenthemaximum
29、andminimumdimensionsspecifiedforthe manufacturinglength. d Whenordering,thetotalrangesforthepermissibledeviationsmay,byagreement,beentirelyontheplusside,for example: 200 0 mm(insteadof 100mm)inthecaseoffixedlengths,or 50 0 mm(insteadof 25mm)inthecaseofexactlengths. 7Measurements 7.1Thickness and wid
30、th Thethicknessandwidthshallbemeasuredatanypointsituatedatleast100mmfromtheendofthe flatbar.Coldshearingcandeformthebarends.Theconditionofendscanbeagreedattimeof enquiryandorder. 7.2Length Thelengthshallbemeasuredasthelongestlengthoftheflat. 7.3Straightness Thestraightnessshallbemeasuredoverthetotal
31、length Loftheflat.EN100922:2003(E) 9 7.4 ConvexityandConcavity Theconvexityandconcavityshallbemeasuredatanypointsituatedatleast100mmfromtheendof theflatbar. 7.5 Lateraloffsetofthegrooveandtherib Thelateraloffsetofthegrooveandtheribshallbemeasuredatanypointsituatedatleast100mm fromtheendoftheflatbar.
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