1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN ISO 7092:2000 The E
2、uropean Standard EN ISO 7092:2000 has the status of a British Standard ICS 21.060.30 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Plain washers Small series Product Grade AThis British Standard, having been prepared under the direction of the Engineering Sector Committee, w
3、as published under the authority of the Standards Committee and comes into effect on 15 September 2000 BSI 09-2000 ISBN 0 580 36148 9 BS EN ISO 7092:2000 Amendments issued since publication Amd. No. Date Comments National foreword This British Standard is the official English language version of EN
4、ISO 7092:2000. It is identical with ISO 7092:2000. The UK participation in its preparation was entrusted by Technical Committee FME/9, Bolts, Nuts present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests infor
5、med; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references Attention is drawn to the fact that CEN and CENELEC Standards normally include an annex w
6、hich lists normative references to international publications with their corresponding European publications. The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “Internationa
7、l Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British
8、 Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the EN ISO title page, the EN ISO foreword page, the ISO title page, pages ii to iii, a blank page, pages 1 to 5, the annex ZA page, an inside back cove
9、r and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued.EUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM ENISO7092 June2000 ICS21.060.30 Englishversion PlainwashersSmallseriesProductgradeA(ISO7092:2000) RondellesplatesSrietroiteGradeA(ISO7092
10、:2000) FlacheScheibenKleineReiheProduktklasseA(ISO 7092:2000) ThisEuropeanStandardwasapprovedbyCENon1June2000. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbib
11、liographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotif
12、iedtotheCentralSecretariathasthesamestatusast heofficial versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFOR
13、STANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG CentralSecretariat:ruedeStassart,36B1050Brussels 2000CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.ENISO7092:2000E2egaP OSINE0002:2907 Foreword ThetextoftheInternationalStandard
14、ISO7092:2000hasbeenpreparedbyTechnicalCommittee ISO/TC2“Fasteners“incollaborationwithTechnicalCommitteeCEN/TC185“Threadedand nonthreadedmechanicalfastenersandaccessories“,thesecretariatofwhichisheldbyDIN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofan identicalt
15、extorbyendorsement,atthelatestbyDecember2000,andconflictingnationalstandards shallbewithdrawnatthelatestbyDecember2000. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsof the followingcountriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic, Denmar
16、k,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway, Portugal,Spain,Sweden,SwitzerlandandtheUnitedKingdom. Endorsementnotice ThetextoftheInternationalStandardISO7092:2000wasapprovedbyCENasaEuropean Standardwithoutanymodification. NOTE:NormativereferencestoInternationa
17、lStandardsarelistedinannexZA(normative).Referencenumber ISO7092:2000(E) INTERNATIONAL STANDARD ISO 7092 Secondedition 2000-06-01 PlainwashersSmallseriesProduct gradeA Rondelles plates Srie troite Grade AISO7092:2000(E) ii ISO7092:2000(E)iii Foreword ISO(theInternationalOrganizationforStandardization
18、)isaworldwidefederationofnationalstandardsbodies(ISO memberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISOtechnical committees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestablishedhas therighttoberepresentedonthatcommittee.Internationalorganiz
19、ations,governmentalandnon-governmental,in liaisonwithISO,alsotakepartinthework.ISOcollaboratescloselywiththeInternationalElectrotechnical Commission(IEC)onallmattersofelectrotechnicalstandardization. InternationalStandardsaredraftedinaccordancewiththerulesgivenintheISO/IECDirectives,Part3. DraftInte
20、rnationalStandardsadoptedbythetechnicalcommitteesarecirculatedtothememberbodiesforvoting. PublicationasanInternationalStandardrequiresapprovalbyatleast75%ofthememberbodiescastingavote. AttentionisdrawntothepossibilitythatsomeoftheelementsofthisInternationalStandardmaybethesubjectof patentrights.ISOs
21、hallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights. InternationalStandardISO7092waspreparedbyTechnicalCommitteeISO/TC2, Fasteners. Thissecondeditioncancelsandreplacesthefirstedition(ISO7092:1983),whichhasbeentechnicallyrevised.INTERNATIONALSTANDARD ISO7092:2000(E)1 PlainwashersSmallserie
22、sProductgradeA 1 Scope ThisInternationalStandardspecifiesthecharacteristicsofsmall-series,product-grade-Aplainwashersinthe 200HVand300HVhardnessclassesandofnominalsizes(nominalthreaddiameters)rangingfrom1,6mmto 36mminclusive. Washersofhardnessclass200HVaresuitablefor cheeseheadscrewsinpropertyclasse
23、suptoandincluding8.8,ormadeofstainlesssteel; hexagonsocketheadcapscrewsinpropertyclassesuptoandincluding8.8,ormadeofstainlesssteel; hexalobularsocketheadcapscrewsinpropertyclassesuptoandincluding8.8,ormadeofstainlesssteel; case-hardenedthreadrollingscrewswithcheeseheads. Washersofhardnessclass300HVa
24、resuitablefor hexagonsocketheadcapscrewsinpropertyclassesuptoandincluding10.9; hexalobularsocketheadcapscrewsinpropertyclassesuptoandincluding10.9. IfdimensionsotherthanthoselistedinthisInternationalStandardarerequired,theyshouldbeselectedfromthose giveninISO887. Whensoftmaterialpiecesareclamped,orl
25、argeclearanceholesintheworkpieceareused,theusershouldcheck thetechnicalsuitabilityofthistypeofwasher.ISO7092:2000(E) 2 2 Normativereferences Thefollowingnormativedocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsof thisInternationalStandard.Fordatedreferences,subsequenta
26、mendmentsto,orrevisionsof,anyofthese publicationsdonotapply.However,partiestoagreementsbasedonthisInternationalStandardareencouragedto investigatethepossibilityofapplyingthemostrecenteditionsofthenormativedocumentsindicatedbelow.For undatedreferences,thelatesteditionofthenormativedocumentreferredtoa
27、pplies.MembersofISOandIEC maintainregistersofcurrentlyvalidInternationalStandards. ISO887:2000, Plain washers for metric bolts, screws and nuts for general purposes General plan. ISO3269:2000, Fasteners Acceptance inspection. ISO3506-1:1997, Mechanical properties of corrosion-resistant stainless-ste
28、el fasteners Part 1: Bolts, screws and studs. ISO4042:1999, Fasteners Electroplated coatings. ISO4759-3:2000, Tolerances for fasteners Part 3: Plain washers for bolts, screws and nuts Product grades A and C. ISO6507-1:1997, Metallic materials Vickers hardness test Part 1: Test method. ISO10683 1) ,
29、Fasteners Non-electrolytically applied zinc flake coatings. 3 Dimensions SeeFigure1andTables1and2. Dimensionsinmillimetres, surfaceroughnessvaluesinmicrometres Figure1Dimensions 1)Tobepublished.ISO7092:2000(E)3 Table1Preferreddimensions Dimensionsinmillimetres Nominalsize Clearancehole Outsidediamet
30、er Thickness d 1 d 2 h nom. max. nom. min. nom. max. min. (Nominal thread diameter,d) (min.) (max.) 1,6 1,70 1,84 3,5 3,2 0,3 0,35 0,25 2 2,20 2,34 4,5 4,2 0,3 0,35 0,25 2,5 2,70 2,84 5,0 4,7 0,5 0,55 0,45 3 3,20 3,38 6,0 5,7 0,5 0,55 0,45 4 4,30 4,48 8,00 7,64 0,5 0,55 0,45 5 5,30 5,48 9,00 8,64 1
31、1,1 0,9 6 6,40 6,62 11,00 10,57 1,6 1,8 1,4 8 8,40 8,62 15,00 14,57 1,6 1,8 1,4 10 10,50 10,77 18,00 17,57 1,6 1,8 1,4 12 13,00 13,27 20,00 19,48 2 2,2 1,8 16 17,00 17,27 28,00 27,48 2,5 2,7 2,3 20 21,00 21,33 34,00 33,38 3 3,3 2,7 24 25,00 25,33 39,00 38,38 4 4,3 3,7 30 31,00 31,39 50,00 49,38 4 4,
32、3 3,7 36 37,00 37,62 60,0 58,8 5 5,6 4,4 Table2Non-preferreddimensions Dimensionsinmillimetres Nominalsize Clearancehole Outsidediameter Thickness d 1 d 2 h nom. max. nom. min. nom. max. min. (Nominal thread diameter,d) (min.) (max.) 3,5 3,70 3,88 7,00 6,64 0,5 0,55 0,45 14 15,00 15,27 24,00 23,48 2
33、,5 2,7 2,3 18 19,00 19,33 30,00 29,48 3 3,3 2,7 22 23,00 23,33 37,00 36,38 3 3,3 2,7 27 28,00 28,33 44,00 43,38 4 4,3 3,7 33 34,00 34,62 56,0 54,8 5 5,6 4,4ISO7092:2000(E) 4 4 RequirementsandInternationalStandardsofreference SeeTable3. Table3SpecificationsandInternationalStandardsofreference Materia
34、l a Steel Stainlesssteel A2 F1 C1 Grade b A4 C4 International Standard ISO3506-1 Hardness class 200HV 300HV c 200HV Mechanical properties Hardness range d 200HV to 300HV 300HV to 370HV 200HV to 300HV Productgrade A Tolerances International Standard ISO4759-3 Surfacefinish Plain:i.e.washerstobesuppli
35、edinnaturalfinish,treatedwitha protectivelubricantorwithothercoatingsasagreedby customerandsupplier. RequirementsforelectroplatingcoveredinISO4042. Requirementsfornon-electrolyticallyappliedzincflakecoatings coveredinISO10683. Forhardenedandtemperedwashers,appropriateplatingor coatingprocessesshould
36、beemployedtoavoidhydrogen embrittlement.Whenwashersareelectroplatedorphosphated, theyshallbesuitablytreatedimmediatelyafterplatingorcoating toobviatedetrimentalhydrogenembrittlement. Alltolerancesshallapplypriortotheapplicationofaplatingor coating. Plain:i.e.washers shallbesuppliedin naturalfinish.
37、Workmanship Partsshallbefreeofirregularitiesordetrimentaldefects.No protrudingburrsshallappearonthewasher. Acceptability AcceptanceprocedurecoveredinISO3269. a Othermetallicmaterialsasagreedbetweencustomerandsupplier. b Relatedtochemicalcompositiononly. c Hardenedandtempered. d Hardnesstestingaccord
38、ingtoISO6507-1. Testforce: HV2 fornominalthicknesshu0,6mm HV10 fornominalthickness0,61,2mmISO7092:2000(E)5 5 Designation EXAMPLE1 Asmall-series,product-grade-Aplainwashermadeofsteel,ofnominalsize8mmandhardnessclass200HV isdesignatedasfollows: WasherISO7092-8-200HV EXAMPLE2 Asmallseries,product-grade
39、-AplainwashermadeofgradeA2stainlesssteel,ofnominalsize8mmand hardnessclass200HVisdesignatedasfollows: WasherISO7092-8-200HV-A23egaP ENISO7092:2000 AnnexZA (normative) Normativereferencestointernationalpublications withtheirrelevantEuropeanpublications ThisEuropeanStandardincorporatesbydatedorundated
40、reference,provisionsfromother publications.Thesenormativereferencesarecitedattheappropriateplacesinthetextandthe publicationsarelistedhereafter.Fordatedreferences,subsequentamendmentstoorrevisionsof anyofthesepublicationsapplytothisEuropeanStandardonlywhenincorporatedinitby amendmentorrevision.Forun
41、datedreferencesthelatesteditionofthepublicationreferredto applies. Publication Year Title EN Year ISO35061 1997 Mechanicalpropertiesofcorrosionresistantstainlesssteel ENISO35061 1997 fastenersPart1:Bolts,screwsandstuds ISO4042 1999 FastenersElectroplatedcoatings ENISO4042 1999 ISO47593 2000 Toleranc
42、esforfastenersPart3:Plainwashersforbolts, ENISO47593 2000 screwsandnutsProductsgradesAandC ISO65071 1997 MetallicmaterialsVickershardnesstestPart1: ENISO65071 1997 TestmethodBS EN ISO 7092:2000 BSI 389 Chiswick High Road London W4 4AL | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
43、 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BSI British Standards Institution BSI is the independent national body responsible for preparing British Standa
44、rds. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions British Standards are updated by amendment or revision. Users of British Standards should make sure that they possess the latest amendments or editions. It is the consta
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