1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN ISO 7089:2000 The E
2、uropean Standard EN ISO 7089:2000 has the status of a British Standard ICS 21.060.30 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Plain washers Normal series Product grade AThis British Standard, having been prepared under the direction of the Engineering Sector Committee,
3、was published under the authority of the Standards Committee and comes into effect on 15 September 2000 BSI 09-2000 ISBN 0 580 36119 5 BS EN ISO 7089:2000 Amendments issued since publication Amd. No. Date Comments National foreword This British Standard is the official English language version of EN
4、 ISO 7089:2000. It is identical with ISO 7089:2000. The UK participation in its preparation was entrusted by Technical Committee FME/9, Bolts, Nuts and Accessories (+QA present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep
5、the UK interests informed; 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 norma
6、lly include an annex which lists normative references to international publications with their corresponding European publications. The British Standards which implement these international or European publications referred to in this document may be found in the BSI Standards Catalogue under the se
7、ction entitled “International 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 applicatio
8、n. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the ENISO title page, the ENISO foreword, the ISO title page, pages ii and iii, a blank page, pages 1 to 5, the annex ZA pag
9、e, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued.EUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM ENISO7089 June2000 ICS21.060.30 Englishversion PlainwashersNormalseriesProductgradeA(ISO 7089:2000) Rondellesplates
10、SrienormaleGradeA(ISO 7089:2000) FlacheScheibenNormaleReiheProduktklasseA(ISO 7089:2000) ThisEuropeanStandardwasapprovedbyCENon1June2000. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalt
11、eration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmembe
12、rintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusast heofficial versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKi
13、ngdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG CentralSecretariat:ruedeStassart,36B1050Brussels 2000CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.ENISO7089:2000E2egaP OSINE0002:9807 Foreword Thetex
14、toftheInternationalStandardISO7089:2000hasbeenpreparedbyTechnicalCommittee ISO/TC2“Fasteners“incollaborationwithTechnicalCommitteeCEN/TC185“Threadedand nonthreadedmechanicalfastenersandaccessories“,thesecretariatofwhichisheldbyDIN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherb
15、ypublicationofan identicaltextorbyendorsement,atthelatestbyDecember2000,andconflictingnationalstandards shallbewithdrawnatthelatestbyDecember2000. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsof the followingcountriesareboundtoimplementthisEuropeanStandard:Austria,Be
16、lgium,CzechRepublic, Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway, Portugal,Spain,Sweden,SwitzerlandandtheUnitedKingdom. Endorsementnotice ThetextoftheInternationalStandardISO7089:2000wasapprovedbyCENasaEuropean Standardwithoutanymodification. NOTE:Normat
17、ivereferencestoInternationalStandardsarelistedinannexZA(normative). EN ISO 7089:2000Referencenumber ISO7089:2000(E) INTERNATIONAL STANDARD ISO 7089 Secondedition 2000-06-01 PlainwashersNormalseriesProduct gradeA Rondelles plates Srie normale Grade A EN ISO 7089:2000ii EN ISO 7089:2000ISO8079:(0002)E
18、iii Foreword ISO(theInternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies(ISO memberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISOtechnical committees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestablished
19、has therighttoberepresentedonthatcommittee.Internationalorganizations,governmentalandnon-governmental,in liaisonwithISO,alsotakepartinthework.ISOcollaboratescloselywiththeInternationalElectrotechnical Commission(IEC)onallmattersofelectrotechnicalstandardization. InternationalStandardsaredraftedinacc
20、ordancewiththerulesgivenintheISO/IECDirectives,Part3. DraftInternationalStandardsadoptedbythetechnicalcommitteesarecirculatedtothememberbodiesforvoting. PublicationasanInternationalStandardrequiresapprovalbyatleast75%ofthememberbodiescastingavote. Attentionisdrawntothepossibilitythatsomeoftheelement
21、softhisInternationalStandardmaybethesubjectof patentrights.ISOshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights. InternationalStandardISO7089waspreparedbyTechnicalCommitteeISO/TC2, Fasteners. Thissecondeditioncancelsandreplacesthefirstedition(ISO7089:1983),whichhasbeentechnicallyrevise
22、d. EN ISO 7089:2000EN ISO 7089:2000INTERNATIONALSTANDADR ISO9807:(0002)E1 PlainwashersNormalseriesProductgradeA 1 Scope ThisInternationalStandardspecifiesthecharacteristicsofnormal-series,product-grade-Aplainwashersinthe 200HVand300HVhardnessclassesandofnominalsizes(nominalthreaddiameters)rangingfro
23、m1,6mmto 64mminclusive. Washersofhardnessclass200HVaresuitablefor hexagonboltsandscrewsofproductgradesAandBinpropertyclassesuptoandincluding8.8; hexagonnutsofproductgradesAandBinpropertyclassesuptoandincluding8; hexagonbolts,screwsandnutsofstainlesssteelofsimilarchemicalcomposition; case-hardenedthr
24、eadrollingscrews. Washersofhardnessclass300HVaresuitablefor hexagonboltsandscrewsofproductgradesAandBinpropertyclassesuptoandincluding10.9; hexagonnutsofproductgradesAandBinpropertyclassesuptoandincluding10. IfdimensionsotherthanthoselistedinthisInternationalStandardarerequired,theyshouldbeselectedf
25、romthose giveninISO887. Whensoftmaterialpiecesareclamped,orlargeclearanceholesintheworkpieceareused,theusershouldcheck thetechnicalsuitabilityofthistypeofwasher. EN ISO 7089:2000ISO8079:(0002)E 2 2 Normativereferences Thefollowingnormativedocumentscontainprovisionswhich,throughreferenceinthistext,co
26、nstituteprovisionsof thisInternationalStandard.Fordatedreferences,subsequentamendmentsto,orrevisionsof,anyofthese publicationsdonotapply.However,partiestoagreementsbasedonthisInternationalStandardareencouragedto investigatethepossibilityofapplyingthemostrecenteditionsofthenormativedocumentsindicated
27、below.For undatedreferences,thelatesteditionofthenormativedocumentreferredtoapplies.MembersofISOandIEC maintainregistersofcurrentlyvalidInternationalStandards. ISO887:2000, Plain washers for metric bolts, screws and nuts for general purposes General plan. ISO3269:2000, Fasteners Acceptance inspectio
28、n. ISO3506-1:1997, Mechanical properties of corrosion-resistant stainless-steel 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,
29、 Metallic materials Vickers hardness test Part 1: Test method. ISO10683 1) , Fasteners Non-electrolytically applied zinc flake coatings. 3 Dimensions SeeFigure1andTables1and2. Dimensionsinmillimetres, surfaceroughnessvaluesinmicrometres Figure1Dimensions 1)Tobepublished. EN ISO 7089:2000ISO8079:(000
30、2)E3 Table1Preferreddimensions Dimensionsinmillimetres Nominalsize Clearancehole Outsidediameter 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 4,0 3,7 0,3 0,35 0,25 2 2,20 2,34 5,0 4,7 0,3 0,35 0,25 2,5 2,70 2,84 6,0 5,7 0,5 0,55 0,45
31、3 3,20 3,38 7,00 6,64 0,5 0,55 0,45 4 4,30 4,48 9,00 8,64 0,8 0,9 0,7 5 5,30 5,48 10,00 9,64 1 1,1 0,9 6 6,40 6,62 12,00 11,57 1,6 1,8 1,4 8 8,40 8,62 16,00 15,57 1,6 1,8 1,4 10 10,50 10,77 20,00 19,48 2 2,2 1,8 12 13,00 13,27 24,00 23,48 2,5 2,7 2,3 16 17,00 17,27 30,00 29,48 3 3,3 2,7 20 21,00 21,
32、33 37,00 36,38 3 3,3 2,7 24 25,00 25,33 44,00 43,38 4 4,3 3,7 30 31,00 31,39 56,00 55,26 4 4,3 3,7 36 37,00 37,62 66,0 64,8 5 5,6 4,4 42 45,00 45,62 78,0 76,8 8 9 7 48 52,00 52,74 92,0 90,6 8 9 7 56 62,00 62,74 105,0 103,6 10 11 9 64 70,00 70,74 115,0 113,6 10 11 9 Table2Non-preferreddimensions Dime
33、nsionsinmillimetres 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 8,00 7,64 0,5 0,55 0,45 14 15,00 15,27 28,00 27,48 2,5 2,7 2,3 18 19,00 19,33 34,00 33,38 3 3,3 2,7 22 23,00 23,33 39,00 38,38
34、3 3,3 2,7 27 28,00 28,33 50,00 49,38 4 4,3 3,7 33 34,00 34,62 60,0 58,8 5 5,6 4,4 39 42,00 42,62 72,0 70,8 6 6,6 5,4 45 48,00 48,62 85,0 83,6 8 9 7 52 56,00 56,74 98,0 96,6 8 9 7 60 66,00 66,74 110,0 108,6 10 11 9 EN ISO 7089:2000ISO8079:(0002)E 4 4 RequirementsandInternationalStandardsofreference S
35、eeTable3. Table3SpecificationsandInternationalStandardsofreference Material 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
36、International Standard ISO4759-3 Surfacefinish Plain:i.e.washerstobesuppliedinnaturalfinish,treatedwitha protectivelubricantorwithothercoatingsasagreedby customerandsupplier. RequirementsforelectroplatingcoveredinISO4042. Requirementsfornon-electrolyticallyappliedzincflakecoatings coveredinISO10683.
37、 Forhardenedandtemperedwashers,appropriateplatingor coatingprocessesshouldbeemployedtoavoidhydrogen embrittlement.Whenwashersareelectroplatedorphosphated, theyshallbesuitablytreatedimmediatelyafterplatingorcoating toobviatedetrimentalhydrogenembrittlement. Alltolerancesshallapplypriortotheapplicatio
38、nofaplatingor coating. Plain: i.e. washers shallbesuppliedin naturalfinish. Workmanship Partsshallbefreeofirregularitiesordetrimentaldefects.No protrudingburrsshallappearonthewasher. Acceptability AcceptanceprocedurecoveredinISO3269. a Othermetallicmaterialsasagreedbetweencustomerandsupplier. b Rela
39、tedtochemicalcompositiononly. c Hardenedandtempered. d HardnesstestingaccordingtoISO6507-1. Testforce: HV2 fornominalthicknesshu0,6mm HV10 fornominalthickness0,61,2mm EN ISO 7089:2000ISO8079:(0002)E5 5 Designation EXAMPLE1 Anormal-series,product-grade-Aplainwashermadeofsteel,ofnominalsize8mmandhardn
40、essclass 200HVisdesignatedasfollows: WasherISO7089-8-200HV EXAMPLE2 Anormal-series,product-grade-AplainwashermadeofgradeA2stainlesssteel,ofnominalsize8mmand hardnessclass200HVisdesignatedasfollows: WasherISO7089-8-200HV-A2 EN ISO 7089:20003egaP OSINE0002:9807 AnnexZA (normative) Normativereferencest
41、ointernationalpublications withtheirrelevantEuropeanpublications ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromother publications.Thesenormativereferencesarecitedattheappropriateplacesinthetextandthe publicationsarelistedhereafter.Fordatedreferences,subsequentamendmentstoor
42、revisionsof anyofthesepublicationsapplytothisEuropeanStandardonlywhenincorporatedinitby amendmentorrevision.Forundatedreferencesthelatesteditionofthepublicationreferredto applies. Publication Year Title EN Year ISO35061 1997 Mechanicalpropertiesofcorrosionresistantstainlesssteel ENISO35061 1997 fast
43、enersPart1:Bolts,screwsandstuds ISO4042 1999 FastenersElectroplatedcoatings ENISO4042 1999 ISO47593 2000 TolerancesforfastenersPart3:Plainwashersforbolts, ENISO47593 2000 screwsandnutsProductsgradesAandC ISO65071 1997 MetallicmaterialsVickershardnesstestPart1: ENISO65071 1997 Testmethod EN ISO 7089:
44、2000BS EN ISO 7089:2000 BSI 389 Chiswick High Road London W4 4AL | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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