1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN ISO 7091:2000 The E
2、uropean Standard EN ISO 7091:2000 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 CThis 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 36147 0 BS EN ISO 7091:2000 Amendments issued since publication Amd. No. Date Comments National foreword This British Standard is the official English language version of EN
4、 ISO 7091:2000. It is identical with ISO 7091:2000. 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 info
5、rmed; 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
6、which 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 “Internation
7、al 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 Britis
8、h 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 and iii, a blank page, pages 1 to 4, the annex ZA page and a back cover.
9、The BSI copyright notice displayed in this document indicates when the document was last issued.EUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM ENISO7091 June2000 ICS21.060.30 Englishversion PlainwashersNormalseriesProductgradeC(ISO 7091:2000) RondellesplatesSrienormaleGradeC(ISO 7091:2000) FlacheSch
10、eibenNormaleReiheProduktklasseC(ISO 7091:2000) ThisEuropeanStandardwasapprovedbyCENon1June2000. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalref
11、erencesconcernings uchnational standardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentral
12、Secretariathasthesamestatusast heofficial versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION
13、 COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG CentralSecretariat:ruedeStassart,36B1050Brussels 2000CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.ENISO7091:2000EForeword ThetextoftheInternationalStandardISO7091:2000hasbeenpreparedbyTechnic
14、alCommittee ISO/TC2“Fasteners“incollaborationwithTechnicalCommitteeCEN/TC 185“Threadedand nonthreadedmechanicalfastenersandaccessories“,thesecretariatofwhichisheldbyDIN. ThisEuropeanStandar dshallbegiventhestatusofanationalstandard ,eitherbypublicationofan identicaltextorb yendorsement,atthelatestby
15、December2000 ,andconflictingnationalstandards shallbewithdrawnatthelatestbyDecember2000. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationso f the followingcountrie s areboundt o implementthisEuropea n Standard:Austria,Belgium , CzechRepublic, Denmark, Finland,France,Germ
16、any , Greece,Iceland,Ireland , Italy,Luxembourg,Netherlands,Norway, Portugal,Spain,Sweden,SwitzerlandandtheUnitedKingdom. Endorsementnotice ThetextoftheInternationalStandardISO7091:2000wasapprovedbyCENasaEuropean Standardwithoutanymodification. NOTE:NormativereferencestoInternationalStandardsarelist
17、edinannexZA(normative). EN ISO 7091:2000Referencenumber ISO7091:2000(E) INTERNATIONAL STANDARD ISO 7091 Secondedition 2000-06-01 PlainwashersNormalseriesProduct gradeC Rondelles plates Srie normale Grade C EN ISO 7091:2000ii EN ISO 7091:2000 iii Foreword ISO(theInternationalOrganizationforStandardiz
18、ation)isaworldwidefederationofnationalstandardsbodies(ISO memberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISOtechnical committees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestablishedhas therighttoberepresentedonthatcommittee.Internationalor
19、ganizations,governmentalandnon-governmental,in liaisonwithISO,alsotakepartinthework.ISOcollaboratescloselywiththeInternationalElectrotechnical Commission(IEC)onallmattersofelectrotechnicalstandardization. InternationalStandardsaredraftedinaccordancewiththerulesgivenintheISO/IECDirectives,Part3. Draf
20、tInternationalStandardsadoptedbythetechnicalcommitteesarecirculatedtothememberbodiesforvoting. PublicationasanInternationalStandardrequiresapprovalbyatleast75%ofthememberbodiescastingavote. AttentionisdrawntothepossibilitythatsomeoftheelementsofthisInternationalStandardmaybethesubjectof patentrights
21、.ISOshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights. InternationalStandardISO7091waspreparedbyTechnicalCommitteeISO/TC2, Fasteners. Thissecondeditioncancelsandreplacesthefirstedition(ISO7091:1983),whichhasbeentechnicallyrevised. EN ISO 7091:2000EN ISO 7091:2000 1 PlainwashersNormalse
22、riesProductgradeC 1 Scope ThisInternationalStandardspecifiesthecharacteristicsofnormal-series,product-grade-Cplainwashersinthe 100HVhardnessclassandofnominalsizes(nominalthreaddiameters)rangingfrom1,6mmto64mminclusive. Washersofhardnessclass100HVaresuitablefor hexagonboltsandscrewsofproductgradeCinp
23、ropertyclassesuptoandincluding6.8; hexagonnutsofproductgradeCinpropertyclassesuptoandincluding6; case-hardenedthreadrollingscrews. IfdimensionsotherthanthoselistedinthisInternationalStandardarerequired,theyshouldbeselectedfromthose giveninISO887. Whensoftmaterialpiecesareclamped,orlargeclearancehole
24、sintheworkpieceareused,theusershouldcheck thetechnicalsuitabilityofthistypeofwasher. EN ISO 7091:20002 2 Normativereferences Thefollowingnormativedocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsof thisInternationalStandard.Fordatedreferences,subsequentamendmentsto,orre
25、visionsof,anyofthese publicationsdonotapply.However,partiestoagreementsbasedonthisInternationalStandardareencouragedto investigatethepossibilityofapplyingthemostrecenteditionsofthenormativedocumentsindicatedbelow.For undatedreferences,thelatesteditionofthenormativedocumentreferredtoapplies.Membersof
26、ISOandIEC maintainregistersofcurrentlyvalidInternationalStandards. ISO887:2000, Plain washers for metric bolts, screws and nuts for general purposes General plan. ISO3269:2000, Fasteners Acceptance inspection. ISO4042:1999, Fasteners Electroplated coatings. ISO4759-3:2000, Tolerances for fasteners P
27、art 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) , Fasteners Non-electrolytically applied zinc flake coatings. 3 Dimensions SeeFigure1andTables1and2. Figure1Dimensions 1)Tobepublished. EN
28、 ISO 7091:2000 3 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 1,80 2,05 4,00 3,25 0,3 0,4 0,2 2 2,40 2,65 5,00 4,25 0,3 0,4 0,2 2,5 2,90 3,15 6,00 5,25
29、0,5 0,6 0,4 3 3,4 3,7 7,0 6,1 0,5 0,6 0,4 4 4,5 4,8 9,0 8,1 0,8 1,0 0,6 5 5,5 5,8 10,0 9,1 1 1,2 0,8 6 6,60 6,96 12,0 10,9 1,6 1,9 1,3 8 9,00 9,36 16,0 14,9 1,6 1,9 1,3 10 11,00 11,43 20,0 18,7 2 2,3 1,7 12 13,50 13,93 24,0 22,7 2,5 2,8 2,2 16 17,50 17,93 30,0 28,7 3 3,6 2,4 20 22,00 22,52 37,0 35,4
30、 3 3,6 2,4 24 26,00 26,52 44,0 42,4 4 4,6 3,4 30 33,00 33,62 56,0 54,1 4 4,6 3,4 36 39 40 66,0 64,1 5 6 4 42 45 46 78,0 76,1 8 9,2 6,8 48 52,0 53,2 92,0 89,8 8 9,2 6,8 56 62,0 63,2 105,0 102,8 10 11,2 8,8 64 70,0 71,2 115,0 112,8 10 11,2 8,8 Table2Non-preferreddimensions Dimensionsinmillimetres Nomi
31、nalsize Clearancehole Outsidediameter Thickness d 1 d 2 h nom. max. nom. min. nom. max. min. (Nominal thread diameter,d) (min.) (max.) 3,5 3,9 4,2 8 7,1 0,5 0,6 0,4 14 15,5 15,93 28 26,7 2,5 2,8 2,2 18 20 20,43 34 32,4 3 3,6 2,4 22 24 24,52 39 37,4 3 3,6 2,4 27 30 30,52 50 48,4 4 4,6 3,4 33 36 37 60
32、 58,1 5 6 4 39 42 43 72 70,1 6 7 5 45 48 49 85 82,8 8 9,2 6,8 52 56 57,2 98 95,8 8 9,2 6,8 60 66 67,2 110 107,8 10 11,2 8,8 EN ISO 7091:20004 4 RequirementsandInternationalStandardsofreference SeeTable3. Table3SpecificationsandInternationalStandardsofreference Material a Steel Hardnessclass 100HV Me
33、chanical properties Hardnessrange b 100HVto200HV Productgrade C Tolerances InternationalStandard ISO4759-3 Surfacefinish Plain:i.e.washerstobesuppliedinnaturalfinish,treated withaprotectivelubricantorwithothercoatingsasagreed bycustomerandsupplier. RequirementsforelectroplatingcoveredinISO4042. Requ
34、irementsfornon-electrolyticallyappliedzincflake coatingscoveredinISO10683. Alltolerancesshallapplypriortotheapplicationofaplating orcoating. Workmanship Partsshallbefreeofirregularitiesordetrimentaldefects.No protrudingburrsshallappearonthewasher. Acceptability AcceptanceprocedurecoveredinISO3269. a
35、 Othermetallicmaterialsasagreedbetweencustomerandsupplier. b HardnesstestingaccordingtoISO6507-1. Testforce: HV2 fornominalthicknesshu0,6mm HV10 fornominalthickness0,61,2mm 5 Designation EXAMPLE Anormal-series,product-grade-Cplainwashermadeofsteel,ofnominalsize8mmandhardnessclass 100HVisdesignatedas
36、follows: WasherISO7091-8-100HV EN ISO 7091:2000AnnexZ A(normative) Normativereferencestointernationalpublications withtheirrelevantEuropeanpublications ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromother publications.Thesenormativereferencesarecitedattheappropriateplacesint
37、hetextandthe publicationsarelistedhereafter.Fordatedreferences,subsequentamendmentstoorrevisionsof anyofthesepublicationsapplytothisEuropeanStandardonlywhenincorporatedinitby amendmentorrevision.Forundatedreferencesthelatesteditionofthepublicationreferredto applies. Publication Year Title EN Year IS
38、O4042 1999FastenersElectroplatedcoatings ENISO4042 1999 ISO475932000TolerancesforfastenersPart3:Plainwashersforbolts , ENISO4759 32000 screwsandnutsProductsgradesAandC ISO650711997MetallicmaterialsVickershardnesstestPart1: ENISO6507 11997 Testmethod EN ISO 7091:2000BS EN ISO 7091:2000 BSI 389 Chiswi
39、ck High Road London W4 4AL | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BSI British Standar
40、ds Institution BSI is the independent national body responsible for preparing British Standards. 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 Stan
41、dards should make sure that they possess the latest amendments or editions. It is the constant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technic
42、al committee responsible, the identity of which can be found on the inside front cover. Tel: 020 8996 9000. Fax: 020 8996 7400. BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. Buying standards Orders
43、 for all BSI, international and foreign standards publications should be addressed to Customer Services. Tel: 020 8996 9001. Fax: 020 8996 7001. In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as British Standards
44、, unless otherwise requested. Information on standards BSI provides a wide range of information on national, European and international standards through its Library and its Technical Help to Exporters Service. Various BSI electronic information services are also available which give details on all
45、its products and services. Contact the Information Centre. Tel: 020 8996 7111. Fax: 020 8996 7048. Subscribing members of BSI are kept up to date with standards developments and receive substantial discounts on the purchase price of standards. For details of these and other benefits contact Membersh
46、ip Administration. Tel: 020 8996 7002. Fax: 020 8996 7001. Copyright Copyright subsists in all BSI publications. BSI also holds the copyright, in the UK, of the publications of the international standardization bodies. Except as permitted under the Copyright, Designs and Patents Act 1988 no extract
47、may be reproduced, stored in a retrieval system or transmitted in any form or by any means electronic, photocopying, recording or otherwise without prior written permission from BSI. This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols
48、, and size, type or grade designations. If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained. If permission is granted, the terms may include royalty payments or a licensing agreement. Details and advice can be obtained from the Copyright Manager. Tel: 020 8996 7070.
