BS EN ISO 10289-2001 Methods for corrosion testing of metallic and other inorganic coatings on metallic substrates - Rating of test specimens and manufactured articles subjected to.pdf

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1、BRITISH STANDARD BS EN ISO 10289:2001 Methods for corrosion testing of metallic and other inorganic coatings on metallic substrates Rating of test specimens and manufactured articles subjected to corrosion tests The European Standard EN ISO 10289:2001 has the status of a British Standard ICS 25.220.

2、40; 25.220.99 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN ISO 10289:2001 This British Standard, having been prepared under the direction of the Sector Committee for Materials and Chemicals, was published under the authority of the Standards Committee and comes into ef

3、fect on 15 May 2001 BSI 05-2001 ISBN 0 580 37234 0 National foreword This British Standard is the official English language version of EN ISO 10289:2001. It is identical with ISO 10289:1999. It supersedes BS EN ISO 1462:1995, BS EN ISO 4540:1995 and BS EN ISO 8403:1995 which are withdrawn. The UK pa

4、rticipation in its preparation was entrusted to Technical Committee STI/37, Methods of test for metallic and related coatings, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references Attention is drawn to th

5、e fact that CEN and CENELEC Standards normally 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 may be found in the BSI Standards Catalogu

6、e under the section 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 corr

7、ect 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 interests inf

8、ormed; 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 ISO title page, the EN ISO foreword page, the ISO title page, pages ii to iv, pages 1 to 22, an inside back cover and a

9、back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM ENISO10289 January2001 ICS25.220.20;25.220.40 SupersedesENISO1462:1995,ENISO4540:1995 an

10、dENISO8403:1995 Englishversion Methodsforcorrosiontestingofmetallicandotherinorganic coatingsonmetallicsubstratesRatingoftestspecimensand manufacturedarticlessubjectedtocorrosiontests(ISO 10289:1999) Mthodesdessaidecorrosiondesrevtements mtalliquesetinorganiquessursubstratsmtalliques Cotationdesprou

11、vettesetdesarticlesmanufacturs soumisauxessaisdecorrosion(ISO10289:1999) VerfahrenzurKorrosionsprfungvonmetallischenund anderenanorganischenberzgenaufmetallischen GrundwerkstoffenBewertungderProbenund ErzeugnissenacheinerKorrosionsprfung(ISO 10289:1999) ThisEuropeanStandardwasapprovedbyCENon1Decembe

12、r2000. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreor

13、toanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesof

14、Austria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B10

15、50Brussels 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.ENISO10289:2001EForeword ThetextoftheInternationalStandardfromTechnicalCommitteeISO/TC107“Metallicandother inorganiccoatings“oftheInternationalOrganizationforStandardization(ISO)hasbeentak

16、enover asanEuropeanStandardbyTechnicalCommitteeCEN/TC262“Metallicandotherinorganic coatings“,thesecretariatofwhichisheldbyBSI. ThisEuropeanStandardsupersedesEN ISO 1462:1995,EN ISO 4540:1995and ENISO8403:1995. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofan ident

17、icaltextorbyendorsement,atthelatestbyJuly2001,andconflictingnationalstandardsshall bewithdrawnatthelatestbyJuly2001. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthe followingcountriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,Czech Republic,Denmark,Fi

18、nland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg, Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandtheUnitedKingdom. Endorsementnotice ThetextoftheInternationalStandardISO10289:1999 hasbeenapprovedbyCENasaEuropean Standardwithoutanymodification. ISO(theInternationalOrganizationforS

19、tandardization)isaworldwidefederationofnationalstandards bodies(ISOmemberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthrough ISOtechnicalcommittees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehas beenestablishedhastherighttoberepresentedonthatcommittee.Intern

20、ationalorganizations, governmentalandnongovernmental,inliaisonwithISO,alsotakepartinthework.ISOcollaboratesclosely withtheInternationalElectronicalCommission(IEC)onallmattersofelectrotechnicalstandardization. InternationalStandardsaredraftedinaccordancewiththerulesgivenintheISO/IECDirectives,Part3.

21、DraftInternationalStandardsadoptedbythetechnicalcommitteesarecirculatedtothememberbodiesfor voting.PublicationasanInternationalStandardrequiresapprovalbyatleast75%ofthememberbodies castingavote. InternationalStandardISO10289waspreparedbyTechnicalCommitteeISO/TC107, Metallicand otherinor ganiccoa tin

22、gs,SubcommitteeSC7, Corrosionte sts. ThisfirsteditioncancelsandreplacesISO1462:1973,ISO4540:1980andISO8403:1991. AnnexesAandBofthisInternationalStandardareforinformationonly.A Referencenumbe r ISO10289:1999 (E) INTERNATIONAL STANDARD ISO 10289 Firstedition 19991015 Methodsforcorrosiontestingofmetall

23、ic andotherinorganiccoatingsonmetallic substratesRatingoftestspecimensand manufacturedarticlessubjectedto corrosiontests Mthodesdessaidecorrosiondesrevtementsmtalliqueset inorganiquessursubstratsmtalliquesCotationdesprouvettesetdes articlesmanufacturssoumisauxessaisdecorrosion ENISO10289:2001 )E(999

24、1:98201OSI ii Contents Page 1Scop e1 2Termsanddefinition s.1 3Principl e2 4Typesofdefect .2 5Methodofinspectio n.3 6Assignmentofrating s.3 7Testrepor t5 AnnexA (informative) Dotchartsandcolourphotographsforcoatingscathodictothebasemeta l7 AnnexB (informative) Dotchartsforcoatingsanodictothebasemeta

25、l17 Bibliography22 ENISO10289:2001OSI )E(9991:98201OSI iii Foreword ISO(theInternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies(ISO memberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISOtechnical committees.Eachmemberbodyinterested

26、inasubjectforwhichatechnicalcommitteehasbeenestablishedhas therighttoberepresentedonthatcommittee.Internationalorganizations,governmentalandnongovernmental,in liaisonwithISO,alsotakepartinthework.ISOcollaboratescloselywiththeInternationalElectrotechnical Commission(IEC)onallmattersofelectrotechnical

27、standardization. InternationalStandardsaredraftedinaccordancewiththerulesgivenintheISO/IECDirectives,Part3. DraftInternationalStandardsadoptedbythetechnicalcommitteesarecirculatedtothememberbodiesforvoting. PublicationasanInternationalStandardrequiresapprovalbyatleast75%ofthememberbodiescastingavote

28、. InternationalStandardISO10289waspreparedbyTechnicalCommitteeISO/TC107, Metallicandotherinorganic coatings,SubcommitteeSC7, Corrosiontests . ThisfirsteditioncancelsandreplacesISO1462:1973,ISO4540:1980andISO8403:1991. AnnexesAandBofthisInternationalStandardareforinformationonly. ENISO10289:2001 )E(9

29、991:98201OSI OSI iv Introduction TheratingmethoddescribedinthisInternationalStandardrecognizesthatdecorativeandprotectivemetallicand inorganiccoatingsonmetallicsubstratescanbeeitheranodicorcathodictothesubstrate.Inratingthesecoatings fortheeffectsofcorrosion,twoevaluationsshallbemade: theabilityofth

30、ecoatingtoprotectthesubstratefromcorrosionandthuspreventdegradationofthebasemetal; theabilityofthecoatingtoretainitsintegrityandthusmaintainasatisfactoryappearance. Althoughthesefunctionsoverlap,theycanbeevaluatedseparatelyintermsof: aprotectionrating( R p )relatingtothecorrosionofthebasemetal; anap

31、pearancerating( R A )relatingtothedeteriorationofthecoating. Theprotectionrating( R p )assignsanumberrepresentingtheabilityofthecoatingtoprotectthebasemetalfrom corrosion. Theappearancerating( R A )assignsasequenceoflettersandnumberstotheoverallappearanceofthespecimen whichincludesalldeteriorationca

32、usedbythecorrosiontestorenvironment. NOTE1 Imperfectionsonapanelorarticlebeforeexposuretestingshouldbenotedandgivendueconsiderationwhen evaluatingtheresultsoftheexamination.Deliberateimperfectionsmayalsobeintroducedaspartofatestprogramme. Thecoatingsystemhastobeknownandreportedifthisratingsystemisap

33、plied.Itisespeciallyimportanttoknow, ifpossible,whetherthecoatingisanodicorcathodictothebasemetal. NOTE 2 Determinationoftheanodicandcathodiccorrosivemechanismscanbeextremelydifficultinsomecases (chromatedzinconsteelormultiplecoatings).Forthepurposesofthisdocumentknowledgeofthesemechanismsisnot nece

34、ssary. ENISO10289:2001 DRADNATSLANOITANRETNI OSI )E(9991:98201OSI 1 Methodsforcorrosiontestingofmetallicandotherinorganic coatingsonmetallicsubstratesRatingoftestspecimensand manufacturedarticlessubjectedtocorrosiontests 1Scope ThisInternationalStandardgivesamethodofevaluatingtheconditionofdecorativ

35、eandprotectivemetallicand inorganiccoatedpanelsorarticleswhichhavebeenexposedtocorrosiveenvironmentsfortestorforother purposes. Itisapplicabletotestpanelsorcomponentsexposedtonaturalatmospheres,inmobileorstaticconditions,or subjectedtoacceleratedtests. NOTE1 ExamplesofsuchtestsaregivenintheBibliogra

36、phy. ThisInternationalStandardrecognizesthattheprotectionratingcanbeassessedobjectivelyinaccordancewith clause6.However,theassessmentofappearancedependsonmanysubjectivefactors(see6.2). NOTE2 Theedgesoftestpanelsorcomponentsmaybeprotected,e.g.bytapeorwax(paraffin),ifthisisanagreedpartof thetestandisr

37、ecordedinthetestreport.Thisisessentialifthespecimensarecutfromlargerpiecesandhaveexposed uncoatededges. 2 Termsanddefinitions 2.1 protectionrating R p ratingnumber(seeTable1)assignedtotheabilityofthecoatingtoprotectthebasemetalfromcorrosion 2.2 protectiondefect defectusedtoassesstheprotectionrating,

38、includingcratercorrosion,pinholecorrosion,corrosionstaindueto corrosionfromthesubstrate,blistersandotherdefectsthatinvolvebasemetalcorrosion NOTE Blistersonelectroplatedaluminiumandzincalloydiecastingsusuallysignifybasemetalcorrosion,butthe inspectorsjudgementmayberequiredtodecidewhetherablisterdoes

39、ordoesnotariseatthesubstratecoatinginterface. 2.3 appearancerating R A ratingnumberandsymbols(seeTable2)assignedtodescribetheoverallappearanceofthespecimen,includingall defectscausedbyexposure 2.4 appearancedefect defectthatdetractsfromtheappearanceofthespecimen(seeTable2) ENISO10289:2001 )E(9991:98

40、201OSI OSI 2 2.5 performancerating combinationoftheprotectionratingnumber(R p )followedbyaslashmarkfollowedbytheappearancerating number( R A ),i.e. R p /R A 2.6 coatingsystem particularseriesofdepositsincludingthethicknessandtypeoflayersinmultilayerdepositsandtreatmentswhich havebeenappliedtothebase

41、metal 2.7 significantsurface partofthesurfacewhichisessentialintheappearanceorserviceabilityofthearticleandwhichistobecoveredor iscoveredbythecoating(seeclause5) 3Principle ThisInternationalStandardestablishesaratingsystemforevaluatingthedeteriorationofthecoatingandthebase metalduetocorrosion.Therat

42、ingmethoddescribedinthisInternationalStandardisappliedtoevaluatethe appearanceofthecoating,aswelltheextentofthecorrosionontestpanelsorthesignificantsurfacesof componentswhichhavebeensubjectedtoperformancetests. Theresultofinspectingasurface,calledtheperformancerating,isrecordedastwoseparateratings,t

43、heprotection rating( R p )andtheappearancerating( R A ). Whenrecordingtheratingofasurface,thetype(s)andseverityofdefect(s)contributingtotheratingshallbenoted ifthisinformationisrequired.Thisinformationisrecordedusingagreedsymbolsforthedefectsandtheextentof thesedefects. Whenonlytheprotectionrating(

44、R p )isrequired,itispermittedtoomittheappearancerating( R A ).However,insuch acase,awrittendashshouldfollowtheprotectionratinginordertoindicatedeliberateomissionoftheappearance rating. 4 Typesofdefect Itispossiblefordefectstoaffectboththeprotectionrating( R p )andtheappearancerating( R A ).Inthisrating system,theprotectionratingisasimplenumericalratingwhiletheappearanceratingispermittedto