BS EN 10244-4-2001 Steel wire and wire products - Non-ferrous metallic coatings on steel wire - Tin coatings《钢丝及其制品 钢丝上的非有色金属涂层 锡涂层》.pdf

1、BRITISH STANDARD BS EN 10244-4:2001 Steel wire and wire products Non-ferrous metallic coatings on steel wire Part 4: Tin coatings The European Standard EN 10244-4:2001 has the status of a British Standard ICS 25.220.40; 77.140.65 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW

2、BS EN 10244-4:2001 This British Standard, having been prepared under the direction of the Engineering Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 May 2001 BSI 05-2001 ISBN 0 580 37144 1 National foreword This British Standard is the offi

3、cial English language version of EN 10244-4:2001. The UK participation in its preparation was entrusted to Technical Committee ISE/26, Steel wire, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The

4、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 “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A Br

5、itish 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 Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present

6、 to the responsible European committee any enquiries on the interpretation, or proposals for change, and 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 cove

7、r, the EN title page, pages 2 to 7 and a 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 EN102444 March2001 ICS25.220.40;77.140.70 Engli

8、shversion SteelwireandwireproductsNonferrousmetalliccoatingson steelwirePart4:Tincoatings FilsetproduitstrfilsenacierRevtementsmtalliques nonferreuxsurfilsdacierPartie4:Revtementsdtain StahldrahtundDrahterzeugnisseberzgeaus NichteisenmetallaufStahldrahtTeil4:berzgeausZinn ThisEuropeanStandardwasappr

9、ovedbyCENon21January2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtoth

10、eManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenation

11、alstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:

12、ruedeStassart,36B1050Brussels 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN102444:2001EPage2 EN102444:2001 Contents Page Foreword .3 1 Scope4 2 Normativereference. .4 3 Termanddefinition. 4 4 Requirementsrelatingtocoating4 4.1 Material.4 4.2

13、Massofcoating . 4 4.3 Generalrequirements .4 4.4 Porosity 5 5 Testconditions. .5 5.1 Samples5 5.1.1 General .5 5.1.2 Lengthofsamples. 5 5.2 Determinationofmassofcoating .5 5.2.1 General .5 5.2.2 Procedure.6 5.2.3 Calculationofmassofcoating 6 5.3 Porosity 6 5.4 Adherencetest 7Page3 EN102444:2001 Fore

14、word ThisEuropeanStandardhasbeenpreparedbyTechnicalCommitteeECISS/TC30“Steelwires“,the secretariatofwhichisheldbyBSI. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofan identicaltextorbyendorsement,atthelatestbySeptember2001,andconflictingnationalstandards shallbewi

15、thdrawnatthelatestbySeptember2001. ThisEuropeanStandardfornonferrousmetalliccoatingonsteelwireismadeupofthefollowing parts: Part1:Generalprinciples Part2:Zincandzincalloycoatings Part3:Aluminiumcoatings Part4:Tincoatings Part5:Nickelcoatings Part6:Copper,bronzeandbrasscoatings AccordingtotheCEN/CENE

16、LECInternalRegulations,thenationalstandardsorganizationsofthe followingcountriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,Czech Republic,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg, Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandtheUnitedKingdom.Page4

17、 EN102444:2001 1Scope ThispartofthisEuropeanStandardspecifiestherequirementsforthemass,otherpropertiesand testingoftincoatingsonsteelwireandsteelwireproductsofroundorothercrosssection. 2 Normativereference ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromother publications.The

18、senormativereferencesarecitedattheappropriateplacesinthetextandthe publicationsarelistedhereafter.Fordatedreferences,subsequentamendmentstoorrevisionsofany ofthesepublicationsapplytothisEuropeanStandardonlywhenincorporatedinitbyamendmentor revision.Forundatedreferencesthelatesteditionofthepublicatio

19、nreferredtoapplies(including amendments). EN102441,SteelwireandwireproductsNonferrousmetalliccoatingsonsteelwire Part1:Generalprinciples 3 Termanddefinition ForthepurposesofthisEuropeanstandardthefollowingtermanddefinitionapply. 3.1 wirewithtincoating wiretowhichatincoatinghasbeenappliedbyhotdipping

20、orbyanelectrolyticprocedureItdoesnot applytothecoatingprocedurebyionexchange,whichonlyproducesaveryfineporouscoatingwith anirregulardegreeofpurity 4 Requirementsrelatingtocoating 4.1Material Forhotdiptinning,theingotmaterialusedshallbepuretin. Thepermissibleimpuritylevelshallbelessthan0,5%. Coatinga

21、ppliedbyanelectrolyticprocedureshallcontainminimum99%oftin. 4.2 Massofcoating Thecoatingmass,whenrequired,shallbeagreedatthetimeofenquiryandorderoraccordingtothe productstandard. 4.3 Generalrequirements SeerequirementsinEN102441.Page5 EN102444:2001 4.4Porosity Iftheorderspecificationsrequireit,atest

22、maybecarriedouttoestablishthepresenceofsmallareas ofporosityinthecoating.Inthiscaseporositydoesnotmeanadegreeofsurfaceroughnessbut extremelyfinediscontinuitesinthecoatinggivingdirectaccesstothebasemetal. Thetestconditionsandacceptancecriteriashallbedefinedatthetimeoftheinvitationtotenderor theorder.

23、 5Test conditions 5.1Samples 5.1.1General SeethegeneralrequirementsinEN102441. 5.1.2 Lengthofsamples Thelengthofthesamplesshallbesufficienttoallowthevariousteststobecarriedout. 5.2 Determinationofmassofcoating 5.2.1General Themassofthecoatingshallbedeterminedusingthegravimetricmethod.Thesamplelength

24、 necessarytodeterminethemassofcoatingshallbeinaccordancewithTable1.Page6 EN102444:2001 Table1Lengthofsamples diameterofwire d(mm) length(mm) 0,08 d 3000 0,15 d 2000 0,30 d 1000 0,60 d 500 1,00 d 200 2,50 d 100 5.2.2Procedure Ifnecessary,degreasethesamplewithasuitablesolvent.Weighthesampletoanaccurac

25、yof 0,1mg. Stripthetinofthesamplesbydippinginthestrippingsolution. Thestrippingsolutionisobtainedbyadding12,5gSbCl 3 to250mlHCl(18Be)and250ml demineralizedwater. Whenthegasevolutionisceased,removethesamplesfromthestrippingsolution,rinseunder runningwater,dryandweighonceagaintoanaccuracyof0,1mg.Ifthe

26、massdifferenceislessthan 10mg,repeatthetestwithasampleofdoublethelength. Determinethedimensionofthewire. 5.2.3 Calculationofmassofcoating ThemassshallbecalculatedinaccordancewithEN102441. 5.3Porosity Theacceptableporosityshallbeagreedatthetimeofenquiryandorder.Theporosityofthetin coatinglayershallbe

27、evaluatedqualitivelybyoneofthefollowingmethods: METHOD1 Bendsamplesofwireatleast30cmlongintoaUshape,thoroughlydegreaseanddryandthen immersetoatleast10cminthefollowingsolution. 100ml5,0%NH 4 SCNanalyticalpurity 100ml2,5%CH 3 COOhanalyticalpurity 50ml0,3%H 2 O 2 Removethesamplesfromthesolutionafter1mi

28、nute.Areasofporosityareshownbytheappearance ofaredcolour.Page7 EN102444:2001 METHOD2 Analternativemethodconsistsofimmersingthesamewiresamplesinthefollowingsolution. HydrogenperoxideH 2 O 2 20ml SodiumchlorideNaCl30g PotassiumferricyanideK 4 Fe(CN) 6 .3H 2 O10g Makeupto1litrewithdemineralizedwater. R

29、inseundercoldwaterandwipedry.Immersethesampleagaininthetestsolutionandrepeatthe operation. Examinethesampletoestablishthepresenceofbluecolouredareasonthesurface(examination withnakedeyeshallgenerallybesufficient). Thebluecolouredareasindicateporosityinthetincoating. 5.4Adherence test Withregardtoadh

30、erence,thewrappingtestshallbecarriedoutaroundtheactualdiameterofthe wireinsofarastheductilityofthebasematerialpermitsthis.Ifitisnotthecase,theconditionsofthe wrappingtestshallbeagreedbetweentheparties.BS EN 10244-4:2001 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI i

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