1、BRITISH STANDARD BS EN 10304:2001 Magnetic materials (iron and steel) for use in relays The European Standard EN 10304:2001 has the status of a British Standard ICS 29.030 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN 10304:2001 This British Standard, having been prepar
2、ed under the direction of the Engineering Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 June 2001 BSI 06-2001 ISBN 0 580 37000 3 National foreword This British Standard is the official English language version of EN 10304:2001. It supersed
3、es BS 6404-8.10:1995 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee ISE/NFE/5, Magnetic alloys and steels, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-refer
4、ences 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 “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catal
5、ogue. 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 Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the tex
6、t; present 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
7、front cover, the EN title page, pages 2 to 19 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 EN10304 April2001 ICS77.140.40;77.14
8、0.50 Englishversion Magneticmaterials(ironandsteel)foruseinrelays Matriauxmagntiquespourrelais(feretacier) MagnetischeRelaiswerkstoffe(EisenundStahl) ThisEuropeanStandardwasapprovedbyCENon8March2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingt
9、hisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyother
10、languagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Nethe
11、rlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Re
12、f.No.EN10304:2001EPage2 EN10304:2001 Contents Foreword3 1 Scope 4 2 Normativereferences 4 3 Termsanddefinitions. .4 4 Classification5 5 Designation.5 6 Generalrequirements 6 6.1 Productionprocess .6 6.2 Formofsupply .6 6.3 Deliveryconditions. .7 6.4 Surfacecondition. 7 7 Technicalrequirements .7 7.1
13、 Magneticproperties. 7 7.2 Geometriccharacteristicsandtolerances 7 8 Inspection .16 8.1 General16 8.2 Selectionofsamples .16 8.3 Preparationoftestspecimens. .16 8.4 Testmethods 17 9 Marking,labellingandpackaging 18 10 Complaints18 11 Orderinginformation . 18 Bibliography 19Page3 EN10304:2001 Forewor
14、d ThisEuropeanStandardhasbeenpreparedbyTechnicalCommitteeECISS/TC24“Electricalsteelsheetandstrip qualitiesQualities,dimensions,tolerancesandspecifictests“,thesecretariatofwhichisheldbyDIN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorseme
15、nt,atthelatestbyOctober2001,andconflictingnationalstandardsshallbewithdrawnatthelatest byOctober2001. ThisStandardisbasedonIEC60404810. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechR
16、epublic,Denmark,Finland, France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden, SwitzerlandandtheUnitedKingdom.Page4 EN10304:2001 1Scope ThisEuropeanStandardspecifiesthemagneticmaterialsusedprincipallyforrelays.Inparticularitspecifies generalrequirements,the
17、magneticproperties,geometriccharacteristicsandtolerances. ThisEuropeanStandardappliestopureironandsteelproductsgenerallydeliveredinthesemiprocessedstate. ThesematerialscorrespondtoclausesA,B,C1andC2ofIEC604041. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provision
18、sfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthela
19、testeditionofthe publicationreferredtoapplies(includingamendments). EN10021, Generaltechnicaldeliveryrequirementsforsteelandsteelproducts . EN10029, Hotrolledsteelplates3mmthickandaboveTolerancesondimensions,shapeandmass . EN10051,Continuouslyhotrolleduncoatedplate,sheetandstripofnonalloyandalloyste
20、elsToleranceson dimensionsandshape . EN10131, ColdrolleduncoatedlowcarbonandhighyieldstrengthsteelflatproductsforcoldformingTolerances ondimensionsandshape . EN10204, MetallicproductsTypesofinspectiondocuments . EN10251, MagneticmaterialsMethodsofdeterminationofthegeometricalcharacteristicsofmagneti
21、csteelsheet andstrip . prEN10058:2000, Hotrolledflatforgeneralpurposes . prEN10059:2000, Hotrolledsquareforgeneralpurposes . prEN10060:2000, Hotrolledroundforgeneralpurposes . IEC60050(221), InternationalElectrotechnicalVocabulary(IEV)Chapter221:Magneticmaterialsand components. IEC604047, Magneticma
22、terialsPart7:Methodofmeasurementofthecoercivityofmagneticmaterialsinan openmagneticcircuit . EN202861, ISOsystemoflimitsandfitsPart1:Basesoftolerances,deviationsandfits(ISO2861:1988) ISO84571, Steelwirerod:Part1:Dimensionsandtolerances . 3 Termsanddefinitions ForthepurposesofthisEuropeanStandardthet
23、ermsanddefinitionsgiveninIEC60050(221)andthefollowing apply. 3.1 sheetandplate flatrolledproductwithawidthof600mmorover NOTE1 Theedgesareasrolled,shearedorflamecut.Page5 EN10304:2001 NOTE2 Adistinctionismadebetweensheetswhichhaveathicknessupto3mmandplateswhichhaveathicknessof 3mmorover. 3.2 strip fl
24、atrolledproductwhichimmediatelyafterthefinalrollingpassorafterpicklingorcontinuousannealingiswound intoaregularcoil NOTE Asrolledstriphasslightlyconvexedges,butmayalsobesuppliedwithshearededgesorslitfromwiderstrip 3.3 flats productsofrectangularcrosssectionrolledonthefourfacesofthicknessgenerally5mm
25、orgreaterandwidthnot greaterthan150mm 3.4 rounds productshavingacircularcrosssectionofdiametergenerally8mmorgreater 3.5 squares productshavingasquarecrosssectionwhosesideisgenerally8mmorgreater 3.6 wirerod hotrolledlongproducthavinganominalsizegenerallyof5mmorgreaterandwoundintoirregularcoils NOTE T
26、hecrosssectionmayberound,oval,square,rectangular,hexagonal,octagonal,halfroundorofanysimilar shape. 3.7 wire productofconstantfullcrosssectionalongitslength,obtainedbycolddrawingandwhichcanbewoundinto irregularorregularcoils NOTE Itisobtainedbycolddrawingwirerodthroughareducingdieorpassingunderpress
27、urebetweenrollersand rewindingthedrawnproduct. 3.8 edgecamber greatestdistancebetweenalongitudinaledgeofthesheetandthelinejoiningthetwoextremitiesofthemeasured lengthofthisedge 4Classification Thematerialscoveredbythisstandardareclassifiedaccordingtothemaximumvalueofcoercivity,theshapeand dimensions
28、ofthematerialanditsfinalcondition.Notallmaterialsareavailableinthecoldrolledcondition throughoutthethicknessrange. 5Designation Theconventionaldesignationofthematerialcomprisesthefollowingintheordergiven: theletterM; thespecifiedmaximumvalueofcoercivityinA/m; oneofthefollowingsymbols: F:forpureiron;
29、Page6 EN10304:2001 T:foralloysteel; U:fornonalloysteel; thefinalconditionasindicatedbelow: H:hotrolled; C:coldrolledorcolddrawn; forexample: M80TH:alloysteelwithaspecifiedmaximumcoercivityof80A/minthehotrolledcondition. 6 Generalrequirements 6.1Production process Theproductionprocessoftheproductsdef
30、inedbythisstandardislefttothediscretionofthemanufacturer. 6.2 Formofsupply 6.2.1Strip Thematerialsaresuppliedinthehotorcoldrolledconditions. Thecoilsshallhaveaminimuminternaldiameterofapproximatively500mm.Thestripshallbeofconstantwidth andwoundinsuchamannerthattheedgesaresuperimposedinaregularmanner
31、andthatthesidefacesofcoil aresubstantiallyflat. Thecoilsshallbesufficientlytightlywoundsothattheydonotcollapseundertheirownweight. Thestripcanoccasionallyexhibitweldsorinterleavesresultingfromtheremovalofdefectivezonessubjecttoprior agreementbetweentheparties.Thevalueoftheadditionalthicknessduetothe
32、weldissubjecttoagreement.If necessarythemarkingofweldsorinterleavesmayformthesubjectofaspecialagreement. Forcoilscontainingrepairweldsorinterleaves,eachpartofthestripshallbeofthesamequalitymaterial. Theedgesofpartsweldedtogethershallnotbesomuchoutofalignmentastoaffectthefurtherprocessingofthe materi
33、al. Themassofcoilsshallbeagreedatthetimeofordering. 6.2.2 Sheetandplate Thismaterialmaybesuppliedinthehotorcoldrolledconditions. Theedgesofthesheetorplate,paralleltotherollingdirectionshallbeasrolled,mechanicallyshearedorflame cut. 6.2.3 Flatsandbars Thematerialmaybesuppliedinthehotorcoldrolledcondi
34、tionsorcolddrawncondition. 6.2.4 Wirerodandwires Wirerodandwiresaredeliveredrespectivelyinthehotrolledconditionandinthedrawncondition. Theseproductsaredeliveredintheformofcoils;themassofthecoilsshallbedefinedatthetimeofordering.Page7 EN10304:2001 6.3Delivery conditions Thedifferenttypesofdeliverycon
35、ditionaregiveninTable1. Table1Deliveryconditions Typeofproduct Hotrolled Coldrolled Colddrawn Semiprocessedcondition a Strip x x x Sheet x x x Plate x x Flatandbar x x x Wirerod x x Wire x x a Theproductsmaybesuppliedinthefullyprocessedcondition,ifagreedattimeofordering. 6.4Surface condition Thesurf
36、acesoftheproductshallbesmooth,cleanandfreefromgreaseandrust. Isolatedimperfectionssuchasscratches,blistersetcmaybetoleratedifthethicknessremainswithinthetolerance limits. Thenatureofthesurfaceconditionwilldependonthefinaltreatment.Formaterialinthehotrolledcondition,the materialexhibitsahotmillscale.
37、 7 Technicalrequirements 7.1 Magneticproperties ThespecifiedmaximumvalueofcoercivityshallbeasgiveninTable2. Table2Coercivity Grade Maximumcoercivity inA/m M40 40 M60 60 M80 80 M120 120 M240 240 Ifpropertiesintheagedconditionarerequired,theyshallbethesubjectofprioragreementtogetherwiththe conditionso
38、ftheageingtreatment. 7.2 Geometriccharacteristicsandtolerances 7.2.1Thickness 7.2.1.1 Hotrolledflatproducts ThetolerancesonthicknessshallbeasgiveninTable3forstripandsheetandinTable4forplate.Page8 EN10304:2001 Table3Tolerancesonthicknessforcontinuouslyhotrolledstripandsheet a Dimensionsinmillimetres
39、Nominalthickness Tolerancesforanominalwidthof 1200 1200 1500 1500 1800 1800 2,00 0,17 0,19 0,21 2,00 2,50 0,18 0,21 0,23 0,25 2,50 3,00 0,20 0,22 0,24 0,26 3,00 4,00 0,22 0,24 0,26 0,27 4,00 5,00 0,24 0,26 0,28 0,29 5,00 6,00 0,26 0,28 0,29 0,31 6,00 8,00 0,29 0,30 0,31 0,35 8,00 10,00 0,32 0,33 0,3
40、4 0,40 10,00 12,50 0,35 0,36 0,37 0,43 12,50 15,00 0,37 0,38 0,40 0,46 15,00 25,00 0,40 0,42 0,45 0,50 a AsdefinedinEN10051. Table4Tolerancesonthicknessforhotrolledplate a Dimensionsinmillimetres Nominal thickness Toleranceson thenominal thickness Maximumthicknessdifferencewithinaplate Nominalplatew
41、idth 600 2000 2000 2500 2500 3000 3000 3500 3500 4000 4000 35 0,6 0,8 0,9 0,9 58 0,75 0,9 0,9 1,0 1,0 815 0,85 0,9 1,0 1,0 1,1 1,1 1,2 1525 0,95 1,0 1,1 1,2 1,2 1,3 1,4 2540 1,1 1,1 1,2 1,2 1,3 1,3 1,4 4080 1,2 1,2 1,3 1,4 1,4 1,5 1,6 80150 1,6 1,3 1,4 1,5 1,5 1,6 1,7 150200 1,8 1,4 1,5 1,6 1,6 1,7
42、a AsdefinedinEN10029.Page9 EN10304:2001 7.2.1.2 Coldrolledflatproducts ThetolerancesonthicknessshallbeasgiveninTable5. Table5Tolerancesonthicknessforcoldrolledflatproducts a Dimensionsinmillimetres Nominalthickness Normaltolerancesfora nominalwidth Specialtolerancesfora nominalwidth 1200 1500 1500 1
43、200 1500 1500 0,40 0,04 0,05 0,025 0,035 0,40 0,60 0,05 0,06 0,07 0,035 0,045 0,05 0,60 0,80 0,06 0,07 0,08 0,040 0,05 0,05 0,80 1,00 0,07 0,08 0,09 0,045 0,06 0,06 1,00 1,20 0,08 0,09 0,10 0,055 0,07 0,07 1,20 1,60 0,10 0,11 0,11 0,07 0,08 0,08 1,60 2,00 0,12 0,13 0,13 0,08 0,09 0,09 2,00 2,50 0,14 0,15 0,15 0,10 0,11 0,11 2,50 3,00 0,16 0,17 0,17 0,11 0,12
