DIN_EN_10263-4_En_2002-02

ICS77.140.60;77.140.65Walzdraht,StäbeundDrahtausKaltstauch-undKaltfließpress-stählen–Teil4:TechnischeLieferbedingungenfürVergütungsstähleEuropeanStandardEN10263-4:2001hasthestatusofaDINStandard.Acommaisusedasthedecimalmarker.NationalforewordThisstandardhasbeenpreparedjointlybyECISS/TC15‘Wirerod–Qualities,dimensions,tolerancesandspecifictests’,ECISS/TC23‘Steelforheattreatment,alloysteelsandfree-cuttingsteels–Qualities’,andECISS/TC30‘Steelwires’.TheresponsibleGermanbodyinvolvedinitspreparationwastheNormenausschussEisenundStahl(SteelandIronStandardsCommittee),TechnicalCommitteeKaltstauch-undKaltfließpressstähle.Foreaseofreference,thetableoverleafcorrelatesthematerialdesignations/symbolsusedinDIN1654-4withthosegiveninthepresentstandard.Ref.No.DINEN10263-4:2002-02Englishpricegroup11SalesNo.111105.02DEUTSCHENORMFebruary2002EN10263-4{Continuedoverleaf.ENcomprises16pages.©NopartofthisstandardmaybereproducedwithoutthepriorpermissionofDINDeutschesInstitutfürNormunge.V.,Berlin.BeuthVerlagGmbH,10772Berlin,Germany,hastheexclusiverightofsaleforGermanStandards(DIN-Normen).Steelrod,barsandwireforcoldheadingandcoldextrusionPart4:TechnicaldeliveryconditionsforsteelsforquenchingandtemperingEnglishversionofDINEN10263-4SupersedesDIN1654-4,October1989edition.Table:CorrelationofthematerialdesignationsusedinDIN1654-4andEN10263-4MaterialdesignationDIN1654-4EN10263-4SymbolNumberSymbolNumberCq221.1152––Cq351.1172C35EC1.1172Cq451.1192C45EC1.119238Cr21.700338Cr21.700346Cr21.700646Cr21.700634Cr41.703334Cr41.703337Cr41.703437Cr41.703441Cr41.703541Cr41.703525CrMo41.721825CrMo41.721834CrMo41.722034CrMo41.722042CrMo41.722542CrMo41.722534CrNiMo61.658234CrNiMo61.658230CrNiMo81.6580––22B21.550823B21.550828B21.551028B21.551035B21.5511––19MnB41.5523(20MnB4)(1.5525)AmendmentsDIN1654-4,October1989edition,hasbeensupersededbythespecificationsofEN10263-4.PreviouseditionsDIN1654:1954-08;DIN1654-4:1980-03,1989-10.Page2DINEN10263-4:2002-02EnglishversionICS77.140.60;77.140.65Descriptors:Steelrod,barsandwireforcoldheadingandcoldextrusionPart4:Technicaldeliveryconditionsforsteelsforquenchingandtempering©2001.CEN–AllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENnationalmembers.Ref.No.EN10263-4:2001EWalzdraht,StäbeundDrahtausKaltstauch-undKaltfließpress-stählen–Teil4:TechnischeLiefer-bedingungenfürVergütungsstähleThisEuropeanStandardwasapprovedbyCENon2001-04-19.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstand-ardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember.TheEuropeanStandardsexistinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,theCzechRepublic,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,theNetherlands,Norway,Portugal,Spain,Sweden,Switzerland,andtheUnitedKingdom.EN10263-4June2001ManagementCentre:ruedeStassart36,B-1050BrusselsEuropeanCommitteeforStandardizationComitéEuropéendeNormalisationEuropäischesKomiteefürNormung|ÈÉËBarres,filmachineetfilsenacierpourdéformationàfroidetextrusionàfroid–Partie4:ConditionstechniquesdelivraisondesacierspourtrempeetrevenuPage2EN10263-4:200123333333334444444Page3EN10263-4:2001Page4EN10263-4:2001Page5EN10263-4:2001Page6EN10263-4:2001Table2-Steelgradesandchemicalcompositionforsteelgradeswithoutboron(heatanalysis)%bymassa)b)Page7EN10263-4:2001Table3-Steelgradesandchemicalcompositionforsteelgradescontainingboron(heatanalysis)%bymassa)b)Page8EN10263-4:2001Table4-Permissibledevationsbetweenproductanalysisandthelimitingvaluesspecifiedintables2and3fortheheatanalysisPage9EN10263-4:2001Table5-MechanicalpropertiesforsteelgradeswithoutboronPage10EN10263-4:2001Table6-MechanicalpropertiesforsteelgradescontainingboronPage11EN10263-4:2001Table6(concluded)Page12EN10263-4:2001Table7-Hardnesslimitsforsteelgradeswithoutboronwithspecified(normal)hardenability(+Hgrades;see6.4.1)Page13EN10263-4:2001Table8-Hardnesslimitsforsteelgradeswithoutboronwithrestrictedhardenabilityscatterbands(+HHand+HLgrades;see6.4.2)a)Page14EN10263-4:2001Table8(concluded)a)Page15EN10263-4:2001Table9-Hardnesslimitsforsteelgradescontainingboronwithspecified(normal)hardenability(+Hgrades;see6.4.1)Page16EN10263-4:2001Table10-Maximumdiameterforwichatleast90%martensiteshallbeattainedinthecorehardnesstest(+CHgrades)SteelswithoutboronSteelscontainingboron