BS4360-1990.PDF

IBS4360:1990UDC669.14.018.29:699.14.018.62:627.791,O110BritishStandardsInstitution.NopartofthispublicationmaybephotocopiedorotherwisereproducedwithoutthepriorpermissioninwritingofBSIBritishStandardSpecificationforWeldablestructuralsteelsAciersdeconstructionsoudables-SpécificationsSchweißbareBaustähle7,I”standardsInstitutionCOPYRIGHTBritishStandardsInstituteonERCSpecsandStandardsLicensedbyInformationHandlingServicesCOPYRIGHTBritishStandardsInstituteonERCSpecsandStandardsLicensedbyInformationHandlingServicesBS4360:1990ForewordThisBritishStandardhasbeenpreparedunderthedirectionoftheIronandSteelStandardsPolicyCommitteeandisidenticaltoBS4360:1986exceptforthedeletionofA,B,CandDand50DDgradesforplates,sectionsandbarstogetherwithanyreferencestotheminthetext.Thisstandard,togetherwithBSEN10025,supersedesBS4360:1986,whichiswithdrawn.ForhollowsectionsaseparateENisbeingprepared.TheEuropeanequivalentsoftheB,CandDand50DDgradesarespecifiedinBSEN10025whichistheEnglishlanguageversionofEN10025andispublishedsimul-taneouslywiththisstandard.WorkisgoingoninEuropetopreparestandardscoveringfinegrainsteels(coveringtheE,EEandFgradesofBS4360:1986),hotfinishedhollowsectionsandweatheringsteels.AstheseprojectsachieveEuropeanStandardstatusitisanticipatedthattheEnglishlanguageversionswillbepublishedasfollows.BSEN10113HotrolledproductsinweldablefinegrainstructuralsteelsPart1GeneraldeliveryconditionsPart2DeliveryconditionsfornormalizedsteelsPart3DeliveryconditionsforthermomechanicallyrolledsteelsBSEN10210Hotfinishedstructuralhollowsectionsofnon-alloyandfinegrainstructuralsteelsPart1TechnicaldeliveryPart2DimensionsandsectionalconditionspropertiesBSEN10155WeatheringsteelsBSEN10137PlatesandwideflatsmadeofweldablefinegrainedstructuralsteelsinthequenchedandtemperedconditionPart1TechnicaldeliveryconditionsgeneralrequirementsItisanticipatedthattolerancesforplates,strip,wideflats,sectionsandbarswillbepartofaseparateseriesofEuropeanStandards.BS4360willconsequentlybecomesmallerandsmalleruntileventuallyitwillbewithdrawn.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.COPYRIGHTBritishStandardsInstituteonERCSpecsandStandardsLicensedbyInformationHandlingServicesCOPYRIGHTBritishStandardsInstituteonERCSpecsandStandardsLicensedbyInformationHandlingServicesContentsForewordCommitteesresponsiblePageInsidefrontcoverBackcoverSpecificationSectionone.General1Scope2Definitions3General4Informationtobesuppliedbythepurchaser5Steelmakingprocess6Supplycondition7Chemicalcomposition8Weldability9Qualityoffinishedsteel10Identificationofcast11Marking12Testcertificates13Massofsteel3333344556666Sectiontwo.Specificrequirementsfordimensionalandshapetolerances14Tolerancesforpiatesandstrip715Tolerancesforwideflats916TolerancesforflatsIO17Tolerancesforroundandsquarebars1118Tolerancesforsections11Sectionthree.Specificrequirementsfortesting19Selectionandidentificationoftestsamples20Numberoftensiletests21Directionandpositionoftensiletestsamples22Tensiletestpieces23Tensiletest24Numberofimpacttests25Positionofimpacttestsamples26Impacttestpieces27Impacttests28Flatteningtest29Bendtests30Retests121212121213131314141414Sectionfour.Specificrequirementsforweldablestructuralsteelplates,stripandwideflats17Sectionfive.Specificrequirementsforweldablestructuralsteelsections(otherthanhollowsections)21Sectionsix.Specificrequirementsforweldablestructuralsteelrflatsandroundandsquarebars23Sectionseven.Specificrequirementsforweldablestructuralsteelhollowsections25Sectioneight.Specificrequirementsforweatherresistantweldablestructuralsteels29AppendicesAComparisonbetweengradesinthisstandardandBS4360:1979andequivalencewithgradesinEuronormsandIS0standardsBOptionsCPositionsoftestsamplesfortensiletestDPositionoftestpiecetobetakenfromtensiletestsampleswhentworolledsurfacescannotberetainedEPositionsoftestsamplesforimpacttestsFIndicativeCharpyV-notchimpactvaluesattemperaturesotherthanthosegivenintables13,15and19GBendtestforplates,stripandwideflatsinthicknessesuptoandincluding25mmTables1Permitteddeviationsinproductanalysisfrom2Lengthtolerancesforplates3Widthtolerancesforplates4Thicknesstolerancesforplates5Normalflatnesstolerancesforplates6Thicknesstolerancesforwideflats7Maximumdifferenceinthicknessinonetransversecrosssectionforwideflats8Angularaccuracytolerancesforwideflats9Widthtolerancesforflatsspecifiedladleanalysispercentages10Thicknesstolerancesforflats11Sizetolerancesforroundandsquarebars12Chemicalcomposition(ladleanalysis)forplates,stripandwideflats13Mechanicalpropertiesforplates,stripandwideflats14Chemicalcomposition(ladleanalysis)forsections(otherthanhollowsections)15Mechanicalpropertiesforsections(otherthanhollowsections)16Chemicalcomposition(ladleanalysis)forflatsandroundandsquarebars17Mechanicalpropertiesforflatsandroundandsquarebars18Chemicalcomposition(ladleanalysis)forhollowsections19Mechanicalpropertiesforhollowsections20Chemicalcomposition(ladleanalysis)forplates,strip,wideflats,flats,sections(otherthanhollowsections)androundandsquarebars:weatherresistantgrades21Mecha