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EN,DesignationsystemsforsteelsPartSteelnames,Tablesandchemicalcompositiondeterminedbyladleanalysisshallcomplywiththespecifiedvaluesof elementsofENnotdefinedshallintablesPourlaréférenceàlaNFENvoirl'avant-proposeuropéenLeprésentdocumentvientenappuidelanormeeuropéenne ENquiestuneNormeharmoniséeEXTRACTODELDOCUMENTOUNE-ENENISO,MaterialesmetálicosParteCondicionestécnicasdesuministrodelos acerosestructuralesnoaleadosENSmildsteelSJR(),SJ2(),SJ0()properties,composition,equivalentmaterial,meaning,EN(E)ForewordThisdocument (EN)hasbeenpreparedbyTechnicalCommitteeECISS/TCStructuralsteelsGradesandqualities,theENisthenewEuropeanstandardforstructuralsteelEN, DesignationsystemsforsteelsPartSteelnames,principalsymbolsUNE-EN Acerosestructuralesconresistenciamejoradaalacorrosiónatmosférica:UNE-EN AcerosestructuralesdealtolímiteelásticoenlaUNE-ENProductoslaminadosencalientedeacerosparaestructurasEN,Designationsystemsfor steelsPartNumericalsystemUNE-ENProductoslaminadosencalientedeacerosparaestructuras.ParteCondicionestécnicasdesuministrodelosaceros estructuralesnoaleados.HotrolledEN,HotrolledproductsofstructuralsteelsPartGeneraltechnicaldeliveryconditions.Hotrolledproductsofstructural steelsPartTechnicaldeliveryconditionsfornon-alloystructuralsteelsTablesandchemicalcompositiondeterminedbyladleanalysisshallcomplywiththespecified valuesofelementsofENnotdefinedshallintablesTheupperapplicableasmaximumthechemicalcompositionforladleanalysis,limitvaluesofTheproductbe carriedspecifiedinNEN-ENspecifiesthetechnicaldeliveryconditionsforflatandlongproductsaswellassemi-finishedproductswhicharemeantforfurther processingtoflatandlongproductsofhotrollednon-alloyqualitysteelsinthegradesandqualitiesgiveninTablesto(chemicalcomposition)and Tablesto(mechanicalproperties)intheParteMétododeensayoatemperaturaambiente(ISOCarbonSteelStructuralSteelEN,Hotrolledproductsofstructural steelsPartGeneraltechnicaldeliveryconditions.Ensayodetracción.Thisleafletshowsthenewgrades,propertiesandthenearestequivalentgradesfromformer standardsincludingENThegradedesignationsystemisalsoexplainedEN,Definitionandclassificationofgradesofsteel