简介：Thecompositionandproductiontechnologyofthetypeofhot-rolledsteelplateusedintwo-sidedenamelingwerebrieflydescribed.Themicrostructureandmechanicalpropertiesbeforeandafterenamelingwerecontrastivelyinvestigated,andtheprecipitatesinthesampleswereanalyzedusingtransmissionelectronmicroscopeandenergydispersivespectrometer.Theresultsshowtheferritegrainsizeofthesteelplateafterhigh-temperatureenamelfiringtobefine,withalargenumberofTiCandTi4C2S2precipitatesdispersedthroughouttheferritematrix.Aftertworoundsofenamelfiringatatemperaturerangeof800-890℃,itsyieldstrengthcanstillreach342MPa.Theresultsofahydrogenpermeationtestshowthatthehydrogenstoragepropertiesofthesteelplatearemuchbetterthanthoseofordinarystructuralcarbonsteel.Abetterbubblestructureintheenamellayercanbeobtainedbythissteelplate,withnofish-scaledefectsontheenameledsteel-platesurface.