第44卷第6期2022年12月甘肃冶金GANSUMETALLURGYVol.44No.6Dec.,2022文章编号:1672⁃4461(2022)06⁃0055⁃04SUS430冷轧板表面粗糙缺陷检测及产生原因分析程云霞,魏海霞,钱张信(酒泉钢铁(集团)股份有限公司,甘肃嘉峪关735100)摘要:通过对SUS430冷轧板表面粗糙缺陷样及罩式炉退火卷近表面和氧化皮的检测分析,确定罩式炉退火卷内氧化是导致冷轧板表面粗糙的主要原因。采取适当降低罩式炉退火温度、提高炉台风机转速、加大氢气置换量等措施,可有效减轻此类缺陷的发生。关键词:铁素体不锈钢;表面粗糙;内氧化;全氢罩式炉;氧化皮中图分类号:TG335.12文献标识码:ADetectionandCauseAnalysisofSurfaceRoughnessDefectsinSUS430ColdRolledSheetCHENGYun⁃xia,WEIHai⁃xia,QIANZhang⁃xin(JiuquanIron&Steel(Group)Co.Ltd.,Jiayuguan735100,China)Abstract:ThesurfaceroughnessdefectsamplesofSUS430coldrolledsheetweredetected.Inaddition,thenearsurfaceandoxidescaleofannealingcoilproducedbybellfurnace(BAF)wereanalyzed.Itisdeterminedthattheinternaloxidationisthemainreasonforthesurfaceroughnessofcoldrolledsheet.TheoccurrenceofsuchdefectscanbeeffectivelyreducedbyappropriatelyreducingtheannealingtemperatureofBAF,increasingthespeedoffurnacefanandincreasingtheamountofhydrogenconversion.KeyWords:ferriticstainlesssteel;roughsurface;internaloxidation;fullhydrogenbellfurnac...