Deoxidation and Inclusions in 410S Ferritic Stainless Steel Production

摘要：

　　The total oxygen content in 410S ferritic stainless steel after deoxidation in AOD was calculated by thermodynamic calculation.The total oxygen content and the chemical composition in steel,the morphology of the inclusions and the slag composition during smelting process were analyzed.The results show that the calculated total(oxygen)after deoxidation is in good agreement with experimental results.The total oxygen content decreases with an increase of silicon content after AOD reduction process.The total oxygen content and the inclusion size decrease during the AOD-LF-CCM process.The inclusions in the end of the AOD and LF are mainly CaO-SiO2-MgO-Al2O3 complex inclusions with similar chemical composition of slag.Additionally,the types of inclusions change at the different stage of the process.The variation of the inclusions compositions is related to the decreasing of temperature in tundish.

关键词： ferritic stainless steel 410S thermodynamic calculation total oxygen content inclusions

作者: Xingrun CHEN Bing FENG Jun MA Jianxin WANG

作者单位: Hongxing Iron & Steel Co.,Ltd.,Jiayuguan,Jiuquan Iron and Steel Group Corporation,735100,China

会议类型: 国际会议

会议名称: the 6th International Congress on the Science and Technology of Steelmaking,ICS2015(第六届国际炼钢科技大会)

会议地点: 北京

会议语种:英文

页码: 833-836

在线出版日期: 2015-05-12（万方平台首次上网日期，不代表论文的发表时间）