含钛铁素体不锈钢连铸板坯质量解析及工艺对策

来源期刊：钢铁2010年第4期

论文作者：杨军 顾学红 邵世杰 常锷

文章页码：94 - 97

关键词：含钛铁素体不锈钢； 连铸板坯； 质量； 工艺优化

Key words：Ti containing ferritic stainless steel； slab； quality； technology modification

摘    要：由于稳定化元素的加入,含钛铁素体不锈钢连铸板坯在表面质量和钢质纯净度方面均受到一定影响,并可能导致后续产品的质量水平下降。因此,对相关板坯样本进行了实验室分析,通过对板坯表面振痕测量、表面和皮下夹渣分析、等轴晶率评级、内在夹杂物显微观察和分布规律研究等手段,对含钛铁素体板坯的内、外部质量进行了全面解析,得出了目前含钛铁素体不锈钢板坯质量基本满足要求的结论,并对所存在的问题提出了针对性的工艺改进方向。

Abstract: Ti element has negative effect on Ti containing ferritic stainless steel slab quality,such as surface quality and purity of steel,as will result in low quality of the steel products.The inner and surface quality of slab were totally analyzed through the measurement of OSM depth,analysis of surface and sub-surface slag blister,evaluation of slab equiaxed crystal zone,micro observation and distribution characteristic of inclusion in slab.The results show that the slab quality can basically meet with the requirement of products.The direction of technology modification was presented for the existed problem.