板坯角横裂形成的原因及控制措施  

Formation Reasons and Control Measures of Transverse Corner Cracks on the Surface of Continuous Casting Slab

作　　者：刘红军[1] 刘文华[1] 

机构地区：[1]湖南华菱涟源钢铁有限公司,湖南娄底417000

出　　处：《连铸》2014年第2期42-46,共5页Continuous Casting

摘　　要：针对连铸板坯的角部横裂纹,从连铸工艺与设备精度的角度分析了板坯角横裂的形成原因,提出了防止角部裂纹的控制措施,采用相关控制措施后,板坯角部裂纹的发生率由早期的5%降低到0.5%以下。The formation reasons of transverse corner cracks on the surface of continuous casting slab were analyzed based on the continuous casting process. The accuracy of the equipment and the control measures were put forward. The slab corner crack rate was reduced from 5 % to 0.5% after taking these measures.

关 键 词：板坯 角横裂 连铸工艺 控制措施 

分 类 号：TF777.1[冶金工程—钢铁冶金]