连铸厚板坯表面裂坏的成因及防止对策

Causes and preventive measures of surface cracks on thick continuously cast heavy slabs

对连铸厚板坯表面裂纹产生的机理进行分析,并对工艺、设备、操作等进行技术攻关,使铸坯表面质量得到改善,基本解决了铸坯的表面裂纹。

This article analyses the forming causes of surface cracks on continuously cast heavy slabs. Technical study was made on the main factors such as process, equipment and operation. As a result, the slab surface quality has been significantly improved and slab surface cracks are basically eliminated.