According to productive practice of Shanxi NewLingang Steel Co. Ltd., this paper anal-yses the reasons of triangular area crack in CC slabsand puts forward some proper measures.

• 根据山西新临钢钢铁有限公司炼钢厂的生产实践,对连铸板坯三角区裂纹的产生原因进行分析,并提出相应的控制措施。