After optimizing the processing parameter and enhancing the homogeneity of the secondary cooling system,make the incidence of bleeding out steel caused by worn out corner decrease from 1.0% to 0.4%.

• 为此；采取优化铜管内腔的工艺参数、提高二冷系统的均匀性等措施；使角裂漏钢发生率由1.；0%25降到0