The results show that the openness and shape of funnel mold are critical for formation of longitudinal cracking. The optimized funnel shape has relation to the slab thickness.
结果表明：漏斗型结晶器的开口度和漏斗曲线对纵裂的形成有重要影响，漏斗曲线的优化与铸坯出口厚度有关。
The causes of surface longitudinal cracking were analyzed. Countermeasures were put forward based on the production practices of thin slab casting and rolling at Tonghua Steel Co.
分析了连铸薄板坯表面纵向裂纹的产生原因，结合通钢薄板坯生产实际情况，提出了改进措施。
The causes of surface longitudinal cracking were analyzed. Countermeasures were put forward based on the production practices of thin slab casting and rolling at Tonghua Steel Co.
分析了连铸薄板坯表面纵向裂纹的产生原因，结合通钢薄板坯生产实际情况，提出了改进措施。
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