通过对板坯三角区裂纹成因的调查分析，认为在攀钢连铸条件下，钢中硫含量高、铸机拉速波动、设备状况较差及二次冷却效果不好是三角区裂纹形成的主要原因。通过采取相应的防止措施，三角区裂纹得到有效控制。
Abstract：After investigating the causes for the slab triangle area cracks, it is considered that under the conditions of Pangang’s continuous casting, high sulfur in steel, casting speed fluctuation of caster, poor equipment condition and bad effect of secondary cooling are the main causes. And the triangle area cracks were controlled effectively after taking corresponding measures.
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