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针对泰钢冷轧厂频繁出现碳化斑缺陷,根据实验分析缺陷成分和现场实际状况的综合分析,通过控制、优化脱脂工艺、提高退火吹氢时间和吹扫流量等方法,碳化斑缺陷得到了有效控制。
According to the comprehensive analysis of the defect composition and the actual situation in the field, the spot defects of carbonitrides frequently appear in the cold rolling mill of Tai Steel. The spot defects of carbon stain are effectively controlled by controlling and optimizing the degreasing process, increasing the time of hydrogen blowing in annealing and purging flow rate control.