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针对连铸板坯的角部横裂纹,从连铸工艺与设备精度的角度分析了板坯角横裂的形成原因,提出了防止角部裂纹的控制措施,采用相关控制措施后,板坯角部裂纹的发生率由早期的5%降低到0.5%以下。
Aiming at the corner transverse crack of continuous casting slab, the formation reason of slab corner crack was analyzed from the angle of continuous casting process and equipment precision. The control measures of preventing corner crack were put forward. After relevant control measures were taken, Department of the incidence of cracks from the early 5% down to 0.5% or less.