连铸窄板坯角部横裂的成因及对策  

Causes and countermeasures of transverse corner crack on narrow continuous casting slab

作　　者：杨治争[1] 周有预[1] 袁凡成[1] 王俊杰[2] 魏从艳[1] 

机构地区：[1]武汉钢铁(集团)公司研究院,湖北武汉430080 [2]武汉钢铁(集团)公司第三炼钢厂,湖北武汉430083

出　　处：《钢铁研究》2007年第4期12-15,共4页Research on Iron and Steel

摘　　要：通过对武钢第三炼钢厂3号连铸机生产窄规格连铸坯时角横裂缺陷的形成原因进行分析,从二冷制度、连铸操作和设备状况方面提出了改进措施,使该类缺陷得到了有效控制。Through analyzing the causes of transverse corner crack on narrow continuous casting slab produced with No. 3 CC machine of No. 3 Steelmaking Plant of WISCO, some measures have been taken, including the improvement of secondary cooling pattern, CC technological operation and equipment situation. As a result, this kind of crack has been under effective control.

关 键 词：窄规格连铸坯 角部横裂 脆性温度 

分 类 号：TF777[冶金工程—钢铁冶金]