连铸小方坯表面横裂的机理及控制措施  

Causes and measures of transverse crack on CC billet surface

作　　者：李贵顺[1] 薛世晓[1] 张乃升[1] 

机构地区：[1]安阳钢铁集团有限公司

出　　处：《连铸》2003年第6期35-36,共2页Continuous Casting

摘　　要：根据安铜第一炼钢厂近几年的连铸生产实践,分析连铸小方坯发生横裂的原因,主要有振动参数、二次冷却、拉速、保护渣的性能及操作等影响因素。通过采取相应的措施,使方坯横裂废品率降到较低水平。This paper analyzes systematically the causes of transverse crack in continuous casting billet based on the casting operation for recent years at No. 1 Steelmaking Plant of Angang. The affecting factors include oscillating parameters,secondary cooling,casting speed, the property of powder and the operating condition. The rejection of billet with transverse crack has been reduced through taking the respective measures.

关 键 词：小方坯连铸 横裂 控制措施 表面质量 振动参数 二次冷却 拉速 保护渣 

分 类 号：TF777[冶金工程—钢铁冶金]