连铸坯表面凹陷和纵裂分析  

Analysis on Hollow and Longitudinal Crack on Concast Billet Surface

作　　者：刘明华[1] 刘正[1] 王海川[2] 

机构地区：[1]马鞍山钢铁股份有限公司 [2]华东冶金学院

出　　处：《炼钢》2000年第6期55-58,共4页Steelmaking

摘　　要：从钢水成分、浇注条件、保护渣性能、工艺操作等方面分析了马钢连铸坯表面产生凹陷和纵裂的原因 ,并提出了防止该缺陷的有效措施。The reasons of hollow and longitudinal crack existing on the surface of concast billets in Ma Anshan Iron & Steel Co. Ltd. have been analyzed from the composition of molten steel,casting conditions,performance of mould powder and technical process.Meanwhile some relative effective measurements against these defects have been put forward.

关 键 词：连铸坯 凹陷 纵裂 表面缺陷 连铸 

分 类 号：TF777[冶金工程—钢铁冶金]