20号钢连铸坯内部裂纹缺陷的成因及控制  

Reasons and control on internal crack of 20~# steel cast billet

作　　者：史玉龙 

机构地区：[1]唐山贝氏体钢总厂

出　　处：《连铸》2004年第5期37-38,共2页Continuous Casting

摘　　要：阐述唐山贝钢厂用小方坯连铸生产20号钢出现铸坯内部裂纹的成因及改进控制措施。This paper describes the reasons on internal crack occurred in the production of 20~# steel billet at Tangshan Central Bainitic Steel Works and the improving measures are put forward.

关 键 词：内部裂纹 连铸坯 小方坯连铸 钢厂 缺陷 

分 类 号：TF777[冶金工程—钢铁冶金]