20号钢连铸矩形坯宏观组织缺陷及其遗传性  

Macroscrtcture defect and heredity of continuous casting 20 steel grade rectangular blank

作　　者：高秋艳[1] 李勇[1] 刘国林[1] 刘亚平[1] 

机构地区：[1]河南省安阳钢铁集团有限责任公司

出　　处：《连铸》2002年第2期29-30,共2页Continuous Casting

摘　　要：归纳和分析铸坯宏观组织缺陷类型、生成机理,针对铸坯组织缺陷在管坯、钢管内外表面上的表现形式及其遗传规律进行论述。The type and forming machanism of macrostructure defect of cast blank are analysed and summarized, and its manifestation on the inside and outside surface of tube billet and pipe and heredity are also described in detail.

关 键 词：连铸 矩形坯 宏观组织缺陷 组织遗传性 

分 类 号：TF777[冶金工程—钢铁冶金]