棒材常见表面裂纹的原因分析及改进  

Cause Analysis and Improvement of Common Surface Cracks for Bars

作　　者：李玉华[1] 王宗斌[1] 亓海燕 姜晓艳 Li Yuhua;Wang Zongbin;Qi Haiyan;Jiang Xiaoyan(The Special Steel Business Division)

机构地区：[1]莱芜钢铁集团有限公司特钢事业部

出　　处：《莱钢科技》2021年第2期16-18,共3页Laigang Science & Technology

摘　　要：通过分析热轧棒材表面裂纹的形貌特征、产生原因,实施针对性的改进措施,从而大幅度减少了表面裂纹的发生。By analyzing the appearance characteristics and causes of surface cracks for hot rolled bars,the targeted improvement measures were implemented,and then the occurrence of surface cracks was greatly reduced.

关 键 词：热轧棒材 裂纹 缺陷 夹杂物 

分 类 号：TG3[金属学及工艺—金属压力加工]