Cause analysis of shell defects on surface of 42CrMo steel
TIAN Hua1��WANG Wei-wei2
1. Steel Rolling Transmission Department�� Beijing Aritime Intelligent Control Co.��Ltd.�� Beijing 100070�� China 2. Metallurgical Technology Institute�� Central Iron and Steel Research Institute��Beijing 100081�� China
Abstract��The shell defects of 42CrMo steel were macroscopically and microscopically analyzed to investigate the formation cause. The results showed that shell defects were mainly caused by the inclusions inside casting billet which was introduced from the crystallizer casting powder due to fluctuation of continuous casting process. The corresponding process control measures were proposed by combining with the actual conditions in field. It effectively guide the on-site quality inspection personnel and better improve the product quality.
�ո�����: 2016-03-24
��������: 2016-06-06
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E-mail: th528@163.com
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�� ����������. 42CrMo�ֱ�����Ƥȱ�ݳ������[J]. �й������ڿ���, 2016, 34(3): 36-39.
TIAN Hua��WANG Wei-wei. Cause analysis of shell defects on surface of 42CrMo steel. Chinese Journal of Iron and Steel, 2016, 34(3): 36-39.
2016, Vol. 34 
