Abstract：Corner transverse cracks of HRB600 （E） steel slab with high strength threads produced by converter-refining-continuous casting （full water continuous casting machine） process are studied. The results show that the transverse corner cracks of HRB600 （E） billet are formed in the mould. It is concluded that the transverse corner cracks can be effectively solved by means of weak cooling, controlling casting speed, selecting reasonable flux and rational secondary cooling distribution ratio. After optimizing the process, the transverse corner cracks of the billet are basically eliminated, and there are no quality defects such as warping and scarring in the rolled products.
黄雁, 王东兴, 陈永峰, 杨伟勇, 张强, 王吾磊. 高强度螺纹钢铸坯表面裂纹原因分析及控制[J]. 连铸, 2020, 39(1): 40-45.
HUANG Yan, WANG Dong-xing, CHEN Yong-feng, YANG Wei-yong, ZHANG Qiang, WANG Wu-lei. Analysis and control of surface crack in high strength thread steel. CONTINUOUS CASTING, 2020, 39(1): 40-45.
A Yamauchi,K Sorimachi,T Yamauchi.Effect of solidus temperature and crystalline phase of mould flux on heat transfer in continuous casting mould[J]. Ironmaking and Steelmaking, 2002,29(3):203.
2020, Vol. 39 
