LIU Jing, FU Chenguang, ZHU Jingqing, ZHOU Caihong, CHEN Weiqing. Internal Surface Folding Analysis of Continuous Casting Tube Rounds[J]. Chinese Journal of Engineering, 2002, 24(5): 533-536. DOI: 10.13374/j.issn1001-053x.2002.05.013
Citation: LIU Jing, FU Chenguang, ZHU Jingqing, ZHOU Caihong, CHEN Weiqing. Internal Surface Folding Analysis of Continuous Casting Tube Rounds[J]. Chinese Journal of Engineering, 2002, 24(5): 533-536. DOI: 10.13374/j.issn1001-053x.2002.05.013
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Internal Surface Folding Analysis of Continuous Casting Tube Rounds

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  • During the hot rolling of seamless steel tubes, internal surface folding (ISF) is frequently formed in Baotou Iron & Steel Co. The main factors, which caused the ISF, are analyzed using the method of step regression. Results show that the lower value of Mn/S, the higher casting overheaded level △t and pulling velocity v are the main reasons caused ISF.
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