Zhou Xun, Ai Jiaojian, Wang Xiaodong, Xu Haiwei, Li Rui, Xia Yinfeng, Wang Jiangong, Yang Xiaohe, Sun Chaofan, Gao Xiaoli, Wei Lianqi. Analysis and Improvement of Edge Linear Defects of Tinplate[J]. IRON STEEL VANADIUM TITANIUM, 2016, 37(5): 162-168. doi: 10.7513/j.issn.1004-7638.2016.05.028
Citation:
Zhou Xun, Ai Jiaojian, Wang Xiaodong, Xu Haiwei, Li Rui, Xia Yinfeng, Wang Jiangong, Yang Xiaohe, Sun Chaofan, Gao Xiaoli, Wei Lianqi. Analysis and Improvement of Edge Linear Defects of Tinplate[J]. IRON STEEL VANADIUM TITANIUM, 2016, 37(5): 162-168. doi: 10.7513/j.issn.1004-7638.2016.05.028
Zhou Xun, Ai Jiaojian, Wang Xiaodong, Xu Haiwei, Li Rui, Xia Yinfeng, Wang Jiangong, Yang Xiaohe, Sun Chaofan, Gao Xiaoli, Wei Lianqi. Analysis and Improvement of Edge Linear Defects of Tinplate[J]. IRON STEEL VANADIUM TITANIUM, 2016, 37(5): 162-168. doi: 10.7513/j.issn.1004-7638.2016.05.028
Citation:
Zhou Xun, Ai Jiaojian, Wang Xiaodong, Xu Haiwei, Li Rui, Xia Yinfeng, Wang Jiangong, Yang Xiaohe, Sun Chaofan, Gao Xiaoli, Wei Lianqi. Analysis and Improvement of Edge Linear Defects of Tinplate[J]. IRON STEEL VANADIUM TITANIUM, 2016, 37(5): 162-168. doi: 10.7513/j.issn.1004-7638.2016.05.028
The growth mechanism and inherited characteristic of linear defect at the edge of hot rolling steel plate has been investigated in details.Based on the analysis,the effect of rolling process were discussed.SEM and EDS were used to analyze the morphology,component and structure of the defect.The result showed that,contributors to linear defect were inclusions from steel making process,the edge shell and oxide scale from hot rolling process and scratch from leveling process.The edge shell defect could be controlled by roll crown adjustment,,the inclusion scratch and oxide scale could be improved by series of process control technology.The edge linear defect proportion decreased by more than 70%,and the surface quality had been improved significantly.
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