Transactions of Materials and Heat Treatment

Title：Analysis of scale microstructure on tinplate strip with different hot rolling processes

Authors： WANG Yin-jun(Technology Center Shanghai Meishan Iron and Steel Co. Ltd. Nanjing 210039 China)

Unit：

KeyWords： hot rolling tinplate strip iron oxided scale

ClassificationCode：TG335.11

year,vol(issue):pagenumber：2008,33(4):57-59

Abstract：

Effects of different hot rolling processes on tinplate strip surface scale microstructure were investigated.The results indicate that the thickness of the surface oxided scale is reduced from 6-13 μm to 4-7 μm for the improvement of rolling mill and the pickling quality of the strip is improved;compared MR-3 with MR-2,the MR-3 tinplate strip is coiled with the higher coiling temperature of CT 680 ℃,the thickness of the MR-3 scale is thicker,and more mixtures of Fe3O4-Fe eutectoid are formed in MR-3 scale;with lower rolling temperature,such as the finishing rough rolling temperature of RT 1010-969 ℃,the thinner scale is formed when the temperature is being reduced.

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Reference：

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[3]傅作宝.冷轧薄板生产[M].北京:冶金工业出版社,1996.

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