Basic Characteristics of High-Speed Steel Roll ManufacturedUsing Continuous Pouring Process for Clad Method in Hot Strip Rolling:— Development of High-Speed Steel Roll in Hot Strip Rolling I —

概要

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In an attempt to accommodate a smaller-diameter roll in hot rolling, a high-speed steel roll has been developed using tool-steel material on the outer surface, since tool steel has good abrasion resistance and mechanical strength. To employ such a roll in the existing hot-rolling process, it was necessary to develop a roll manufacturing technology to ensure a uniform structure for each large-size roll, and the same time, it was necessary to carry out an analysis of the properties required of rolls for hot rolling and to develop other supporting technology. We have optimized the chemical composition and size of the carbide, and improved the matrix structure, and thereby improved the roll's resistance to abrasion, roughened surfaces, and roll failure. At the same time, we developed a good lubricant suitable for the high-speed steel roll. As a result, we have successfully developed a high-speed steel roll with good abrasion resistance and mechanical strength.
The Japan Society for Technology of Plasticityの論文