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ArticleName Review of scientific-applied research and industrial application of radial shear rolling technology
DOI 10.17580/cisisr.2024.01.06
ArticleAuthor S. P. Galkin, T. Yu. Kin, Yu. V. Gamin, A. S. Aleshchenko, B. V. Karpov

National University of Science and Technology «MISIS» (Moscow, Russia)1 ; JSC “Istok ML” (Moscow, Russia)2

S. P. Galkin, Dr. Eng., Prof., Dept. of Metal Forming1,2, e-mail:

Yu. V. Gamin, Cand. Eng., Associate Prof., Dept. of Metal Forming1,2, e-mail:

A. S. Aleshchenko, Cand. Eng., Associate Prof., Head of Dept. of Metal Forming1,2, e-mail:


National University of Science and Technology «MISIS» (Moscow, Russia)
T. Yu. Kin, Leading Engineer, Postgraduate Student, Dept. of Metal Forming, e-mail:


Research and Development Center “OMD” (Moscow, Russia)
B. V. Karpov, Head of Research and Development Center “OMD”, e-mail:


Radial-shear rolling technology (RSR) is a modern, effective technique for obtaining structured semi-finished and final bar products from various metals and alloys, including hard-to-deform ones. Due to design features (feed angle 18–20 °, rolling angle 0–12 °, taper angle of roll 10 ± 2,5 °) implemented in the RSR equipment (mini-mills) and unique trajectory-deformation conditions, the possibility of obtaining ultrafine-grained functional-gradient structure is realized. At the same time, mini-mills are characterized by compactness and versatility of working tools, which allows to reduce labor costs and follow the concept of lean production. This article reviews the industrial application of technology and equipment of RSR and scientific and applied research in this direction by various scientific groups, outlines the elements of theory, as well as the main stages of development and implementation. The reviewed publications indicate the demand for and prospects of application of RSR technology for obtaining products with a unique combination of properties.

The study was supported by a grant from the Russian Science Foundation (Project No. 23-19-00477),

keywords Radial-shear rolling, trajectory, deformation coefficients, deformation scheme, steel billet, gradient structure, rolling mini-mill, roll adjustment, recycling, deformation of continuously cast billets

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