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Rolling and Metal Forming
ArticleName The concept of a mini-mill rerolling used rails as a raw material
DOI 10.17580/cisisr.2020.01.06
ArticleAuthor S. A. Levandovskiy, G. K. Rozhkov, A. B. Moller, O. N. Tulupov

Nosov Magnitogorsk State Technical University (Magnitogorsk, Russia):

S. A. Levandovskiy, Cand. Eng., Associate Prof., Materials Processing Dept., E-mail:
G. K. Rozhkov, Mag. Student., Materials Processing Dept.
A. B. Moller, Dr. Eng., Prof., Head of Materials Processing Dept.
O. N. Tulupov, Dr. Eng., Prof., Materials Processing Dept.


There are modern conditions for the development of the metallurgical sector of the economy with some new features. The paper provides an overview of the state of modern mini-mills, their extended classification is given. As an example, an approach to formation of new and the development of existing mini-mills for the production of metal using recycled materials is given. The technology of rerolling of used rails into a square billet, reinforced bars and grinding balls is considered. The resulting production line is characterized as highly environmental friendly equipment: electric energy from a hydroelectric power station is used as the main source, secondary scrap remelting technology is not used, production wastes are minimized and secondary metallurgical raw materials are consumed.

keywords Technical specification, used rails, steel processing, secondary production, production of rebar, high-carbon steel, resource saving, minimills, micro-mills, nano-mills, world steel market, casting rolling unit, direct reduction iron

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