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Mariupol, Ukraine

Shebanits E.N.,Mariupol Metallurgical Combine | Omelyanenko N.I.,Mariupol Metallurgical Combine | Kurakin Y.N.,Mariupol Metallurgical Combine | Matvienko V.N.,Mariupol State University | And 3 more authors.
Metallurgist | Year: 2012

Results obtained at the Mariupol Metallurgical Combine with a new technology for reconditioning the steel work rolls of hot-rolling mills are presented. The technology is based on hard-facing of the rolls with strip electrodes made of steels 20Kh4MFB, 15kp, and 08kp. Rolls hard-faced with a composite consisting of alternating strong and ductile layers are shown to have good fracture toughness. The service life of the rolls is increased, their wear is made more uniform, and the amount of metal removed in regrindings is reduced thanks to differentiation of the composition and properties of the metal along the body of the rolls. Reconditioning rolls with the hard-facing materials made by the Mariupol combine increases productivity per 1 mm of roll wear and makes the reconditioning operation more profitable. © 2012 Springer Science+Business Media New York.

Matvienkov S.A.,Mariupol Metallurgical Combine | Kharin A.K.,Mariupol Metallurgical Combine | Pushkov V.V.,Mariupol Metallurgical Combine | Bezcherev A.S.,Mariupol Metallurgical Combine | And 3 more authors.
Refractories and Industrial Ceramics | Year: 2011

A method is proposed for thermally insulating the hearth tubes of continuous heat-treatment furnace No. 3 in the plate shop at the Mariupol Metallurgical Combine with the use of ceramic fibers protected by refractory concrete. Results are presented from the use of furnace No. 3 with the experimental thermal insulation. © 2011 Springer Science+Business Media, Inc.

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