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  1. No Access

    Article

    Prospects of Making Bainite Steel Rails

    This article presents the results of examining pilot bainite steel railroad rails and their tests. It is shown that the set of properties typical of these rails is unreachable in standard perlite steel rails a...

    A. B. Dobuzhskaya, G. A. Galitsyn, L. A. Smirnov, G. N. Yunin… in Steel in Translation (2023)

  2. No Access

    Article

    Transport Steels Microalloyed with Vanadium and Nitrogen

    The research results of the effect of small additions of vanadium and nitrogen on the microstructure and mechanical and service properties of high-carbon steels for railway transport are presented. The data on...

    L. A. Smirnov, A. V. Kushnarev, A. B. Dobuzhskaya, A. A. Kirichkov… in Steel in Translation (2020)

  3. No Access

    Article

    Development of an Innovative Digital Cooling Technology (Differential Heat Treatment) for EVRAZ NTMK Rails

    TEC-DT differential heat hardening technology is developed based on the process of digital control of air humidity by high-efficiency mixing of air flows and the water ejected by it. The wide-range cooling rat...

    A. V. Kushnarev, L. A. Smirnov, A. A. Kirichkov, A. B. Dobuzhskaya… in Steel in Translation (2020)

  4. No Access

    Article

    Modernization of Railroad Wheel Manufacturing Technology at Evraz Ntmk

    Results are provided for a study of the production process for manufacturing railroad wheels aimed at a reduction in metal consumption coefficient, material and energy expenditure, an increase in stability of ...

    A. V. Kushnarev, A. A. Kirichkov, A. A. Bogatov, S. S. Puzyrev in Metallurgist (2017)

  5. No Access

    Article

    Nitrogen as a microalloying element in steel for metallic structures

    The influence of nitrogen as a microalloying element in steel for metallic structures is investigated. The use of nitrogen to improve the mechanical properties and low-temperature strength of rolled steel in v...

    P. D. Odesskii, L. A. Smirnov, V. A. Parshin, A. A. Kirichkov in Steel in Translation (2015)

  6. No Access

    Article

    Structural and phase transformations in the continuous cooling of steel for one-piece railroad wheels

    The influence of the cooling rate on the phase transformations and the position of the critical points during the continuous transformation of the supercooled austenite in steel for one-piece railroad wheels i...

    A. V. Kushnarev, A. A. Kirichkov, N. V. Koptseva, D. M. Chukin… in Steel in Translation (2014)

  7. No Access

    Article

    Production of superhard railroad wheels from T steel

    The production of superstrong and durable heat-treated railroad wheels fromT steel is considered. Aspects of heat treatment are described, and the macrostructure, microstructure, and mechanical properties of t...

    A. V. Kushnarev, Yu. P. Petrenko, A. A. Kirichkov, V. V. Timofeev… in Steel in Translation (2011)

  8. No Access

    Article

    Introduction of wheel production on a new pressing and rolling line

    A new pressing and rolling line with high levels of mechanization and automatic control has been introduced for wheel production at OAO Nizhnetagil’skii Metallurgicheskii Kombinat, because the new product rang...

    A. V. Kushnarev, A. A. Kirichkov, V. D. Shestak, V. V. Timofeev… in Steel in Translation (2010)

  9. No Access

    Article

    Smelting low-silica hot metal at OAO NTMK

    In the blast-furnace shop at OAO Nizhnetagil’skii Metallurgicheskii Kombinat (NTMK), the smelting of low-silica vanadium hot metal is being introduced. Theoretical and experimental data reveal the influence of...

    S. V. Filatov, A. A. Kirichkov, V. A. Mikhalev, S. A. Zagainov… in Steel in Translation (2010)

  10. No Access

    Article

    Production of high-quality railroad wheels

    A new technology is proposed for improving the railroad wheels produced at OAO Nizhnetagil’skii Metallurgicheskii Kombinat. Mathematical simulation of the stam** of continuous-cast billet provides informatio...

    A. V. Kushnarev, A. A. Bogatov, A. A. Kirichkov, Yu. P. Petrenko in Steel in Translation (2010)

  11. No Access

    Article

    On continuous casting of steels using pulse-periodic cooling in a mold

    The causes of the difficulties that appear during continuous casting of steels with a wide solidification range are analyzed. It is shown that these difficulties can be overcome using a mold design that provid...

    A. V. Kushnarev, E. Kh. Shakhpazov, O. V. Travin… in Russian Metallurgy (Metally) (2010)

  12. No Access

    Article

    New system for supplying friable materials to the converter shop at OAO NTMK

    S. V. Khlyst, V. I. Gontar, A. V. Gontar, E. V. Borodin… in Steel in Translation (2008)

  13. No Access

    Article

    Optimizing the coking coal employed at OAO NTMK to ensure competitive CSR and CRI values of coke

    A. V. Kushnarev, A. A. Kirichkov, N. A. Berkutov… in Steel in Translation (2007)

  14. No Access

    Article

    OAO NTMK coking coal and its compliance with blast-furnace requirements

    A. V. Kushnarev, A. A. Kirichkov, N. A. Berkutov, R. R. Gilyazetdinov… in Coke and Chemistry (2007)

  15. No Access

    Article

    Fabrication of cast metallic articles by the method of polygradient crystallization

    A method of accelerated crystallization that prevents the formation of defects in solidifying cast preforms is suggested. The gist of the method consists in organization of a specific cooling regime during cas...

    A. V. Kushnarev, A. A. Kirichkov, Yu. P. Petrenko… in Metal Science and Heat Treatment (2007)

  16. No Access

    Article

    Converter Production of Clean Naturally Alloyed Steel from Vanadium Pig Iron for Use in Transportation Equipment

    This article describes a technology developed for making transport-grade steel in 160-ton converters. The technology uses the duplex process to convert vanadium pig iron to steel. The steel is then treated on ...

    S. K. Nosov, V. A. Sinel’nikov, A. A. Kirichkov, P. I. Yugov, A. V. Amelin… in Metallurgist (2005)