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Microalloyed steel for railroad wheels

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Abstract

Radical improvement in the reliability and longevity of railroad wheels at high train speeds and loads depends primarily on improvements in the properties of wheel steel: increased static and cyclic strength, high- and low temperature strength, and wear resistance, and low likelihood of the formation of martensitic surface zones. A short-term approach is to add microquantities of nitrogen and vanadium to standard pearlitic alloys. The Physicotechnological Institute of Metals and Alloys, Ukrainian Academy of Sciences, has been developing the basic principles of this technology and conducting industrial trials. The properties of the steel ensures (2–3)-fold increase in the reliability and longevity of hot-rolled wheels. Together with external physical action on the solidifying metal, this technology permits the production of high-quality cast wheels.

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Authors and Affiliations

  1. Physicotechnological Institute of Metals and Alloys, Ukrainian Academy of Sciences, Kiev, Ukraine

    S. Ya. Shipitsyn, Yu. Z. Babaskin, I. F. Kirchu, L. G. Smolyakova & N. Ya. Zolotar

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  1. S. Ya. Shipitsyn
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  2. Yu. Z. Babaskin
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  3. I. F. Kirchu
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  4. L. G. Smolyakova
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  5. N. Ya. Zolotar
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Additional information

Original Russian Text © S.Ya. Shipitsyn, Yu.Z. Babaskin, I.F. Kirchu, L.G. Smolyakova, N.Ya. Zolotar, 2008, published in “Stal’,” 2008, No. 9, pp. 76–79.

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Shipitsyn, S.Y., Babaskin, Y.Z., Kirchu, I.F. et al. Microalloyed steel for railroad wheels. Steel Transl. 38, 782–785 (2008). https://doi.org/10.3103/S0967091208090222

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  • DOI: https://doi.org/10.3103/S0967091208090222

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