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Mastering the Production of 40- and 60-mm-Diam. Grinding Balls in Hardness Classes III and IV at the Donetsk Metal-Rolling Plant

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Metallurgist Aims and scope

Information is presented on the development of a new technology for the production of small-diameter grinding balls that have class-III and class-IV hardness ratings and are made from continuous-cast carbon steel semifinished products with a small cross section. Recommendations are given on the chemical composition of the high-carbon steel, which has superior hardenability. The regimes established for the rolling and heat-treatment operations have made it possible to produce class-III and class-IV-hardnessrated 40-mm-diam. grinding balls and class-III-hardness-rated 60-mm-diam. grinding balls since the successful introduction of the ShPS 30-80 ball-rolling mill. The balls meet the requirements of the standards GOST 7524–89 and DSTU 3499–97.

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Authors and Affiliations

  1. Donetsk Metal-Rolling Plant, Donetsk, Ukraine

    M. M. Lam, A. I. Serov, A. A. Ternavskii & G. S. Bazarova

  2. Donetsk National Technical University, Donetsk, Ukraine

    E. N. Smirnov

Authors
  1. M. M. Lam
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  2. A. I. Serov
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  3. E. N. Smirnov
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  4. A. A. Ternavskii
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  5. G. S. Bazarova
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Corresponding author

Correspondence to M. M. Lam.

Additional information

Translated from Metallurg, No. 4, 87–91, April, 2016.

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Lam, M.M., Serov, A.I., Smirnov, E.N. et al. Mastering the Production of 40- and 60-mm-Diam. Grinding Balls in Hardness Classes III and IV at the Donetsk Metal-Rolling Plant. Metallurgist 60, 440–446 (2016). https://doi.org/10.1007/s11015-016-0311-x

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  • DOI: https://doi.org/10.1007/s11015-016-0311-x

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