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Industrial Tests of Microcrystalline Complex Alkaline Earth Metal Alloys when Casting Pipe Steel

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Abstract

The results of studying the effect of microcrystalline complex alloys with alkaline earth metals (AEM) on the quality indicators of 17G1S-U pipe steel have been considered. It has been shown that the treatment of steel with these alloys reduces both the maximum score of non-metallic inclusions (NI) and the mean level of contavmination for the main types of inclusions including corrosive-active ones (CANI). Alongside with this, fine calcium, strontium and barium oxysulfides with a reduced oxygen content are formed in the metal. The complex alloys with alkali-earth metals contribute to obtaining a more homogeneous and refined metal structure, an increase in the cold resistance and corrosion resistance of steel.

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Authors and Affiliations

  1. NPP Group, Chelyabinsk, Russia

    I. V. Bakin, R. G. Usmanov & I. V. Ryabchikov

  2. National University of Science and Technology “MISIS”, Novotroitsk Branch, Novotroitsk, Russia

    A. N. Shapovalov

  3. AO Ural Steel, Orsk, Russia

    M. S. Kuznetsov

  4. South Ural State University (NRU), Chelyabinsk, Russia

    I. V. Bakin, N. A. Shaburova & V. N. Panov

  5. OOO NPP Technology, Chelyabinsk, Russia

    V. A. Golubtsov

  6. OOO UK “RUMELKO”, Moscow, Russia

    V. G. Mizin

  7. OAO RosNITI, Chelyabinsk, Russia

    V. N. Panov

Authors
  1. I. V. Bakin
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  2. A. N. Shapovalov
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  3. M. S. Kuznetsov
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  4. N. A. Shaburova
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  5. R. G. Usmanov
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  6. V. A. Golubtsov
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  7. I. V. Ryabchikov
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  8. V. G. Mizin
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  9. V. N. Panov
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Corresponding author

Correspondence to I. V. Bakin.

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Translated by M. Astrov

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Bakin, I.V., Shapovalov, A.N., Kuznetsov, M.S. et al. Industrial Tests of Microcrystalline Complex Alkaline Earth Metal Alloys when Casting Pipe Steel. Steel Transl. 50, 795–800 (2020). https://doi.org/10.3103/S0967091220110030

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  • DOI: https://doi.org/10.3103/S0967091220110030

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