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Promising Sparingly Alloyed Boron-Bearing Steels for the Production of High-Strength Fasteners

  • Metal Science in Metallurgy
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Metal Science and Heat Treatment Aims and scope

Abstract

The main advantages of boron-bearing steels used for production of rolled sections at cold upset shops of Russian automotive plants are considered. A thermodynamic model for the majority of boron-bearing steels for high-strength fasteners is used to plot nomograms characterizing the effect of titanium, aluminum, nitrogen, and boron on the amount of nitrides and oxides segregated in crystallization and on the content of effective boron. The effect of effective boron on the characteristics of hardenability is estimated. The studies conducted are used for determining the range of permissible contents of titanium and aluminum ensuring through hardenability of rolled bars from steels 12G1R, 20G2R, and 30G1R up to 25 mm in diameter.

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Authors and Affiliations

  1. Moscow State Institute of Steel and Alloys (Technological University), Moscow, Russia

    M. V. Bobylev, E. G. Koroleva & P. A. Shtannikov

Authors
  1. M. V. Bobylev
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  2. E. G. Koroleva
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  3. P. A. Shtannikov
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Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 5, pp. 51 – 55, May, 2005.

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Bobylev, M.V., Koroleva, E.G. & Shtannikov, P.A. Promising Sparingly Alloyed Boron-Bearing Steels for the Production of High-Strength Fasteners. Met Sci Heat Treat 47, 210–214 (2005). https://doi.org/10.1007/s11041-005-0053-z

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  • DOI: https://doi.org/10.1007/s11041-005-0053-z

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