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Influence of cooling rate from the intercritical temperature range on strain hardening and aging of 05G2S2 steel

  • Constructional Steels
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Metal Science and Heat Treatment Aims and scope

Conclusions

  1. 1.

    With a decrease in quenching rate from the intercritical temperature range a change from a ferritic-martensitic to a ferritic-bainitic structure occurs in 05G2S2 steel. At the same time there is an improvement in the combination of characteristics of strength and plasticity and a reduction in the σ0.2/σt ratio.

  2. 2.

    Oil quenched specimens of 05G2S2 steel possess increased formability in comparison with water quenched specimens with the same level of strength and plasticity.

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Literature cited

  1. T. Prnka, K. Mazanets, and A. Zil'bernagel', “Martensitic-ferritic steels and their use,” Metalloved. Term. Obrab. Met., No. 7, 12–15 (1981).

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  2. T. V. Ostrovskaya and M. V. Selivanov, “Duplex steels—a new class of high-strength materials with good formability,” in: Chermetinformatsiya [in Russian], Bulletin No. 14, Moscow (1982), pp. 25–39.

  3. B. M. Bronfin, M. I. Gol'dshtein, A. A. Emel'yanov, and A. Z. Shifman, “The formation of epitaxial ferrite in low-carbon low-alloy steel after quenching from the intercritical temperature range,” Fiz. Met. Metalloved.,59, No. 1, 144–151 (1985).

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  4. A. P. Surovtsev and V. V. Yarovoi, “Features of the kinetics of the polymorphic transformation in heating of low-carbon steels,” Metalloved. Term. Obrab. Met., No. 9, 2–5 (1984).

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Authors
  1. B. M. Bronfin
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  2. M. I. Gol'dshtein
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  3. V. P. Shveikin
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Additional information

Ural Polytechnic Institute. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 11, pp. 31–34, November, 1986.

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Bronfin, B.M., Gol'dshtein, M.I. & Shveikin, V.P. Influence of cooling rate from the intercritical temperature range on strain hardening and aging of 05G2S2 steel. Met Sci Heat Treat 28, 816–819 (1986). https://doi.org/10.1007/BF00707094

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  • DOI: https://doi.org/10.1007/BF00707094

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