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Influence of vanadium on the strengthening of 0.4% C-4% Cr-18% Mn austenitic steel during aging

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Metal Science and Heat Treatment Aims and scope

Conclusions

  1. 1.

    The optimum content of vanadium in austenitic 0.4 C-4 Cr-18 Mn-V steel, guaranteeing the most desirable combination of strength and ductility characteristics upon aging, is 1.2–1.5%.

  2. 2.

    The primary mechanism of strengthening during the aging of this alloy is the precipitation of vanadium carbide, VC. The optimum aging temperature is 650°C.

  3. 3.

    The maximum level of strength attained upon aging rises with increasing quenching temperature from 1050 to 1175°C.

  4. 4.

    After quenching from 1100°C and after the optimum aging treatment at 650°C, the following properties are typically obtained: ultimate tensile strength, 100–110 kg/mm2; yield strength (0.2% offset), 75–80 kg/mm2; elongation, 35–45%; reduction in area, 40–50%.

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Literature cited

  1. V. G. Gorbach et al., in: Technology of Heavy Machine Building [in Russian], NIITyazhmash of the Uralmashzavod, Sverdlovsk (1961).

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  2. V. G. Gorbach et al., MiTOM, No. 1 (1964).

  3. M. N. Koslov et al., Zavod. Lab., No. 3 (1963).

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Authors
  1. A. N. Uvarov
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  2. K. A. Malyshev
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  3. V. A. Mirmel'shtein
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  4. P. A. Ustyugov
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Additional information

Institute of Physics of Metals, Academy of Sciences, USSR. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 6, pp. 60–62, June, 1971.

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Uvarov, A.N., Malyshev, K.A., Mirmel'shtein, V.A. et al. Influence of vanadium on the strengthening of 0.4% C-4% Cr-18% Mn austenitic steel during aging. Met Sci Heat Treat 13, 510–512 (1971). https://doi.org/10.1007/BF00656954

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  • DOI: https://doi.org/10.1007/BF00656954

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