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Tendency to thermal brittleness of the 10KhSND steel

  • Structural Steels
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Metal Science and Heat Treatment Aims and scope

Conclusions

  1. 1.

    The 10KhSND steel with ferrite-pearlite structure shows a tendency to thermal brittleness within the temperature range 300–550°C. The maximum degree of thermal brittleness corresponds to 400°C.

  2. 2.

    The degree of thermal embrittlement of the 10KhSND steel with ferrite-pearlite structure is smaller by a half than that of a steel with tempering sorbite structure.

  3. 3.

    The development of thermal brittleness in the 10KhSND steel with ferrite-pearlite structure and with tempering sorbite structure is accompanied by increase of the percentage of intergranular fracture in the zones of brittle fracture while the austenitization temperature in the range 920–1175°C has no effect on the character of interconnection of the semibrittleness temperature T50 with the percentage of intergranular fracture.

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Literature cited

  1. V. I. Bogdanov, L. I. Gladshtein, V. M. Goritskii, and G. R. Shneiderov, "Effect of phosphorus, vanadium, and molybdenum on the tendency to embrittlement of thermally improved steel 10KhSND," Metalloved. Term. Obrab. Met., No. 9, 16–19 (1979).

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  5. V. M. Goritskii and G. R. Shneiderov, "Tendency to thermal brittleness of low-carbon steel St3sp and low-alloy steels 14G2 and 15KhSND with increased arsenic content," Metalloved. Term. Obrab. Met., No. 11, 29–32 (1984).

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Authors
  1. V. M. Goritskii
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  2. G. R. Shneiderov
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Additional information

All-Union Central Scientific-Research Institute Proektstal'konstruktsiya. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 2, February 1987, pp. 15–17.

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Goritskii, V.M., Shneiderov, G.R. Tendency to thermal brittleness of the 10KhSND steel. Met Sci Heat Treat 29, 105–108 (1987). https://doi.org/10.1007/BF00667517

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