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The ductility of steel Kh25N16G7A at low temperatures

  • Steel and Alloys for Cryogenic Technology
  • Published:
Metal Science and Heat Treatment Aims and scope

Conclusions

  1. 1.

    During tempering of quenched steel Kh25N16G7A a phase consisting of chromium carbide and nitride is precipitated. When the carbon content of the steel is increased from 0.07 to 0.11% the amount of phase precipitated increases approximately 25% due to the increase in the amount of the carbide component.

    It must be assumed that a carbonitride phase is precipitated even when the steel is not cooled sufficiently rapidly from the quenching temperature.

  2. 2.

    Steel Kh25N16G7A with 0.07% C has a satisfactory ductility down to \t-196\dgC after quenching and after tempering at 600–900\dgC.

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Literature cited

  1. E. A. Ul'yanin, Metal. i Term. Obrabotka Metal., No. 10 (1966).

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Authors
  1. I. A. Rastorgueva
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  2. B. V. Kuborskii
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Additional information

Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 3, pp. 6–8, March, 1969.

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Rastorgueva, I.A., Kuborskii, B.V. The ductility of steel Kh25N16G7A at low temperatures. Met Sci Heat Treat 11, 171–173 (1969). https://doi.org/10.1007/BF00658723

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  • DOI: https://doi.org/10.1007/BF00658723

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