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Heat treatment of ferritic-austenitic stainless steel

  • Stainless Steels
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Metal Science and Heat Treatment Aims and scope

Conclusions

  1. 1.

    Heating of deformed steel 1Kh21N5T at 650° for 10 h before quenching and tempering increases the impact strength. After the standard heat treatment the toughness of the steel is low.

  2. 2.

    Postdeformation heating at 650° leads to precipitation of dispersed particles in ferrite and their coalescence during prolonged heating. As the result, the largest particles are not completely dissolved during solutioning, and they serve as precipitation centers during subsequent tempering, which prevents precipitation in other sections. The relatively large size of the particles and the low density of particles (distribution) have a favorable effect on the impact strength of the steel.

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Literature cited

  1. A. P.Gulyaev, É. G. Fel'dgandler, and L. Ya. Savkina, "Embrittlement of ferritic-austenitic and ferritic stainless steels," Metal. i Term. Obrabotka Metal., 3, 41 (1965).

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  2. V. B. Spiridonov, Yu. A. Skakov, and V. N. Iordanskii, "Electron microscopic study of steel Kh21N5T," Metal. i. Term. Obrabotka Metal., 3, 47 (1965).

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  3. I. Ya. Sokol, "Investigation of processes in hardening and embrittlement of austenitic-ferritic stainless steels," Metal. i. Term. Obrabotka Metal., 10, 15 (1964).

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  4. K. K. Burnakov and I. A. Brazgin, "Embrittlement of steel 1Kh21N5T," Metal. i Term. Obrabotka Metal., 11, 25 (1968).

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Authors
  1. K. K. Burnakov
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  2. I. A. Brazgin
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Additional information

Kurgansk Machine-Construction Institute. Zlatoust Metallurgical Plant. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 12, pp. 21–23, December, 1973

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Burnakov, K.K., Brazgin, I.A. Heat treatment of ferritic-austenitic stainless steel. Met Sci Heat Treat 15, 1040–1042 (1973). https://doi.org/10.1007/BF00651742

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  • DOI: https://doi.org/10.1007/BF00651742

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