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Structure and properties of high-nitrogen corrosion-resistant austenitic steels

  • Stainless Steels
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Metal Science and Heat Treatment Aims and scope

Conclusions

  1. 1.

    Alloying of austenitic stainless steels with as much as 0.8% N makes it possible to raise the ultimate strength to 100 kgf/mm2 and the yield strength to 70 kgf/mm2.

  2. 2.

    With slow cooling from 1250° the structure of these steels is of the itrogenous pearlite type.

  3. 3.

    High-nitrogen austenitic Cr-Ni stainless steels and Cr-Ni-Mn steels are not susceptible to ICC after quenching (tests by the AM method, GOST 6032-58). Sensitizing of the steel with >0.54% N induces susceptibility to ICC.

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Literature cited

  1. V. I. Lakomskii and G. F. Torkhov, "Alloying stainless steels with nitrogen from plasma," in: Problems of Special Electrometallurgy [in Russian], VINITI, Kiev-Moscow (1971), p. 75.

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  2. G. Gryuttsner and G. Shyuller, "Development of corrosion-resistant steels with a high nitrogen content", Chern. Met., No. 9, 12 (1967).

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  3. A. V. Sherevera, G. M. Grigorenko, and V. I. Lakomskii, "Differential analysis of nitrogen in highnitrogen steels", in: Refining Remelting [in Russian], Naukova Dumka, Kiev (1974), p. 246.

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  4. Yunochin Imai and Tsuyoshi Masunioto, Science Reports, Research Institute Tohoku University,119, No. 1, 21 (1967).

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  5. M. V. Pridantsev, N. P. Talov, and F. L. Levin, High-Strength Austenitic Steels [in Russian], Metallurgiya, Moscow (1969).

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Authors
  1. G. F. Torkhov
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  2. V. A. Slyshankova
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  3. E. A. Ul'yanin
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  4. A. V. Sherevera
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Additional information

E. O. Paton Isntitute of Electric Welding. I. P. Bardin Central Scientific-Research Institute of Ferrous Metallurgy. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 11, pp. 8–11, November, 1978.

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Torkhov, G.F., Slyshankova, V.A., Ul'yanin, E.A. et al. Structure and properties of high-nitrogen corrosion-resistant austenitic steels. Met Sci Heat Treat 20, 887–890 (1978). https://doi.org/10.1007/BF00713747

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  • DOI: https://doi.org/10.1007/BF00713747

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