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Heat treatment for prevention of corrosion cracking in austenitic steels

  • Steels and Alloys for the Chemical Industry
  • Published:
Metal Science and Heat Treatment Aims and scope

Conclusions

  1. 1.

    Samples of Kh18N9T, Kh18N12M2T, and Kh18N12M3T steels having residual tensile stresses after different technological operations are susceptible to transcrystalline corrosion cracking in media containing chlorine. They are also susceptible in a concentrated solution of sodium hydroxide at 200°C.

  2. 2.

    Stabilizing annealing at 900–920°C for 1–2 h and cooling in air prevent corrosion cracking in boiling 42% MgCl2 solution and a concentrated sodium hydroxide solution at 200°C.

  3. 3.

    Kh18N9T, Kh18N12M2T, and Kh18N12M3T steels cannot be used in media containing calcium and potassium chlorides and also potassium chlorate.

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Literature Cited

  1. G. A. Nikolaev, Welded Structures [in Russian], Moscow, Mashgiz (1955).

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  2. G. A. Nikolaev and N. N. Prokhorov, Stresses During Welding [in Russian], Izd. AN SSSR (1948).

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Authors
  1. A. P. Akshentseva
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  2. G. L. Shvarts
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  3. A. N. Krutikov
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Additional information

Scientific Research Institute of Chemical Machine Construction Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 10, pp. 44–49, October, 1964

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Akshentseva, A.P., Shvarts, G.L. & Krutikov, A.N. Heat treatment for prevention of corrosion cracking in austenitic steels. Met Sci Heat Treat 6, 626–629 (1964). https://doi.org/10.1007/BF00648704

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  • DOI: https://doi.org/10.1007/BF00648704

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