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Gas carburizing of steels R6M5 and R6M5K5

  • Tool Steels and Alloys
  • Published:
Metal Science and Heat Treatment Aims and scope

Conclusions

  1. 1.

    Mathematical models were obtained for the process of carburizing steels R6M5 and R6M5K5 in gas carburizer of the endothermal gas + natural gas type.

  2. 2.

    The optima parameters of gas carburizing were determined: a) for steel R6M5: 1150\dg, 7% CH4 in carturizer consisting of endothermal gas + natural gas, 4 h; b) for steel R6M5K5: 1150\dg, 3% CH4, 8 h.

    These conditions ensured 90% conformity of the structure.

  3. 3.

    For combined carburizing of both steels we recommend the following parameters: 1150\dg, 3% CH4, 6 h.

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Literature cited

  1. P. N. Ostrik and P. I. Solov'ev, “Experimental apparatus for determining the carburizing potential of the gaseous phase in the Fe−C−O−H system by the dynamic and circulation, methods,” in: New Methods of Investigating Processes of Restoring Ferrous Metals [in Russian], Nauka, Moscow (1974), p. 14.

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  2. P. N. Ostrik and S. T. Rostovtsev, “Thermodynamics of oxidation and carburization of metal in the Fe−C−O−H system,” in: Heat Treatment and Chemicothermal Treatment in Powder Metallurgy [in Russian], Naukova Dumka, Kiev (1969), p. 16.

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  3. M. A. Krishtal, Mechanism of Diffusion in Iron Alloys [in Russian], Metallurgiya, Moscow (1972).

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Authors
  1. I. A. Moskalenko
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  2. P. N. Ostrik
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  3. T. N. Kas'yanova
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  4. O. A. Krym
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  5. L. I. Ivanov
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Additional information

Zaporozh'e Branch of the Dnepropetrovsk Metallurgical Institute. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 11, pp. 34–36, November, 1976.

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Moskalenko, I.A., Ostrik, P.N., Kas'yanova, T.N. et al. Gas carburizing of steels R6M5 and R6M5K5. Met Sci Heat Treat 18, 961–963 (1976). https://doi.org/10.1007/BF00706905

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  • DOI: https://doi.org/10.1007/BF00706905

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