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Properties and use of structural boron-containing steel 27KhGR

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Metal Science and Heat Treatment Aims and scope

Conclusions

  1. 1.

    Carburized chromium-manganese steel alloyed with boron (27KhGR) has high strength characteristics and can be recommended as a replacement for nickel-containing steels in manufacturing critical machine parts.

  2. 2.

    The following heat and chemicothermal treatments are recommended for steel 27KhGR: a) normalizing of forgings at 900°C after drop forging; b) carburizing; c) oil quenching from 850–870°C; d) tempering at 170–200°C.

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Literature cited

  1. A. M. Tarasov, Stal', No. 1 (1961).

  2. A. M. Tarasov et al., Metal. i Term. Obrabotka Metal., No. 12 (1961).

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Authors
  1. M. R. Semenchenko
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  2. Z. I. Gur'eva
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Additional information

Gor'kii Automobile Plant. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 9, pp. 75–77, September, 1969.

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Semenchenko, M.R., Gur'eva, Z.I. Properties and use of structural boron-containing steel 27KhGR. Met Sci Heat Treat 11, 741–743 (1969). https://doi.org/10.1007/BF00653175

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  • DOI: https://doi.org/10.1007/BF00653175

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