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Heat treatment of thread-cutting dies

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  1. 1.

    Stepped quenching, used in mass production of thread-cutting dies, is not the best heat treatment due to substantial distortion.

  2. 2.

    The quality of thread-cutting dies made of steel 9KhS is improved by isothermal quenching — there is less distortion and the durability increases.

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Literature cited

  1. 1.

    Yu. A. Geller, in: Modern Methods of Heat Treating Steels [in Russian], Mashgiz, Moscow (1954).

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Additional information

Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 9, p. 47, September, 1970.

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Savinovskii, G.K. Heat treatment of thread-cutting dies. Met Sci Heat Treat 12, 766–767 (1970).

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  • Heat Treatment
  • Mass Production
  • Good Heat
  • Durability Increase
  • Substantial Distortion