Conclusion
Quenching of 7KhG2VM dies in air from 860°C produces minimal distortion and substantially increases the durability.
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Literature cited
E. Houdremont, Special Steels [Russian translation], Metallurgizdat, Moscow (1960).
Yu. A. Geller, Vestnik Mashinostroeniya, No. 7 (1963).
Additional information
Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 2, pp. 62–63, February, 1968.
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Kamenichyi, I.S., Fedoseev, S.M. Heat treatment and durability of punching dies. Met Sci Heat Treat 10, 146 (1968). https://doi.org/10.1007/BF00657761
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DOI: https://doi.org/10.1007/BF00657761