Conclusions
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1.
After forging in high-speed drop hammers the mechanical properties are equal to (steels 45 and 1Kh13) or exceed (steel Kh18N9T) those of the heat treated steels.
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2.
The properties obtained in drop forging are retained or improved by additional heat treatment.
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Literature cited
Handbook of Machinebuilding Materials [in Russian], Vol. 1, Mashgiz, Moscow (1959).
D. I. Berenov, Calculating the Strength of Parts [in Russian], Mashgiz, Moscow-Sverdlovsk (1959).
V. S. Ivanova and L. K. Gordienko, Izv. Akad. Nauk SSSR, Metallurgiya i Gornoe Delo, No. 1 (1964).
Additional information
Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 11, pp. 70–72, November, 1968.
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Sogrishin, Y.P., Zhuchenko, A.N. The quality of forgings manufactured with high-speed drop hammers. Met Sci Heat Treat 10, 921–923 (1968). https://doi.org/10.1007/BF00649228
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DOI: https://doi.org/10.1007/BF00649228