Conclusions
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1.
Kh6F1 steel belongs to the carbide class. After quenching in air the Fe3C, M7C3, and VC carbides are present in the steel.
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2.
The stability of austenite in Kh6F1 steel increases sharply at an austenitizing temperature above 1050°C. The amount of residual austenite after the martensitic transformation also increases sharply with austenitizing temperatures above 1050°C.
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3.
The maximum hardness of HRC 63 is attained after quenching from 1050°C and cooling to the temperature of liquid nitrogen.
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Literature cited
P. S. Plekhanov et al., Rolling of Two-Layer L53-Kh6F1 Ingots in a Blooming Mill, Transactions of the Central Scientific Research Institute of Ferrous Metals [in Russian], No. 42, Metallurgiya, Moscow (1965).
S. A. Golovanenko et al., Deformation of Layers in Semi-Finished Two-Layer Steel, Transactions of the Central Scientific Research Institute of Ferrous Metals [in Russian], No. 42, Metallurgiya, Moscow (1965).
E. Houdremont, Special Steels [Russian translation], Vol. 1, Metallurgizdat, Moscow (1959).
Tools Steels. Handbook, A. P. Gulyaev, ed. [in Russian], Mashgiz, Moscow (1961).
Ya. R. Rauzin, Heat Treatment of Chrome Steels [in Russian], Mashgiz, Moscow (1963).
Additional information
TsNIIChERMET. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 9, pp. 43–45, September, 1967.
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Golovanenko, S.A., Maslenkov, S.B. & Konnova, I.Y. Structure and properties of Kh6F1 steel. Met Sci Heat Treat 9, 684–686 (1967). https://doi.org/10.1007/BF00649053
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DOI: https://doi.org/10.1007/BF00649053