Conclusions
-
1.
To improve the fracture toughness it is recommended that the quenching temperature of steel 20Kh13 be lowered from 1000–1050 to 950–975°.
-
2.
Parts of steel 20Kh13 should not be tempered at 600–650° in order to obtain the necessary structural strength, since the percentage of brittle components in the fracture is highest at this tempering temperature.
-
3.
Lowering the requirements for the strength properties of quenched and tempered steel 20Kh13 to σ0.2 ⩾ 55 kgf/mm2 and σb ⩾ 75 kgf/mm2 makes it possible to raise the tempering temperature to 650–700° and ensure higher fracture toughness (a 1 ⩾ 8 kgf−m/cm2) and reliability of machine parts.
Similar content being viewed by others
Literature cited
L. M. Utevskii, Temper Brittleness of Steel [in Russian], Metallurgizdat, Moscow (1961), p. 191.
G. M. Petrov and V. V. Tsukanov, "Temper brittleness of complex alloy structural steels," Metalloved. Term. Obrab. Met., No. 4, 17 (1977).
E. Houdremont, Special Steels [Russian translation], Vol. 1, Metallurgiya, Moscow (1966), p. 736.
V. M. Doronin, Heat Treatment of Carbon and Alloy Steels [in Russian], Metallurgizdat, Moscow (1955), p. 395.
V. S. Mes'kin, Fundamentals of Alloying Steel [in Russian], Metallurgiya, Moscow (1964). p. 684.
A. A. Babakov and M. V. Pridantsev, Corrosion Resistant Steels and Alloys [in Russian], Metallurgiya, Moscow (1971), p. 319.
F. F. Khimushin, Stainless Steels [in Russian], Metallurgizdat, Moscow (1963), p. 600.
Additional information
Serp i Molot Moscow Metallurgical Factory. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 6, pp. 39–41, June, 1980.
Rights and permissions
About this article
Cite this article
Sokol, I.Y., Kapustina, E.P. & Korneev, G.N. Effect of heat treatment on the structure and properties of quenched and tempered steel 20Kh13. Met Sci Heat Treat 22, 429–432 (1980). https://doi.org/10.1007/BF00693649
Issue Date:
DOI: https://doi.org/10.1007/BF00693649