Conclusions
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1.
In alloying of cast irons with chromium alone it is impossible to obtain a high hardenability providing a martensitic-austenitic structure in hardening of castings more than 30 mm thick.
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2.
To provide high hardenability chromium irons must be alloyed with elements increasing the stability of austenite, such as manganese.
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Literature cited
M. E. Garber, E. V. Rozhkova, and I. I. Tsypin, "The influence of carbon, chromium, silicon, and manganese on the hardenability and wear resistance of white cast irons," Metalloved. Term. Obrab. Met., No. 5, 11–14 (1969).
E. V. Rozhkova, M. E. Garber, and I. I. Tsypin, "The influence of manganese on the austenite transformation of white chromium irons," Metalloved. Term. Obrab. Met., No. 1, 48–52 (1981).
É. Gudremon, Special Steels [Russian translation], Vol. 1, Metallurgizdat, Moscow (1959), pp. 686–696.
Additional information
All-Union Scientific-Research and Design Technology Institute for Coal Machinery Building. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 7, pp. 16–18, July, 1985.