Conclusions
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1.
Cast iron 300Kh13G3M with a martensite matrix and M7C3 chromium carbides is more durable than Ni-Hard under abrasive wear conditions.
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2.
Obtaining a martensitic structure by adding manganese in an amount permitting quenching in air makes it possible to surmount the technological difficulties in casting and machining.
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3.
In its wear resistance, casting properties, and machinability, cast iron 300Kh13G3M is superior to Ni-Hard. In addition, it does not contain scarce nickel.
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Literature Cited
M. M. Tennenbaum, Wear Resistance of Structural Materials and Machine Parts [in Russian], Mashinostroenie, Moscow (1966).
I. R. Kryanin, Metal. i Term. Obrabotka Metal., No. 12 (1956).
Trudy VNIIPTUGLEMASh, No. 11, Izd. Nedra (1966).
Additional information
Central Scientific-Research Institute of Technology and Mechanical Engineering. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 12, pp. 49–52, December, 1969.