Conclusions
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1.
In correcting the coarse-grained structure of cast hypereutectoid steels 100KhGMF and 150Kh2MF the recrystallization of austenite is the controlling process.
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2.
A heat treatment consisting of double normalization was developed for cast rolls of hypereutectoid steels used for hot rolling. For the first normalization we recommend a temperature at which austenite recrystallizes, and for the second normalization 850–880°C. Operating tests of rolls treated by this method have given positive results.
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Literature cited
A. A. Astaf'ev and I. A. Borisov, Metal. i Term. Obrabotka Metal., No. 1 (1968).
Additional information
TsNIITMASh. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 3, pp. 64–65, March, 1969.
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Astaf'ev, A.A., Potapova, M.S. & Borisov, I.A. Correcting the coarse-grained structure of cast hypereutectoid steels. Met Sci Heat Treat 11, 232–233 (1969). https://doi.org/10.1007/BF00658742
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DOI: https://doi.org/10.1007/BF00658742