Conclusions
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1.
According to metallographic, microprobe, and x-ray analyses and microhardness measurements, steel 11Kh18M contains two types of carbides: (Fe, Cr)7C3 and Cr3C2.
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2.
Changes in the composition and shape of eutectic carbides occur in the temperature range of 1180–1220°.
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3.
Stepped homogenization of ingots ensures spheroidization of eutectic carbides and promotes even distribution of carbides in the deformed steel.
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Literature cited
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Additional information
Ukrainian Scientific-Research Institute of Special Steels, Alloys, and Ferroalloys. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 9, pp. 68–70, September, 1978.
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Malinovskaya, T.I., Glaskova, G.V. & Khvalin, A.P. Change in the composition of eutectic carbides during heating of steel 11Kh18M. Met Sci Heat Treat 20, 767–770 (1978). https://doi.org/10.1007/BF00703765
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DOI: https://doi.org/10.1007/BF00703765