Conclusion
Forgings of steel 60KhN with a section as large as 800 mm can be heated to 1230° for final forging regardless of the subsequent forging reduction ratio. The heat treatment generally used, accompanied by the α→γ transformation, produces grain refining and mechanical properties that meet the specifications.
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Literature cited
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Additional information
S. M. Kirov Ural Polytechnic Institute. South Ural Machine Construction Factory. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 12, pp. 45–47, December, 1979.
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Chernikhova, I.Y., Trubin, V.N., Tepikin, Y.S. et al. Formation of fine-grained structure in forgings of steel 60KhN. Met Sci Heat Treat 21, 948–951 (1979). https://doi.org/10.1007/BF00706637
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DOI: https://doi.org/10.1007/BF00706637