Structure and Properties of Tempered Steel 40H3N5M3F Obtained by Electroslag Remelting at High Temperatures

Issues » Volume 37, Issue 12

K. O. Gogaev, O. M. Sydorchuk, O. K. Radchenko, M. V. Karpets, S. G. Piatachuk

I. M. Frantsevich Institute for Problems in Materials Science, NAS of Ukraine, 3 Academician Krzhyzhanovsky Str., UA-03142 Kyiv, Ukraine

Received: 29.09.2015. Download: PDF

As shown, the structure of tempered steel 40H3N5M3F changes under heating from room temperature to operating temperature (800°С), namely, martensitic structure transforms to austenitic one. Dependence of the austenite amount on temperature is close to exponential. As confirmed, at operating temperatures (750—800°С), the investigated steel has austenitic structure with a small amount of carbide component (1.55—1.68%).

Key words: steel, heat treatment, structure, hardness.

URL: http://mfint.imp.kiev.ua/en/abstract/v37/i12/1653.html

DOI: https://doi.org/10.15407/mfint.37.12.1653

PACS: 61.66.Dk, 62.20.Qp, 64.70.kd, 81.30.Kf, 81.40.Ef, 81.40.Gh

Citation: K. O. Gogaev, O. M. Sydorchuk, O. K. Radchenko, M. V. Karpets, and S. G. Piatachuk, Structure and Properties of Tempered Steel 40H3N5M3F Obtained by Electroslag Remelting at High Temperatures, Metallofiz. Noveishie Tekhnol., 37, No. 12: 1653—1661 (2015) (in Ukrainian)

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