Electrometallurgy Today, 2024, №03



2024 №03 (05)

DOI of Article 10.37434/sem2024.03.06

2024 №03 (07)

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Electrometallurgy Today (Sovremennaya Elektrometallurgiya), 2024, #3, 45-52 pages

Nitrogen dissolution in austenitic steel 10Kh14AG15 at levitation melting

V.O. Shapovalov¹, V.G. Mogylatenko², R.V. Ljutyy², R.V. Kozin¹

¹E.O. Paton Electric Welding Institute of the NAS of Ukraine 11 Kazymyr Malevych Str., 03150, Kyiv, Ukraine. E-mail: shapovalov@paton.kiev.ua
²National Technical University of Ukraine «Igor Sikorsky Kyiv Polytechnic Institute». 37 Prospect Beresteiskyi, 03056, Kyiv, Ukraine. E-mail: vmogilatenko@gmail.com

Abstract
The paper presents a comparison of different methods of calculation of nitrogen solubility in steel 10Kh14AG15. A comparison of Wagner, Chimpan, and Corrigan methods, calculations by V.I. Lakomsky with co-authors, analytical and experimental material of J. Pitkala with co-authors, etc, was made. Obtained calculation data of nitrogen solubility in steel 10Kh14AG15 in the temperature range of 1873…2300 K showed the smallest discrepancy between Chimpan and Corrigan and V.I. Lakomsky methods and the smallest discrepancy of experimentally determined nitrogen solubility in steel 10Kh14AG15 at 1923 K with the data derived by V.I. Lakomsky at PWI. At technological calculations for melting steel 10Kh14AG15 it is recommended to maintain the pressure of 0.3…0.7 atm in the system. 21 Ref., 5 Tabl., 3 Fig.
Keywords: nitrogen-containing steels, chromium-manganese steels, nitrogen, solubility calculation, nitrogen solubility

Received: 22.03.2024
Received in revised form: 17.07.2024
Accepted: 09.09.2024

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