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Metallurgist
Published in: Metallurgist 7-8/2014

01-11-2014

Study of the Effect of Melting Rate on Electroslag Remelted Hollow Steel Billet Quality

Authors: L. Ya. Levkov, D. A. Shurygin, S. V. Orlov, Yu. N. Kriger, A. V. Lazukin, G. A. Dudka, A. S. Lesunov, A. S. Ronzhin

Published in: Metallurgist | Issue 7-8/2014

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Abstract

Electroslag melting (EMR) technology is promising, in particular for production of hollow billets used in the manufacture of critical high quality components for power generation with high added cost. A technology is developed at NPO TsNIITMASh for production of high quality pipe billets by the ESM method for thermal and nuclear power plant pipelines that are developed within Russia at the Energomash (Belgorod) – BZEM. One of the main factors of the technology is control of ingot the melting rate that affects ingot quality. The effect of melting rate on ESM billet quality is studied using computer and full-scale modeling, remelting parameters are analyzed, and metal microstructure and properties are determined. A method is provided for controlling metal solidification and structure.
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Literature
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M. Kubin et al., “Future trends in electroslag remelting technologies for the production of heavy forging ingots,” Proc. 1st Int. Conf. Casting, Rolling, and Forging (2012).
3.
Technical Specifications 1301-039-00212179–2010, Seamless Pipes of Carbon and Alloy Steels Manufactured by ESM Methods for Thermal and Atomic Power Station Pipelines.
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“Design of molds for electroslag remelting: Research in the field of industrial electrical heating,” RTM. Tr. VNIIETO, Energiya, Moscow (1984).
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V. V. Nazaratin, A. N. Romashkin, I. A. Ivanov, and I. A. Mal’ginov, “Procedure for designing forging ingots without axial shrinkage defects,” Metal. Mashinostr., No. 3, 40–52 (2010).
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V. S. Dub, A. N. Romashkin, I. A. Ivanov, et al., “Effect of ingot geometry on volume of axial porosity within it,” Elektrometallurgiya, No. 2, 36–39 (2013).
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A. V. Dub, V. S. Dub, L. Ya. Levkov, et al., “Multipurpose ESR furnace for contemporary power generation and heavy engineering,” Elektrometallurgiya, No. 9, 2–8 (2011).
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V. S. Dub, L. Ya. Levkov, D. A. Shurygin, et al., “Electroslag remelting – a method for fundamental improvement of the quality and properties of domestic objects in cont5emporary engineering. Technical requirements and new solutions,” Tyazh. Mashinostr., No. 6, 2–6 (2012).
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P. Machner and W. Holzgruber, “Das Elektroschlake Umschmelzen mit niederfrequentem Wechselstrom,” Vortag beim VII Electrowarmekongres, Warschau, Sept. 18–22, 1972, Sonderdruck Nr. 168.
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V. B. Gutkin, Study of Features of Electroslag Remelting by a Reduced Frequency Current with the Aim of Improving the Process and Equipment: Dissert. Cand. Tech. Sci., Moscow (1982).
Metadata
Title
Study of the Effect of Melting Rate on Electroslag Remelted Hollow Steel Billet Quality
Authors
L. Ya. Levkov
D. A. Shurygin
S. V. Orlov
Yu. N. Kriger
A. V. Lazukin
G. A. Dudka
A. S. Lesunov
A. S. Ronzhin
Publication date
01-11-2014
Publisher
Springer US
Published in
Metallurgist / Issue 7-8/2014
Print ISSN: 0026-0894
Electronic ISSN: 1573-8892
DOI
https://doi.org/10.1007/s11015-014-9976-1

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