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Metallurgist
Published in: Metallurgist 3-4/2019

18-07-2019

Improvement of Heat-Treatment Conditions for Square-Cross-Section Steel Billets Downstream of a Continuous-Section Billet Casting Machine

Authors: S. V. Lukin, K. Yu. Levashev

Published in: Metallurgist | Issue 3-4/2019

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Abstract

Square steel billets (with cross sections 100 × 100 mm and 150 × 150 mm) cast on a continuous-bar-casting machine (CBCM) have a mass-averaged temperature of 1000–1100°C after gas cutting, resulting in considerable interest in storing the sensible heat from the billets in a thermostat for subsequent use in the reheating furnace. We describe a mathematical model of the thermal conditions in the square steel billet during solidification in a CBCM and cooling in air when contained in a thermostat and when heated in a furnace. We also describe theoretical results for the temperature field in the billet along the CBCM–thermostat–reheating furnace process train under several reasonable post-continuous-billet-casting-machine (CCM) heat treatment scenarios.
previous article Influence of “Soft” Reduction on the Structure of Continuous Cast Ingot and the Properties of Rolled Products of Microalloyed Steels
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Literature
1.
S. V. Lukin and A. N. Kibardin, “Optimal use of physical heat in slabs issuing from CCM,” Metallurgist, 60, No. 7–8, 679–685 (2016); English translation: Metallurg., No. 7, 38–43 (2016).
2.
Yu. A. Samoilovich, S. L. Krulevetskii, and Z. K. Kabakov, Thermal Processes in the Continuous Casting of Steel [in Russian], Metallurgiya, Moscow (1982).
3.
A. I. Tsaplin, Thermal Physics of External Effects on Crystallization of Steel Ingots in Continuous Casting Machines [in Russian], Izd. UrO RAN (1995).
4.
S. V. Lukin, V. V. Mukhin, E. B. Osipov, G. N. Shestakov, and E. G. Polushin, “Heat transfer of ingot with mold of continuous barcasting machine,” Steel in Translation 38, No. 5, 366–369 (2008); English translation: Izv. Vyssh. Uchebn. Zaved., Chern. Metall., No. 5, 31–35 (2008).
5.
S. V. Lukin, V. V. Plashenkov, M. A. Obraztsov, S. A. Zimin, and A. P. Shalkin, “Heat transfer in secondary cooling zone of continuous bar-casting machine,” Izv. Vyssh. Uchebn. Zaved., Chern. Metall., No. 1, 47–51 (2009).
6.
S. V. Lukin, K. Yu. Levashev, and A. A. Zbrodov, “Mathematical modeling of thermal conditions of square cross section steel bar in continuous bar-casting machine and in a thermostat,” Vestn. Cherepovetskogo Gos. Univ., No. 3, 37–45 (2018).
7.
S. V. Lukin, “Heating regime and thermostatic control of slabs during hot loading,” Metallurgist, 62, Issue 7–8, 674–680 (2018).
8.
E. I. Kazantsev, Industrial Furnaces [in Russian], Mir, Moscow (1977) [Metallurgia, Moscow (1975)].
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V. A. Krivandin, V. A. Arutyunov, B. S. Mastryukov, et al., Metallurgical Thermal Engineering [in Russian], Vol. 1, Metallurgiya, Moscow (1986).
10.
A. K. Sokolov, Enhancement and Optimization of Metal Heating in Gas Furnaces via Mathematical Simulation [in Russian], Ivanovsk. Gos. Energet. Univ., Ivanovo (2012).
Metadata
Title
Improvement of Heat-Treatment Conditions for Square-Cross-Section Steel Billets Downstream of a Continuous-Section Billet Casting Machine
Authors
S. V. Lukin
K. Yu. Levashev
Publication date
18-07-2019
Publisher
Springer US
Published in
Metallurgist / Issue 3-4/2019
Print ISSN: 0026-0894
Electronic ISSN: 1573-8892
DOI
https://doi.org/10.1007/s11015-019-00818-7

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