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Metallurgist
Published in: Metallurgist 5-6/2012

01-09-2012

Development of economically alloyed structural steel of strength classes 345 and 390

Authors: I. F. Pemov, Yu. D. Morozov, A. A. Naumenko, D. V. Nizhelsky

Published in: Metallurgist | Issue 5-6/2012

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Abstract

Structural steels used in the production of welded metal structures in contemporary domestic and overseas practice are analyzed. Common tendencies and differences from strength classes used most frequently are revealed in steel alloy systems used in the production of thick rolled sheet. Simulation of normalizing and thermomechanical rolling, and also normalizing for steel of the alloy system C–Mn–Si–Nb, is performed under laboratory conditions. The possibility is demonstrated of preparing rolled product of strength class 390 with an increased level of brittle failure resistance from economically alloyed steel using thermomechanical (normalizing) rolling technology.
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Footnotes
1
Domestic steels of strength classes 345 and 390 are based on the C–Mn–Si composition with additional economical alloying with chromium, nickel, and microalloying with niobium, controlled by technical specifications TU 14-1-5120-2008 (steels 15KhSNDA and 10KhSNDA), and they are used widely in bridge building.
 
Literature
1.
L. I. Gladshtein and D. A. Litvinenko, High-Strength Structural Steel [in Russian], Metallurgiya, Moscow (1972).
2.
O. B. Isaev, V. V. Emelyanov, V. V. Kislitsa, et al., “Effect of carbon content in low-alloys steels on the surface quality of continuously cast billet and rolled sheet,” Metallurg, No. 5, 35–37 (2004).
3.
I. F. Pemov, Yu. D. Morozov, G. N. Mulko, et al., “Improvement of the grade range of steel for bridge building,” Metallurg, No. 2, 47–49 (2000).
4.
I. F. Pemov, Yu. D. Morozov, A. M. Stepashin, et al., “New generation of bridge steels based on naturally alloyed ores of the Khalilovskoye deposit,” Metallurg, No. 9, 36–39 (2004).
5.
I. F. Pemov, Yu. D. Morozov, A. M. Stepashin, et al., “Development of a new generation microalloyed steels for bridge building,” Stal, No. 7, 103–107 (2005).
6.
F. I. Kochin and V. L. Pilyushenko, “Comparative study of steels 15 GB and 15GAF after normalizing and improvement,” MiTOM, No. 12, 37–43 (1988).
7.
F. Khaisterkamp, K. Hulka,Yu. I. Matrosov, et al., Niobium-Containing Low-Carbon Steels [in Russian], SP Intermet Engineering, Moscow (1999).
8.
L. I. Efron, “Structure and mechanical property formation for structural materials during thermomechanical treatment in the line of a rolling mill,” Stal, No. 8, 57–64 (1995).
Metadata
Title
Development of economically alloyed structural steel of strength classes 345 and 390
Authors
I. F. Pemov
Yu. D. Morozov
A. A. Naumenko
D. V. Nizhelsky
Publication date
01-09-2012
Publisher
Springer US
Published in
Metallurgist / Issue 5-6/2012
Print ISSN: 0026-0894
Electronic ISSN: 1573-8892
DOI
https://doi.org/10.1007/s11015-012-9585-9

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