Justification of the Production Technology Efficiency for High-Strength, Low-Alloy Steels with Improved Properties and Quality at Low Cost. Part 3. Production of Rolled Products from Transitional Slabs

We study metal samples taken from two batches of hot-rolled, semi-finished steel products and two batches of grade HC340LA cold-rolled steel, annealed in bell-type furnaces, produced from transitional slabs obtained by continuous casting of the developed high-strength, low-alloy, microalloyed, auto-...

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Bibliographic Details
Published in:Metallurgist (New York) 2023-07, Vol.67 (3-4), p.411-424
Main Authors: Zaitsev, A. I., Dagman, A. I., Koldaev, A. V., Stepanov, A. B., Kovalev, D. A.
Format: Article
Language:English
Subjects:
Alloys
Annealing furnaces
Bells
Characterization and Evaluation of Materials
Chemistry and Materials Science
Cold rolling
Cold-rolled steel
Continuous casting
Continuous furnaces
Founding
Furnaces
High strength low alloy steels
Hot rolling
Hot-rolled steel
Materials Science
Metallic Materials
Microalloying
Niobium
Slab casting
Specialty metals industry
Strip steel
Titanium
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Summary:We study metal samples taken from two batches of hot-rolled, semi-finished steel products and two batches of grade HC340LA cold-rolled steel, annealed in bell-type furnaces, produced from transitional slabs obtained by continuous casting of the developed high-strength, low-alloy, microalloyed, auto-sheet steel microalloyed with titanium (Ti) onto steel microalloyed with niobium (Nb). Based on the results obtained, for the first time, the possibility of continuous casting of the developed high-strength, low-alloy, auto-sheet steel microalloyed with Ti onto steel microalloyed with Nb is established. It is revealed that both grade S420MS hot-rolled steel according to EN 10149 and grade HC340LA cold-rolled steel, annealed in bell-type furnaces, can be simultaneously produced from transitional slabs while meeting EN 10268 requirements with reduced costs.
ISSN:0026-0894
1573-8892
DOI:10.1007/s11015-023-01528-x