Abstract
This paper presents the results of the work carried out by the Department for Metal Working Processes at NUST for production technology of: high-strength automotive flat stock from bi-phase ferrite martensite steels (BPHFMS) on a broad-strip hot-rolling mill by staged laminar cooling on a runoff table, as well as K52–56 strength grade cold- and corrosion-resistant tubular strip bar. The metal’s ferrite grains rolled on the broad-strip mill are ground by combining the controlled rolling (CR) of strips with their rapid cooling (RCL). Thermal kinetic diagrams (TKDs) were created to show modeling sheet cooling, as well as to predict the resulting structure type depending on the metal cooling rate.
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ACKNOWLEDGMENTS
This work was written featuring Ye.P. Sidorova from NUST MISiS and D.A. Kiselev from PJSC Severstal.
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Translated by S. Kuznetsov
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Ionov, S.M., Tatary, A.S., Potemkin, V.K. et al. The Improvement and Development of Hot-Rolled Strip Bar Production Technology at NUST MISiS. Steel Transl. 49, 879–884 (2019). https://doi.org/10.3103/S0967091219120040
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DOI: https://doi.org/10.3103/S0967091219120040