Changes of mechanical properties of hot rolled steel as a result of a reducing of rigidity of the rolling stands

G. Urapov, Sergey Nikolaevich Lezhnev, E. Rlova, Irina Evgenevna Volokitina, A. Bedelova, Evgeniy Panin

2015

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DOI 10.2991/isrme-15.2015.431

Data confidence 70 medium

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Abstract

This article is devoted of changes of mechanical properties of hot rolled steel as a result of a reducing of rigidity of the rolling stands.From the analysis of studies of hot rolled steel statistically it is shown that as a result of reconstruction the change of stiffness of working stands of rolling mill has led to an increase in the tensile strength and yield strength and lower limit plasticity laminated metal.Therefore, the change in the stiffness of deforming device and tool causes a change in the properties.