Effect of Structure Factor on High-Temperature Ductility of Pipe Steels


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Abstract

Effects of various factors such as the grain size, the morphology of nonmetallic inclusions, and joint microalloying with boron and titanium on the high-temperature ductility of pipe steels are studied. Physical modeling of the conditions of cooling of the skin of a continuous-cast preform in the zone of secondary cooling in a Gleeble facility is performed. Technical recommendations are given for raising the hot ductility of steels under industrial conditions.

About the authors

N. G. Kolbasnikov

Peter the Great St. Petersburg Polytechnic University

Email: matveevma@inbox.ru
Russian Federation, St. Petersburg

M. A. Matveev

Peter the Great St. Petersburg Polytechnic University

Author for correspondence.
Email: matveevma@inbox.ru
Russian Federation, St. Petersburg

P. A. Mishnev

Severstal Company

Email: matveevma@inbox.ru
Russian Federation, Cherepovets

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