Development of the open-hearth furnaces heating system at "Ilyich Iron & Steel Works" PJSC - A. V. Sushchenko; A. S. Bezcherev; V. L. Prakhnin; I. N. Fentisov; O. A. Gavrikov; A. K. Kharin; N. L. Starikovskij (Metal and casting of Ukraine, 2012)