Common factors of changes in slag composition and sulfur content in cast iron in the technological chain blast furnace - cast iron desulfurization complex - converter - A. P. Shevchenko; V. H. Kysliakov; B. V. Dvoskin; I. O. Manachyn; S. A. Shevchenko; D. S. Zotov (Fundamental and applied problems of ferrous metallurgy, 2022)