СПОСОБ ИЗГОТОВЛЕНИЯ СТАЛЬНОЙ ПОЛОСЫ И ТОНКАЯ СТАЛЬНАЯПОЛОСА, ПОЛУЧЕННАЯ ЭТИМ СПОСОБОМ

摘要

A method of producing strip comprising the steps of assembling a pair of casting rolls with a nip between them, introducing between the casting rolls to form a casting pool of molten carbon steel having a total oxygen content of at least 100 ppm and usually less than 250 ppm, counter rotating the casting rolls, solidifying the molten steel on the rolls to form metal shells with levels of oxide inclusions reflected by the total oxygen content of the molten steel, and forming thin steel strip through the nip between the casting rolls from the solidified shells. A unique steel strip may be obtained using the method having ductile properties.