The present invention relates to a thin film strip formed of molten steel, a method for manufacturing the thin strip, a cooling drum for a strip casting machine, a cooling drum for a strip casting machine,

摘要

According to the present invention, when the distance from the edge toward the center of the thin strip at the close position of the cooling drum is within 50 mm, the solidification portion at the center of the thickness of the thin strip is higher than the fluid critical solidification portion Providing a twin drum continuous casting process for casting a thin cast strip by solidifying continuously supplied molten steel between a pair of cooling drums positioned parallel to each other, wherein the cooling drum is given to an added degree of concave crowns do.