| 摘要 |
PROBLEM TO BE SOLVED: To provide a continuous casting method capable of adding a proper amount of a metal element, which is low in melting point or low in boiling point, into a molten metal and uniformly and stably dispersing the metal element in a cast billet, and to provide an immersion lance for continuous casting. SOLUTION: (1) In the continuous casting method and the immersion lance for casting, the metal element is added into the molten metal by inserting a wire or a rod containing the metal element in an immersion lance immersed in the molten metal in a tundish or a mold, and a cooling device for cooling the wire or the rod is arranged in a range from an upper position inside the immersion lance upwardly through an upper end of the immersion lance or a range from the upper end of the immersion lance upwardly, and the metal element is added into the molten metal together with an inert gas. (2) In the continuous casting method in (1) above, the molten metal is a molten steel, and the wire or the rod contains at least one metal element such as Mg, Bi, Ca, Te, Pb, MN and Yb. COPYRIGHT: (C)2008,JPO&INPIT
|
