| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a nozzle for continuous casting capable of maintaining corrosion resistance of a slag line part even when a blending amount of zirconia is reduced to have an inexpensive refractory material for replacement. <P>SOLUTION: In the nozzle 1 for continuous casting, the slag line part 5 is constituted by the refractory material containing 5-25 wt.% of graphite, 45-90 wt.% of zirconia, and 5-30 wt.% of alumina and/or spinel, wherein alumina and/or spinel of 75 μm or less is prepared in a range not exceeding 15 wt.%. <P>COPYRIGHT: (C)2013,JPO&INPIT |
