| 摘要 |
PROBLEM TO BE SOLVED: To provide a continuous casting method having the peculiarity, in which the bulging is eliminating by forming a cast billet cross sectional shape as a circle in a bending type continuous casting method and a cast billet drawn- out locus is composed of a circular arc part having a fixed curving ratio and a straight line part, and a structure for supporting and guiding, is not provided at the intermediate part by supporting and guiding the cast slab with a mold at the upstream side and with pinch rolls on the downstream side of the circular arc part, and in the case of generating a breakout, the flowing-out molten steel is not welded between the cast billet and the fixed structure in the caster by setting spray nozzles at the distant place. SOLUTION: Even in the case of generating the breakout, after once stopping the drawing-out, the opened part of the breakout is welded and closed with the casting stream, and the casting is immediately returned back to the ordinary casting. Therefore, the damage caused by breakout is minimized and the high rate casting can easily be executed because of the minimum damage.
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