Method for horizontal type continuous casting

Details Method for horizontal type continuous casting Method for horizontal type continuous casting

B - Operations, Transporting

22

D

22/167

B22D 11/20 (2006.01)

Patent

CA 1188074

METHOD FOR HORIZONTAL TYPE CONTINUOUS CASTING ABSTRACT OF THE DISCLOSURE A method for horizontal type continuous casting, which comprises: withdrawing a cast strand from a mold provided horizontally at the lower part of a tundish at a prescribed withdrawing speed for a prescribed period of withdrawing time; then, pushing back said cast strand for a prescribed period of pushback time in the direction opposite to the direction of withdrawal; and, withdrawing said cast strand again from said mold at said prescribed withdrawing speed for said prescribed period of withdrawing time; repeating said withdrawal and said pushing back, the distance of said withdrawal being longer than that of said pushing back; thereby intermittently withdrawing said cast strand from said mold; said method being characterized by comprising: limiting said prescribed withdrawing speed within the range of from 1.0 to 10.0 m/minute; limiting said prescribed period of withdrawing time within the range of from 0.05 to 1.5 second; and, limiting said prescribed period of pushback time within the range of from 0.1 to 0.6 second; thereby preventing a breakout and a crack from occurring in the trailing end portion of the solidified shell of the cast strand in said mold.

403920

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