Method for continuously casting slab
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United States of America Patent
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Nov 6, 2018
Grant Date -
Jan 18, 2018
app pub date -
Jan 7, 2016
filing date -
Jan 15, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
To provide a continuous casting method according to which a slab difficult for surface cracking to appear can be manufactured, in a first water cooling step, the slab is cooled so that only a surface temperature of corner parts is below Ar3 point, in a first recuperation step, the slab is recuperated so that the surface temperature of all the slab including the corner parts is no less than the Ar3 point, in a second water cooing step, the slab is cooled so that the surface temperature of all the slab including the corner parts is below the Ar3 point, and in a second recuperation step, the slab is recuperated so that the surface temperature of only a portion of the slab other than the corner parts is no less than the Ar3 point.
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