A mold dimensioned to be positioned within a refractory-lined tundish. The mold has an upper wall and a side wall extending downwardly from the upper wall, the side wall having a shape generally conforming to the shape of the intern al cavity of the tundish and having a lower end formed to rest on the refractory lining o n the bottom wall of the refractory-lined tundish. The upper wall and side wall define an interior chamber. The side wall of the mold and the refractory lining on the sloping wall of the tundish form a gap therebetween. The gap extends around the mold , the mold being dimensioned such that the gap between the side wall of the mold a nd the refractory lining on the side wall of the tundish is wider at an upper porti on of the internal cavity than at a lower portion of the cavity. A heating means exten ds through the upper wall of the mold for heating the interior chamber of the mold./SD OAB
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