Mold cover powder for continuous casting of steel, especially very-low-carbon steels
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United States of America Patent
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Dec 11, 2001
Issued Date -
N/A
app pub date -
Oct 13, 1998
filing date -
Jan 27, 1995
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Expired
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Abstract
A method of making a powder for covering an ingot mold for the continuous casting of steel, in particular steels with ultra-low carbon content. The powder comprises a base powder and particles of at least one metal nitride, its free carbon content being between 0 and 1% by weight, the method comprising forming a slip of raw materials for the basis powder, at least one metal nitride and water and atomizing the slip to form a mist and drying the mist to form granules having diameters lying between 20 .mu.m and 800 .mu.m.
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