Continuous casting of molten steel for sheet metal
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United States of America Patent
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Issued Date -
Feb 18, 2010
app pub date -
Aug 22, 2003
filing date -
Aug 22, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Disclosed is a method of continuous casting of aluminum-killed steel, using a refractory martial containing 20 mass % or more of CaO.MgO-based clinker. 60% or more of MgO grains included in the grains of the CaO.MgO-based clinker have a diameter of 50 μm or less. The refractory martial is used at least at a portion to be in contact with molten steel. The present invention can reduce the diameter of MgO grains as inclusions in slabs to suppress the occurrence of flaws in a milled sheet metal.
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