Krosakiharima Corporation

Tarou Makino

Shuuji Noai

Keiichirou Akamine

Disclosed is a refractory product for casting of steel, which is capable of forming a dense surface layer which is high in terms of a slag infiltration suppressing ability and strong, in a surface region thereof efficiently or sufficiently or in an optimum state. The refractory product contains 1 mass % or more of free carbon, and 2 mass % to 15 mass % of an aluminum component as metal, with the remainder comprising a refractory material as a main composition, wherein the refractory product has a permeability of 1&#xd7;10mto 15&#xd7;10m.

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Fukuoka, Japan

Tarou Makino