| 摘要 |
PROBLEM TO BE SOLVED: To provide a refractory brick including metallic fiber capable of suppressing generation of thermal stress cracking, and its lining structure.SOLUTION: This refractory brick including metallic fiber has the hexagonal shape having three sets of side faces opposed to each other, and satisfies b/a≤0.9 and 0.5≤a≤30, when an average content of metallic fiber of the side face of highest average content of metallic fiber included by a depth of 1 mm from a surface, is a mass%, and an average content of metallic fiber on the side face of smallest average content, is b mass% among four side faces excluding an operation face kept into contact with molten metal, and a back face opposed to the operation face. |
