| 摘要 |
PROBLEM TO BE SOLVED: To provide a material having both skin irritation resistance and wear resistance as a roll material for rolling. SOLUTION: This outer layer material of a composite roll for rolling made with centrifugal casting, includes 0.7-3.6% C, 0.2-2.5% Si, 0.2-2.0% Mn, 2.0-10% Cr, 0.2-1.0% Mo, 2.0-10% V, 0.001-0.50% B, 0.001-0.50% Al, 0.001-0.50% Ti, 0.001-0.50% Zr, 0.001-0.50% Cu, 0.001-0.50% Mg, 0.001-0.50% Ca, by mass%, and Fe and unavoidable impurities as remainders.
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