| 摘要 |
PROBLEM TO BE SOLVED: To provide an adamite roll for hot rolling, which has both skin irritation resistance and wear resistance. SOLUTION: The adamite roll for hot rolling comprises an outer layer material including 1.0-2.5% C, 0.2-2.0% Si, 0.2-2.0% Mn, 0.2-3.0% Ni, 0.5-4.0% Cr, 0.2-2.0% Mo, 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, and 0.001-0.50% Ca, by mass%, and Fe and unavoidable impurities as remainders.
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