ROLLING PARTS AND PRODUCTION METHOD THEREFOR

摘要

PROBLEM TO BE SOLVED: To provide inexpensive rolling parts which have excellent workability, and have a long rolling life under severe conditions. SOLUTION: The rolling parts consist of a steel at least containing, by mass, 0.5 to 0.8% C, 0.5 to 1.2% Si and 0.3 to 1.3% Mn, and have surface hardness HRC of >=59.