| 摘要 |
PROBLEM TO BE SOLVED: To provide a temper rolling method and a temper rolling mill which can manufacture a steel strip excellent in surface property by suppressing the occurrence of roll marks on the surface of the steel strip by preventing the occurrence of both dint flaws and the adherence of foreign matters onto the surfaces of work rolls. SOLUTION: The steel strip is temper-rolled by using the work rolls and back-up rolls respectively taking the Shore hardness A (Hs) of the work roll and the Shore hardness B (Hs) of back-up rolls as the ranges of the following expressions (1), (2) and (3). A≥90 ... (1). B > 75 ... (2). (A-20) < B≤(A-10) ... (3). COPYRIGHT: (C)2005,JPO&NCIPI
|
