| 发明名称 |
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| 摘要 |
A material of outer layer of the roll for rolling containing the following elements at respective ratio: C: 1.5-3.5%; Si: 1.5 % or under; Mn: 1.2 % or under; Cr: 5.5-12.0 %; Mo: 2.0-8.0 %; V: 30-10.0 %; and Nb: 0.6-7.0 %, on condition that the following formulas (1): V + 1.8 Nb </= 7.5 C - 6.0 (%) and (2): 0.2 </= Nb/V </= 0.8 must be satisfied and, further, containing Fe and unremovable impurities as the remainder. <IMAGE> |
| 申请公布号 |
EP0559899(A4) |
申请公布日期 |
1994.01.26 |
| 申请号 |
EP19920909738 |
申请日期 |
1992.05.14 |
| 申请人 |
KAWASAKI STEEL CORPORATION |
发明人 |
KATAOKA, YOSHIHIRO KAWASAKI STEEL CORPORATION |
| 分类号 |
B21B27/00;B32B15/01;C22C37/06;(IPC1-7):C22C37/06 |
主分类号 |
B21B27/00 |
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