基本信息:
- 专利标题： BEARING STEEL EXCELLENT IN ROLLING FATIGUE LIFE
- 专利标题（中）：轴承钢出色的滚动疲劳性
- 申请号：EP99951124 申请日：1999-10-28
- 公开(公告)号：EP1048744A4 公开(公告)日：2001-02-28
- 发明人： ATSUMI TAKUYA , HOSHINO TOSHIYUKI , AMANO KENITI , YASUMOTO SATOSHI , GOTOH MASAO
- 申请人： KAWASAKI STEEL CO , KOYO SEIKO CO
- 专利权人： KAWASAKI STEEL CO,KOYO SEIKO CO
- 当前专利权人： KAWASAKI STEEL CO,KOYO SEIKO CO
- 优先权： JP31879598 1998-11-10
- 主分类号： C22C38/00
- IPC分类号： C22C38/00 ; C22C38/18 ; C22C38/60 ; F16C33/62
摘要：
A bearing steel excellent in rolling fatigue life which can provide a bearing member used for a rolling bearing (roller bearing and ball bearing) element member and particularly excellent in rolling fatigue life, characterized by containing 0.95 to 1.10 mass% of C, over 1.60 to 3.50 mass% of Cr, up to 0.0015 mass% of O, up to 0.0010 mass% of Sb and the remaining components of Fe and unavoidable impurities, one or at least two components selected from a group consisting of up to 2.5 mass% of Si, up to 2.5 mass% of Mn, up to 2.5 mass% of Mo, up to 3.0 mass% of Ni, up to 1.5 mass% of Nb, up to 1.5 mass% of V, up to 2.0 mass% of Cu and up to 0.08 mass% of Al being permitted to be contained.
IPC结构图谱:
| C | 化学；冶金 |
| --C22 | 冶金（铁的冶金入C21）；黑色或有色金属合金；合金或有色金属的处理 |
| ----C22C | 合金 |
| ------C22C38/00 | 铁基合金，例如合金钢 |