| 发明名称 |
BEARING STEEL WITH EXCELLENT ROLLING FATIGUE CHARACTERISTICS, AND BEARING PARTS |
| 摘要 |
This bearing steel has: a properly adjusted chemical composition; an average oxide-inclusion composition which comprises 10 to 45% of CaO, 20 to 45% of Al2O3, 30 to 50% of SiO2, up to 15% (exclusive of 0) of MnO, and 3 to 10% of MgO, with the balance being unavoidable impurities; a maximum length of oxide inclusions in the longitudinal section of 20µm or less; and a spheroidal cementite structure. |
| 申请公布号 |
WO2012132771(A1) |
申请公布日期 |
2012.10.04 |
| 申请号 |
WO2012JP55553 |
申请日期 |
2012.03.05 |
| 申请人 |
KABUSHIKI KAISHA KOBE SEIKO SHO;KAIZUKA, MASAKI;NAGAHAMA, MUTSUHISA;SHIMAMOTO, MASAKI;SUGIMURA, TOMOKO |
发明人 |
KAIZUKA, MASAKI;NAGAHAMA, MUTSUHISA;SHIMAMOTO, MASAKI;SUGIMURA, TOMOKO |
| 分类号 |
C22C38/00;C21D8/06;C22C38/18 |
主分类号 |
C22C38/00 |
| 代理机构 |
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