发明名称 |
STEEL SHEET FOR SOFT NITRIDING AND PROCESS FOR PRODUCING SAME |
摘要 |
To provide a steel sheet for soft-nitriding excellent in formability and fatigue resistance property. A steel sheet for soft-nitriding has a composition containing: C: 0.05% or more to 0.10% or less; Si: 0.5% or less; Mn: 0.7% or more to 1.5% or less; P: 0.05% or less; S: 0.01% or less; Al: 0.01% or more to 0.06% or less; Cr: 0.5% or more to 1.5% or less; V: 0.03% or more to 0.30% or less; and N: 0.005% or less, on a mass percent basis, wherein a ratio of amount of solute V to the V content (amount of solute V/V content) is more than 0.50, and balance comprises Fe and incidental impurities, and a complex-phase microstructure containing ferrite and pearlite. |
申请公布号 |
EP2868762(A4) |
申请公布日期 |
2016.03.09 |
申请号 |
EP20120879635 |
申请日期 |
2012.06.27 |
申请人 |
JFE STEEL CORPORATION |
发明人 |
KOBAYASHI, TAKASHI;NAKAMURA, NOBUYUKI;FUNAKAWA, YOSHIMASA |
分类号 |
C22C38/00;C21D8/02;C21D9/46;C22C38/02;C22C38/04;C22C38/06;C22C38/24;C22C38/26;C22C38/38;C23C8/26 |
主分类号 |
C22C38/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|