| 发明名称 |
THICK STEEL PLATE HAVING EXCELLENT ULTRALOW-TEMPERATURE TOUGHNESS |
| 摘要 |
Disclosed is a steel plate that contains predetermined steel chemical compositions. The content of Mn-containing inclusions each having a largest dimension greater than 0.1 µm in the steel is from 0.001 to 0.07 mass percent. The fraction of a retained austenite phase existing at -196°C is from 2.0 to 12.0 volume percent. |
| 申请公布号 |
EP2987885(A4) |
申请公布日期 |
2016.09.28 |
| 申请号 |
EP20140785212 |
申请日期 |
2014.04.08 |
| 申请人 |
KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.) |
发明人 |
IBANO, AKIRA;NAKO, HIDENORI |
| 分类号 |
C22C38/00;B22D11/124;C21D8/02;C21D9/46;C22C38/02;C22C38/04;C22C38/06;C22C38/08;C22C38/12;C22C38/14;C22C38/16;C22C38/18;C22C38/40;C22C38/42;C22C38/44;C22C38/46;C22C38/48;C22C38/50;C22C38/54;C22C38/58 |
主分类号 |
C22C38/00 |
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