Title:
鋳鋼、ノズル板、ノズル板の製造方法、および、静翼翼列
Document Type and Number:
Japanese Patent JP6672205
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a cast steel that has high production efficiency and can easily achieve cost reduction.SOLUTION: A cast steel according to an embodiment contains, in mass%, C: 0.11-0.15%, Si: 0.20-0.50%, Mn: 0.3-1.0%, Ni: 0.3-0.8%, Cr: 9.0-11.0%, Mo: 0.9-1.1%, V: 0.15-0.25%, W: 0.9-1.1%, Nb: 0.05-0.10%, N: 0.015-0.03% with the balance being Fe and inevitable impurities. The inevitable impurities are Al: less than 0.005%.SELECTED DRAWING: Figure 1
Inventors:
Yasuhiro Katsunuki
Motoki Yoshikawa
Ryuichi Ishii
Motoki Yoshikawa
Ryuichi Ishii
Application Number:
JP2017048927A
Publication Date:
March 25, 2020
Filing Date:
March 14, 2017
Export Citation:
Assignee:
Toshiba Corporation
Toshiba Energy Systems Co., Ltd.
Toshiba Energy Systems Co., Ltd.
International Classes:
C22C38/00; C22C38/48; F01D9/02; F01D25/00
Domestic Patent References:
| JP52068018A | ||||
| JP2010242221A | ||||
| JP2007016274A |
Foreign References:
| US3925064 | ||||
| US6129514 | ||||
| CN1730704A | ||||
| CN102605274A |
Attorney, Agent or Firm:
Patent Business Corporation Sakura International Patent Office