Title:
オーステナイト系ステンレス鋼
Document Type and Number:
Japanese Patent JP5029788
Kind Code:
B1
Abstract:
To provide an austenitic stainless steel which has an excellent high-temperature corrosion thermal fatigue cracking resistance. An austenitic stainless steel containing, by mass%, Cr: 15.0 to 23.0%, and Ni: 6.0 to 20.0%, wherein a near-surface portion is covered with a worked layer with high energy density having an average thickness of 5 to 30 µm.
Inventors:
Atsuro Iseta
Yoshitaka Nishiyama
Masahiro Seto
Yamamoto Satomi
Hiroshi Hirata
Yasutaka Noguchi
Mitsuru Yoshizawa
Hiroshi Matsuo
Yoshitaka Nishiyama
Masahiro Seto
Yamamoto Satomi
Hiroshi Hirata
Yasutaka Noguchi
Mitsuru Yoshizawa
Hiroshi Matsuo
Application Number:
JP2011549376A
Publication Date:
September 19, 2012
Filing Date:
November 18, 2011
Export Citation:
Assignee:
SUMITOMO METAL INDUSTRIES,LTD.
International Classes:
C22C38/00; C22C38/58; C21D7/06
Domestic Patent References:
| JPS63192844A | 1988-08-10 | |||
| JP2004132437A | 2004-04-30 | |||
| JPS62181834A | 1987-08-10 | |||
| JP2006307313A | 2006-11-09 | |||
| JPS63192844A | 1988-08-10 |
Foreign References:
| WO2008023410A1 | 2008-02-28 | |||
| WO2008023410A1 | 2008-02-28 |
Attorney, Agent or Firm:
Mikiji Sugioka
Chihara
Chihara