Title:
【発明の名称】高靱性高温高強度フェライト系ステンレス鋼
Document Type and Number:
Japanese Patent JP3014822
Kind Code:
B2
Abstract:
A ferrite steel suitable for use as the material of a part which is used at high and which is required to have high toughness at weld heat affected zones. The ferrite steel has a composition which contains C: not more than 0.02 wt %, Si: not more than 2.0 wt %, Mn: not more than 1.0 wt %, Cr: not less than 6.0 wt % but not more than 23.0 wt %, Ni: not more than 1.0 wt %, Nb: not less than 0.4 wt % but not more than 0.65 wt %, Co: not less than 0.01 wt % but not more than 2.0 wt %, Al: not more than 0.5 wt %, N: not more than 0.03 wt % and the balance substantially Fe and incidental inclusions.
Inventors:
Atsushi Miyazaki
Ujo
Togashi Fusa
Ujo
Togashi Fusa
Application Number:
JP23455591A
Publication Date:
February 28, 2000
Filing Date:
September 13, 1991
Export Citation:
Assignee:
Kawasaki Steel Co., Ltd.
International Classes:
C22C38/26; C22C38/30; C22C38/52; C22C38/00; (IPC1-7): C22C38/00; C22C38/30; C22C38/52
Domestic Patent References:
| JP2310340A | ||||
| JP297650A | ||||
| JP5361514A |
Attorney, Agent or Firm:
Nobuto Watanabe (1 person outside)