Title:
オーステナイト系ステンレス鋼及びその製造方法並びにそれを用いた構造物
Document Type and Number:
Japanese Patent JP4616772
Kind Code:
B2
Abstract:
There are provided an austenitic stainless steel having high stress corrosion crack resistance, characterized by containing, in percent by weight, 0.030% or less C, 0.1% or less Si, 2.0% or less Mn, 0.03% or less P, 0.002% or less S, 11 to 26% Ni, 17 to 30% Cr, 3% or less Mo, and 0.01% or less N, the balance substantially being Fe and unavoidable impurities; a manufacturing method for an austenitic stainless steel, characterized in that a billet consisting of the said austenitic stainless steel is subjected to solution heat treatment at a temperature of 1000 to 1150°C; and a pipe and a in-furnace structure for a nuclear reactor to which the said austenitic stainless steel is applied.
Inventors:
Yasuhiro Sakaguchi
Toshihiko Iwamura
Hiroshi Kanazaki
Hidehito Mimaki
Masaki Tanaike
Shunichi Suzuki
Kenro Takamori
Shun Oki
Naoki Aihara
Hiranuma Giju
Toshio Yonezawa
Toshihiko Iwamura
Hiroshi Kanazaki
Hidehito Mimaki
Masaki Tanaike
Shunichi Suzuki
Kenro Takamori
Shun Oki
Naoki Aihara
Hiranuma Giju
Toshio Yonezawa
Application Number:
JP2005517050A
Publication Date:
January 19, 2011
Filing Date:
January 13, 2005
Export Citation:
Assignee:
MITSUBISHI HEAVY INDUSTRIES,LTD.
THE TOKYO ELECTRIC POWER COMPANY,INCORPORATED
THE TOKYO ELECTRIC POWER COMPANY,INCORPORATED
International Classes:
C22C38/00; C21D6/00; C21D6/02; C21D7/02; C21D8/00; C21D9/46; C22C38/58; G21C3/07; G21C13/08; G21D1/00
Domestic Patent References:
| JPH0559494A | 1993-03-09 | |||
| JPH07209485A | 1995-08-11 | |||
| JPH0297651A | 1990-04-10 | |||
| JP4014182B |
Attorney, Agent or Firm:
Shoichi Okuyama
Arihara Koichi
Matsushima Tetsuo
Arihara Koichi
Matsushima Tetsuo