Invention Grant
- Patent Title: Forging heat resistant steel, manufacturing method thereof, forged parts and manufacturing method thereof
- Patent Title (中): 锻造耐热钢，其制造方法，锻造件及其制造方法
-
Application No.: US13336437Application Date: 2011-12-23
-
Publication No.: US08999078B2Publication Date: 2015-04-07
- Inventor: Masayuki Yamada , Reki Takaku , Haruki Ohnishi , Kenichi Okuno , Kenichi Imai , Kazuhiro Miki , Tsukasa Azuma , Satoru Ohsaki
- Applicant: Masayuki Yamada , Reki Takaku , Haruki Ohnishi , Kenichi Okuno , Kenichi Imai , Kazuhiro Miki , Tsukasa Azuma , Satoru Ohsaki
- Applicant Address: JP Tokyo JP Tokyo
- Assignee: Kabushiki Kaisha Toshiba,The Japan Steel Works, Ltd.
- Current Assignee: Kabushiki Kaisha Toshiba,The Japan Steel Works, Ltd.
- Current Assignee Address: JP Tokyo JP Tokyo
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: JPP2010-293314 20101228
- Main IPC: C21D8/02
- IPC: C21D8/02 ; C22C38/54 ; C22C38/52 ; C22C38/48 ; C22C38/44 ; C21D1/25 ; C21D6/02 ; C21D7/13 ; C22C38/46
Abstract:
A forging heat resistant steel of an embodiment contains in percent by mass C: 0.05-0.2, Si: 0.01-0.1, Mn: 0.01-0.15, Ni: 0.05-1, Cr: 8 or more and less than 10, Mo: 0.05-1, V: 0.05-0.3, Co: 1-5, W: 1-2.2, N: 0.01 or more and less than 0.015, Nb: 0.01-0.15, B: 0.003-0.03, and a remainder comprising Fe and unavoidable impurities.
Public/Granted literature
Information query
