The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 07, 2015
Filed:
Dec. 23, 2011
Masayuki Yamada, Yokohama, JP;
Reki Takaku, Yokohama, JP;
Haruki Ohnishi, Yokohama, JP;
Kenichi Okuno, Yokohama, JP;
Kenichi Imai, Yokohama, JP;
Kazuhiro Miki, Muroran, JP;
Tsukasa Azuma, Muroran, JP;
Satoru Ohsaki, Muroran, JP;
Masayuki Yamada, Yokohama, JP;
Reki Takaku, Yokohama, JP;
Haruki Ohnishi, Yokohama, JP;
Kenichi Okuno, Yokohama, JP;
Kenichi Imai, Yokohama, JP;
Kazuhiro Miki, Muroran, JP;
Tsukasa Azuma, Muroran, JP;
Satoru Ohsaki, Muroran, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
The Japan Steel Works, Ltd., Tokyo, JP;
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.