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:
Jan. 02, 2018
Filed:
Feb. 13, 2009
Satoru Ohsaki, Muroran, JP;
Tatsuya Takahashi, Muroran, JP;
Koji Kajikawa, Muroran, JP;
Eiji Maeda, Muroran, JP;
Yoshikuni Kadoya, Nagasaki, JP;
Ryuichi Yamamoto, Hyogo, JP;
Takashi Nakano, Tokyo, JP;
Satoru Ohsaki, Muroran, JP;
Tatsuya Takahashi, Muroran, JP;
Koji Kajikawa, Muroran, JP;
Eiji Maeda, Muroran, JP;
Yoshikuni Kadoya, Nagasaki, JP;
Ryuichi Yamamoto, Hyogo, JP;
Takashi Nakano, Tokyo, JP;
THE JAPAN STEEL WORKS, LTD., Tokyo, JP;
Abstract
A subject for the invention is to diminish the occurrence of streak-type segregation in producing a material comprising a Ni-based superalloy. The invention relates to a Ni-based superalloy having excellent unsusceptibility to segregation, characterized by comprising: 0.005 to 0.15 mass % of C; 8 to 22 mass % of Cr; 5 to 30 mass % of Co; equal or greater than 1 and less than 9 mass % of Mo; 5 to 21 mass % of W; 0.1 to 2.0 mass % of Al; 0.3 to 2.5 mass % of Ti; up to 0.015 mass % of B; and up to 0.01 mass % of Mg, with the remainder comprising Ni and unavoidable impurities.