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:
Oct. 14, 2014
Filed:
Mar. 16, 2012
Masaki Ueyama, Amagasaki, JP;
Masaaki Terunuma, Osaka, JP;
Masaki Ueyama, Amagasaki, JP;
Masaaki Terunuma, Osaka, JP;
Nippon Steel & Sumitomo Metal Corporation, Tokyo, JP;
Abstract
A Ni based alloy material consists of by mass percent, C≦0.03%, Si: 0.01 to 0.5%, Mn: 0.01 to 1.0%, P≦0.03%, S≦0.01%, Cr: not less than 20% to less than 30%, Ni: more than 40% to not more than 50%, Cu: more than 2.0% to not more than 5.0%, Mo: 4.0 to 10%, Al: 0.005 to 0.5%, W: 0.1 to 10%, N: more than 0.10% to not more than 0.35%, optionally one or more elements selected from Ca≦0.01% and Mg≦0.01%, with the balance being Fe and impurities, and the formula of '0.5Cu+Mo≧6.5' is satisfied. The material has a surface hardness of a Vickers hardness of not less than 350 at 500° C., a corrosion resistance equivalent to that of Ni based alloys having high Mo contents, and excellent erosion resistance in a severe environment.