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:
Feb. 14, 1984
Filed:
Jun. 17, 1981
Masao Yamamoto, Tokyo, JP;
Takashi Yebisuya, Kawasaki, JP;
Mituo Kawai, Yokohama, JP;
Kei Honma, Yokohama, JP;
Tokyo Shibaura Denki Kabushiki Kaisha, Kanagawa, JP;
Abstract
Stainless steel suitable for use as water turbine elements for water power plants having high cavitation erosion resistance, comprised of at least one of either carbon of no more than 0.2 weight percent or nitrogen of 0.02-0.3 weight percent, together with silicon of 2.0 weight percent or less, chromium of 10.0-20.0 weight percent, nickel of 0.5-10.0 weight percent, manganese of over 2.0-20.0 weight percent, and the balance of essentially iron, and in which the ferrite phase has not been formed but where at least either the epsilon phase or the austenite phase has been essentially formed.