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:
Aug. 03, 1993
Filed:
Jan. 14, 1992
Applicant:
Inventors:
Assignee:
Kawasaki Steel Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C21D / ;
U.S. Cl.
CPC ...
148542 ; 148325 ; 148327 ; 148609 ; 420 69 ;
Abstract
A high strength martensitic stainless steel having superior anti-fatigue characteristics when used in a corrosive or erosive environment. The steel has a proof strength of 80 to 110 kg/mm.sup.2 and a composition containing specified amounts of carbon, silicon, manganese, chromium, nickel, molybdenum, vanadium, and nitrogen, the balance being substantially iron and incidental inclusions. The contents of the additives are such that a nickel equivalent Nieq given by the following Formula (1) ranges between 10.5 and 12.9 wt. %:
Oka, Yutaka. (1993). High-strength martensitic stainless steel having superior fatigue (U.S. Patent No. 5232520). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5232520
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile