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:
Mar. 17, 1981
Filed:
Jul. 31, 1979
Applicant:
Inventors:
Keiichi Yoshioka, Chiba, JP;
Noboru Kinoshita, Ichihara, JP;
Yutaka Ono, Ichihara, JP;
Nobuo Ohashi, Funabashi, JP;
Assignee:
Kawasaki Steel Corporation, Kobe, JP;
Primary Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
75125 ; 7512 / ; 7512 / ; 7512 / ; 7512 / ;
Abstract
Martensitic stainless steel having excellent weldability and workability for structural use is obtained by limiting each content of carbon and nitrogen to the low value less than 0.02% and the content of nickel to less than 0.1% and by satisfying the following requirement.