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:
Jul. 30, 2002
Filed:
Jun. 27, 2001
Applicant:
Inventors:
Junichiro Hirasawa, Chiba, JP;
Atsushi Miyazaki, Chiba, JP;
Mineo Muraki, Chiba, JP;
Susumu Satoh, Chiba, JP;
Assignee:
Kawasaki Steel Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 3/852 ; C22C 3/854 ; C22C 3/846 ;
U.S. Cl.
CPC ...
C22C 3/852 ; C22C 3/854 ; C22C 3/846 ;
Abstract
Ferritic stainless steel comprising all three of Co, V, and B, having a Co content of about 0.01 mass % to about 0.3 mass %, a V content of about 0.01 mass % to about 0.3 mass %, and a B content of about 0.0002 mass % to about 0.0050 mass %, and having superior secondary working embrittleness resistance and superior high temperature fatigue characteristics.