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:
Nov. 06, 2018
Filed:
Aug. 04, 2014
Applicants:
Kenji Sugiyama, Aichi, JP;
Shigeki Ueta, Aichi, JP;
Inventors:
Kenji Sugiyama, Aichi, JP;
Shigeki Ueta, Aichi, JP;
Assignee:
DAIDO STEEL CO., LTD., Aichi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C 38/00 (2006.01); C22C 38/14 (2006.01); C22C 38/50 (2006.01); C22C 38/08 (2006.01); C22C 38/12 (2006.01); C22C 38/16 (2006.01); C22C 38/28 (2006.01); C22C 38/44 (2006.01); C22C 38/52 (2006.01); C22C 38/54 (2006.01); C22C 38/06 (2006.01); C22C 38/10 (2006.01);
U.S. Cl.
CPC ...
C22C 38/14 (2013.01); C22C 38/001 (2013.01); C22C 38/002 (2013.01); C22C 38/004 (2013.01); C22C 38/06 (2013.01); C22C 38/08 (2013.01); C22C 38/105 (2013.01); C22C 38/12 (2013.01); C22C 38/16 (2013.01); C22C 38/28 (2013.01); C22C 38/44 (2013.01); C22C 38/50 (2013.01); C22C 38/52 (2013.01); C22C 38/54 (2013.01);
Abstract
Provided is a maraging steel excellent in fatigue characteristics, including, in terms of % by mass: C: ≤0.015%, Ni: from 12.0 to 20.0%, Mo: from 3.0 to 6.0%, Co: from 5.0 to 13.0%, Al: from 0.01 to 0.3%, Ti: from 0.2 to 2.0%, O: ≤0.0020%, N: ≤0.0020%, and Zr: from 0.001 to 0.02%, with the balance being Fe and unavoidable impurities.