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:
Apr. 17, 2018
Filed:
Dec. 28, 2012
Applicant:
Posco, Pohang-si, KR;
Inventors:
Soon-Gi Lee, Pohang-si, KR;
In-Shik Suh, Pohang-si, KR;
In-Gyu Park, Pohang-si, KR;
Hong-Ju Lee, Pohang-si, KR;
Assignee:
POSCO, Pohang-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21D 8/00 (2006.01); C22C 38/04 (2006.01); C22C 38/12 (2006.01); C21D 6/00 (2006.01); C22C 38/02 (2006.01); C22C 38/00 (2006.01); C22C 38/14 (2006.01);
U.S. Cl.
CPC ...
C22C 38/12 (2013.01); C21D 6/005 (2013.01); C21D 6/008 (2013.01); C21D 8/005 (2013.01); C22C 38/002 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/14 (2013.01);
Abstract
A high-manganese wear-resistant steel having excellent weldability comprises 5 to 15 wt % of Mn, 16≤33.5C+Mn≤30 of C, 0.05 to 1.0 wt % of Si, and a balance of Fe and other inevitable impurities. The microstructure thereof includes martensite as a major component, and 5% to 40% of residual austenite by area fraction.