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.

Date of Patent:
Oct. 08, 2024

Filed:

Dec. 06, 2019
Applicant:

Korea Advanced Institute of Science and Technology, Daejeon, KR;

Inventors:

Changheui Jang, Daejeon, KR;

Jiho Shin, Daejeon, KR;

Byeong Seo Kong, Daejeon, KR;

Hyeon Bae Lee, Daejeon, KR;

Chaewon Jeong, Daejeon, KR;

Hyun Woo Koo, Daejeon, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 38/58 (2006.01); C21D 8/02 (2006.01); C22C 38/48 (2006.01);
U.S. Cl.
CPC ...
C22C 38/58 (2013.01); C21D 8/0226 (2013.01); C22C 38/48 (2013.01); C21D 2211/001 (2013.01);
Abstract

Austenitic stainless steel includes 16 to 26 wt % of chromium (Cr), 8 to 22 wt % of nickel (Ni), 0.02 to 0.1 wt % of carbon (C), 0.2 to 1 wt % of niobium (Nb), and 2 to 3.5 wt % of manganese (Mn), and has an austenite matrix, wherein a nanosized niobium carbide (NbC) is precipitated in the austenite matrix, and the nanosized niobium carbide is uniformly dispersed in the austenite matrix. The austenitic stainless steel may further include 0.5 to 1.5 wt % of molybdenum (Mo).


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