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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.:

US 11718887 B1

PDFFull Text
Date of Patent:
Aug. 08, 2023

Filed:

Sep. 12, 2018

Ferrite-based stainless steel having excellent impact toughness, and method for producing same

Applicant:

Posco, Pohang-si, KR;

Inventor:

Jung Hyun Kong, Pohang-si, KR;

Assignee:

POSCO CO., LTD, Pohang-si, KR;

Attorney:

Morgan, Lewis & Bockius LLP

Primary Examiner:

Nicholas A Wang

Assistant Examiner:

Maxwell Xavier Duffy

Int. Cl.
CPC ...
C21D 9/46 (2006.01); C21D 6/00 (2006.01); C21D 8/02 (2006.01); C22C 38/00 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); C22C 38/06 (2006.01); C22C 38/42 (2006.01); C22C 38/50 (2006.01);
U.S. Cl.
CPC ...
C21D 9/46 (2013.01); C21D 6/004 (2013.01); C21D 6/005 (2013.01); C21D 6/008 (2013.01); C21D 8/0205 (2013.01); C21D 8/0226 (2013.01); C21D 8/0263 (2013.01); C22C 38/001 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/06 (2013.01); C22C 38/42 (2013.01); C22C 38/50 (2013.01); C21D 2211/005 (2013.01);
Abstract

Disclosed is a ferritic stainless hot-rolled annealed steel sheet with excellent impact properties of 6 mm or more in thickness and a manufacturing method thereof. A ferritic stainless steel with excellent impact toughness according to an embodiment of the present disclosure includes, in percent (%) by weight of the entire composition, C: more than 0 and 0.01% or less, Si: 0.8% or less, Mn: 0.5% or less, Cr: 10 to 14%, Ti: 0.01 to 0.45%, N: more than 0 and 0.015% or less, the remainder of iron (Fe) and other inevitable impurities, and an average misorientation between grains of microstructure is 0.6 to 1.1°.

Find Patent Forward Citations

Kong, Jung. (2023). Ferrite-based stainless steel having excellent impact toughness, and method for producing same (U.S. Patent No. 11718887). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11718887

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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