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:
Nov. 27, 2018

Filed:

Dec. 27, 2012
Applicant:

Posco, Pohang-si, KR;

Inventors:

Han Jin Ryu, Pohang-si, KR;

Gi Sun Tae, Pohang-si, KR;

Hyung Gu Kang, Pohang-si, KR;

Hun Jae Ha, Pohang-si, KR;

Assignee:

POSCO, Pohang-si, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01N 13/16 (2010.01); C21D 6/00 (2006.01); C21D 8/00 (2006.01); C25F 1/06 (2006.01); B32B 15/01 (2006.01); C23C 2/12 (2006.01); C23C 2/02 (2006.01); C22C 38/02 (2006.01); C22C 38/00 (2006.01); C21D 9/46 (2006.01); C22C 38/04 (2006.01); C22C 38/20 (2006.01); C22C 38/18 (2006.01); C22C 38/28 (2006.01);
U.S. Cl.
CPC ...
F01N 13/16 (2013.01); B32B 15/012 (2013.01); C21D 6/002 (2013.01); C21D 6/005 (2013.01); C21D 6/008 (2013.01); C21D 8/00 (2013.01); C21D 8/005 (2013.01); C21D 9/46 (2013.01); C22C 38/00 (2013.01); C22C 38/001 (2013.01); C22C 38/004 (2013.01); C22C 38/008 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/18 (2013.01); C22C 38/20 (2013.01); C22C 38/28 (2013.01); C23C 2/02 (2013.01); C23C 2/12 (2013.01); C25F 1/06 (2013.01); C21D 2211/005 (2013.01); Y10T 428/12757 (2015.01);
Abstract

Provided is a ferritic stainless steel having excellent corrosion resistance against condensate, moldability, and high-temperature oxidation resistance, wherein the ferritic stainless steel is capable of being manufactured in an economically advantageous manner without adding expensive alloying elements. The ferritic stainless steel includes, by weight %, C: greater than 0 and 0.01% or less, Cr: 9 to 13%, Si: 0.5 to 1.0%, Mn: greater than 0 and 0.5% or less, P: greater than 0 and 0.035% or less, S: greater than 0 and 0.01% or less, Ti: 0.15 to 0.5%, N: greater than 0 and 0.01% or less, Sn: 0.05 to 0.5%, and the remainder is Fe and inevitable impurities, wherein Sn concentrated at the surface part of the stainless steel is 10 times or more than Sn concentrated at the base part.


Find Patent Forward Citations

Ryu, Han. (2018). Ferritic stainless steel for automotive exhaust system, which have excellent corrosion resistance against condensate, moldability, and high-temperature oxidation resistance, and method for manufacturing same (U.S. Patent No. 10138796). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10138796

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

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