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:
Feb. 28, 2017

Filed:

Dec. 20, 2006
Applicants:

Il-ryoung Sohn, Kyungsangbook-do, KR;

Kwang-geun Chin, Kyungsangbook-do, KR;

Seong-ju Kim, Kyungsangbook-do, KR;

Myung-soo Kim, Kyungsangbook-do, KR;

Sung-kyu Kim, Kyungsangbook-do, KR;

Inventors:

Il-Ryoung Sohn, Kyungsangbook-do, KR;

Kwang-Geun Chin, Kyungsangbook-do, KR;

Seong-Ju Kim, Kyungsangbook-do, KR;

Myung-Soo Kim, Kyungsangbook-do, KR;

Sung-Kyu Kim, Kyungsangbook-do, KR;

Assignee:

POSCO, Pohang-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 38/04 (2006.01); C22C 38/06 (2006.01); B32B 15/01 (2006.01); C23C 2/06 (2006.01); C23C 2/28 (2006.01); C22C 18/00 (2006.01); C22C 38/60 (2006.01); C21D 6/00 (2006.01); C21D 8/02 (2006.01);
U.S. Cl.
CPC ...
C23C 2/06 (2013.01); B32B 15/012 (2013.01); C21D 6/005 (2013.01); C21D 8/0236 (2013.01); C21D 8/0273 (2013.01); C21D 8/0284 (2013.01); C22C 18/00 (2013.01); C22C 38/04 (2013.01); C22C 38/60 (2013.01); C23C 2/28 (2013.01); Y10T 428/12799 (2015.01);
Abstract

A high-manganese hot-dip coated steel sheet is disclosed which provides high corrosion resistance, high ductility and high strength, mainly used for inner and outer panels of automobiles, and a method of manufacturing the same. The high-manganese hot-dip coated steel sheet includes a substrate steel sheet having a composition of (in weight %) 0.1 to 1.5% of C, 5 to 35% of Mn, and the remainder includes Fe and other unavoidable impurities, and a hot-dip zinc coating layer formed on the substrate steel sheet, the hot-dip zinc coating layer having a composition of (in weight %) 0.1 to 10% of Mn, 5 to 15% of Fe, and the remainder including Zn and other unavoidable impurities.


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