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:
Dec. 07, 2021
Filed:
Dec. 21, 2017
Applicant:
Posco, Pohang-si, KR;
Inventors:
Young-Jin Kwak, Gwangyang-si, KR;
Du-Youl Choi, Incheon, KR;
Assignee:
POSCO, Gyeongsangbuk-Do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 15/01 (2006.01); C22C 38/00 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); C22C 38/06 (2006.01); C23C 14/16 (2006.01); C23C 14/26 (2006.01); C23C 14/58 (2006.01); C23C 28/02 (2006.01); C25D 3/22 (2006.01); C25D 5/50 (2006.01);
U.S. Cl.
CPC ...
B32B 15/013 (2013.01); C22C 38/002 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/06 (2013.01); C23C 14/16 (2013.01); C23C 14/26 (2013.01); C23C 14/5806 (2013.01); C23C 28/025 (2013.01); C25D 3/22 (2013.01); C25D 5/50 (2013.01);
Abstract
Provided are a zinc alloy plated steel and a method for manufacturing same, the zinc alloy plated steel comprising: a base iron; a Zn plated layer formed on top of the base iron; and a Zn—Mg alloy layer formed on top of the Zn plated layer and obtained through mutual diffusion of Zn and Mg, wherein the ratio of the weight of Mg contained in the Zn—Mg alloy layer with respect to the total weight of the Zn plated layer and the Zn—Mg alloy layer is 0.13 to 0.24, and the sum of the adhesion quantity of the Zn layer and the Zn—Mg alloy layer is no more than 40 g/m(more than 0 g/m).