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:
Oct. 31, 2023
Filed:
Nov. 28, 2019
Applicant:
Posco, Pohang-si, KR;
Inventor:
Hyeon-Seok Hwang, Gwangyang-si, KR;
Assignee:
POSCO CO., LTD, Pohang-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 15/01 (2006.01); C23C 2/02 (2006.01); C23C 2/06 (2006.01); C23C 2/40 (2006.01); C21D 9/46 (2006.01); C21D 1/26 (2006.01); C21D 1/74 (2006.01); C23C 2/16 (2006.01); C23C 2/18 (2006.01); C23C 2/26 (2006.01); C23C 2/20 (2006.01); B23H 1/00 (2006.01); B21B 27/00 (2006.01); B21B 27/02 (2006.01); B32B 3/26 (2006.01); B32B 3/30 (2006.01); B32B 7/02 (2019.01); C21D 7/04 (2006.01); C23C 30/00 (2006.01); B21B 1/22 (2006.01); B21B 1/24 (2006.01); B32B 15/04 (2006.01); B32B 15/18 (2006.01); B24C 1/00 (2006.01); B23K 26/362 (2014.01); B24C 1/08 (2006.01); B23K 26/36 (2014.01); B23K 26/352 (2014.01); C23F 4/00 (2006.01);
U.S. Cl.
CPC ...
B32B 15/013 (2013.01); B21B 1/22 (2013.01); B21B 1/227 (2013.01); B21B 1/24 (2013.01); B21B 27/00 (2013.01); B21B 27/005 (2013.01); B21B 27/021 (2013.01); B23H 1/00 (2013.01); B23K 26/352 (2015.10); B23K 26/36 (2013.01); B23K 26/362 (2013.01); B24C 1/00 (2013.01); B24C 1/08 (2013.01); B32B 3/26 (2013.01); B32B 3/263 (2013.01); B32B 3/30 (2013.01); B32B 7/02 (2013.01); B32B 15/012 (2013.01); B32B 15/04 (2013.01); B32B 15/043 (2013.01); B32B 15/18 (2013.01); C21D 1/26 (2013.01); C21D 1/74 (2013.01); C21D 7/04 (2013.01); C21D 9/46 (2013.01); C23C 2/02 (2013.01); C23C 2/022 (2022.08); C23C 2/06 (2013.01); C23C 2/16 (2013.01); C23C 2/18 (2013.01); C23C 2/20 (2013.01); C23C 2/26 (2013.01); C23C 2/40 (2013.01); C23C 30/00 (2013.01); C23C 30/005 (2013.01); C23F 4/00 (2013.01); C21D 2241/00 (2013.01); Y10T 428/12451 (2015.01); Y10T 428/12472 (2015.01); Y10T 428/12757 (2015.01); Y10T 428/12799 (2015.01); Y10T 428/12951 (2015.01); Y10T 428/12972 (2015.01); Y10T 428/12993 (2015.01);
Abstract
Provided is a hot-dip galvanized steel sheet to be used for home appliances, vehicles, and the like, and having excellent surface appearance and low-temperature bonding brittleness. The hot-dip galvanized steel sheet includes: a base steel sheet; and a hot-dip galvanized layer formed on the base steel sheet. A surface of the base steel sheet has a centerline average roughness (Ra) of 0.3 or more, a roughness skewness (Rsk) of −1 or less, and a roughness kurtosis (Rku) of 6 or more.