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:
Feb. 20, 2018
Filed:
Aug. 22, 2014
Applicant:
Jfe Steel Corporation, Tokyo, JP;
Inventors:
Daisuke Harako, Tokyo, JP;
Tetsuya Iwata, Tokyo, JP;
Assignee:
JFE Steel Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 15/01 (2006.01); C23C 2/02 (2006.01); C23C 2/40 (2006.01); C22C 38/00 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); C22C 38/06 (2006.01); C21D 1/26 (2006.01); C21D 6/00 (2006.01); C21D 9/46 (2006.01); B32B 15/04 (2006.01); B32B 15/18 (2006.01); C21D 1/74 (2006.01); C23C 2/06 (2006.01); C22C 18/00 (2006.01); C22C 18/04 (2006.01); C21D 8/02 (2006.01); C21D 3/06 (2006.01);
U.S. Cl.
CPC ...
B32B 15/013 (2013.01); B32B 15/01 (2013.01); B32B 15/04 (2013.01); B32B 15/18 (2013.01); C21D 1/26 (2013.01); C21D 1/74 (2013.01); C21D 6/005 (2013.01); C21D 6/008 (2013.01); C21D 8/0278 (2013.01); C21D 9/46 (2013.01); C22C 18/00 (2013.01); C22C 18/04 (2013.01); C22C 38/00 (2013.01); C22C 38/002 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/06 (2013.01); C23C 2/02 (2013.01); C23C 2/06 (2013.01); C23C 2/40 (2013.01); C21D 3/06 (2013.01); Y10T 428/12799 (2015.01); Y10T 428/12972 (2015.01); Y10T 428/12993 (2015.01);
Abstract
A high-strength galvanized steel sheet includes a base steel sheet having a specific chemical composition and a zinc coating layer disposed on the surface of the base steel sheet in a coating weight per side of 20 g/mto 120 g/m, wherein the amount of hydrogen measured by a specific method is 0.05 mass ppm to 0.40 mass ppm; and I/Iand I/Icalculated by a specific method are not more than 2.0 and not more than 3.0, respectively.