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. 02, 2021
Filed:
Feb. 01, 2018
Jfe Steel Corporation, Tokyo, JP;
Shinichi Furuya, Tokyo, JP;
Akira Matsuzaki, Tokyo, JP;
Hiroyuki Masuoka, Tokyo, JP;
Katsuya Hoshino, Tokyo, JP;
JFE STEEL CORPORATION, Tokyo, JP;
Abstract
There is provided a high-strength galvanized steel sheet and a relatively low-strength galvanized steel sheet that undergoes complex forming, a galvanized steel sheet that exhibits consistently excellent press formability and that generates no hazardous fumes during welding as well as a manufacturing method therefor. The galvanized steel sheet has an oxide layer on the surface, where the oxide layer has an average thickness of 20 nm or more, and the oxide layer contains 30 mg/mor more of Zn, 1.0 mg/mor more of S, and 50 mg/mor more and 1,000 mg/mor less of polyethylene particles having an average particle size of 5.0 μm or less.