Galvanized Steel Sheet

Abstract: The present invention relates to a galvanized steel sheet including: a steel sheet that has a sheet thickness of 0.10-0.95 mm and that contains 0.05-0.30% of C, 0.01-3.00% of Si, 0.80-3.00% of Mn, and 0.010-2.000% of Al; and a galvanized layer formed on the steel sheet, the galvanized steel sheet having a tensile strength of 550-1,500 MPa and being such that A/B is 0.01-0.50 and B/t is 0.001-0.200, where A (µm) is the thickness of an internal oxide layer in one side of the steel sheet, B (µm) is the thickness of a decarburized layer on the one side of the steel sheet, and t (µm) is the sheet thickness of the steel sheet.

Patent Information

Application #

Filing Date

27 October 2023

Publication Number

37/2024

Publication Type

INA

Invention Field

METALLURGY

Status

Email

Parent Application

Applicants

NIPPON STEEL CORPORATION

6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071

Inventors

1. MAKI, Jun

c/o NIPPON STEEL CORPORATION, 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071

2. MATSUDA, Keitaro

c/o NIPPON STEEL CORPORATION, 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071

3. KAWATA, Hiroyuki

c/o NIPPON STEEL CORPORATION, 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071

Specification

Documents

Application Documents

#	Name	Date
1	202317073268-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [27-10-2023(online)].pdf	2023-10-27
2	202317073268-STATEMENT OF UNDERTAKING (FORM 3) [27-10-2023(online)].pdf	2023-10-27
3	202317073268-REQUEST FOR EXAMINATION (FORM-18) [27-10-2023(online)].pdf	2023-10-27
4	202317073268-PROOF OF RIGHT [27-10-2023(online)].pdf	2023-10-27
5	202317073268-POWER OF AUTHORITY [27-10-2023(online)].pdf	2023-10-27
6	202317073268-FORM 18 [27-10-2023(online)].pdf	2023-10-27
7	202317073268-FORM 1 [27-10-2023(online)].pdf	2023-10-27
8	202317073268-DRAWINGS [27-10-2023(online)].pdf	2023-10-27
9	202317073268-DECLARATION OF INVENTORSHIP (FORM 5) [27-10-2023(online)].pdf	2023-10-27
10	202317073268-COMPLETE SPECIFICATION [27-10-2023(online)].pdf	2023-10-27
11	202317073268-FORM 3 [02-02-2024(online)].pdf	2024-02-02