Thin Steel Sheet

Abstract: The present invention provides a thin steel sheet which has a chemical composition that satisfies 0.0001 = (Sn) + 0.3(Cu) + 0.1(Cr) = 0.2000 (wherein (Sn), (Cu) and (Cr) respectively represent the contents (mass%) of Sn, Cu and Cr), while having an oxide film that has a thickness of 50 nm or less on the surface, wherein if the oxide film is measured by means of an FT-IR reflection method, A/C < 0.30 and B/C < 3.0 (wherein A represents the area of a peak associated with SiO2, B represents the area of a peak associated with MnSiO3 and C represents the area of a peak associated with Mn2SiO4) are satisfied.

Patent Information

Application #

Filing Date

10 May 2023

Publication Number

30/2024

Publication Type

INA

Invention Field

CHEMICAL

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. FUKUI, Masaharu

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

Specification

Documents

Application Documents

#	Name	Date
1	202317033078-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [10-05-2023(online)].pdf	2023-05-10
2	202317033078-STATEMENT OF UNDERTAKING (FORM 3) [10-05-2023(online)].pdf	2023-05-10
3	202317033078-PROOF OF RIGHT [10-05-2023(online)].pdf	2023-05-10
4	202317033078-POWER OF AUTHORITY [10-05-2023(online)].pdf	2023-05-10
5	202317033078-NOTIFICATION OF INT. APPLN. NO. & FILING DATE (PCT-RO-105-PCT Pamphlet) [10-05-2023(online)].pdf	2023-05-10
6	202317033078-FORM 1 [10-05-2023(online)].pdf	2023-05-10
7	202317033078-DRAWINGS [10-05-2023(online)].pdf	2023-05-10
8	202317033078-DECLARATION OF INVENTORSHIP (FORM 5) [10-05-2023(online)].pdf	2023-05-10
9	202317033078-COMPLETE SPECIFICATION [10-05-2023(online)].pdf	2023-05-10
10	202317033078.pdf	2023-05-13
11	202317033078-FORM 3 [01-09-2023(online)].pdf	2023-09-01
12	202317033078-FORM 18 [23-01-2025(online)].pdf	2025-01-23