Steel Plate

Abstract: The present disclosure provides a high-strength steel plate having an improved post-molding appearance. The steel plate of the present disclosure has a specific chemical composition and is characterized by comprising a metal structure that includes 75-97% of ferrite and 3-25% of a hard phase in terms of area, the standard deviation of the hard phase percentage for the rolling right-angle direction being 0.75% or less.

Patent Information

Application #

Filing Date

22 November 2024

Publication Number

51/2024

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. HIRONAKA, Satoshi

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

2. NAKANO, Katsuya

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

3. NAGANO, Mai

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

Specification

Documents

Application Documents

#	Name	Date
1	202417091179-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [22-11-2024(online)].pdf	2024-11-22
2	202417091179-STATEMENT OF UNDERTAKING (FORM 3) [22-11-2024(online)].pdf	2024-11-22
3	202417091179-PROOF OF RIGHT [22-11-2024(online)].pdf	2024-11-22
4	202417091179-PRIORITY DOCUMENTS [22-11-2024(online)].pdf	2024-11-22
5	202417091179-POWER OF AUTHORITY [22-11-2024(online)].pdf	2024-11-22
6	202417091179-FORM 1 [22-11-2024(online)].pdf	2024-11-22
7	202417091179-DECLARATION OF INVENTORSHIP (FORM 5) [22-11-2024(online)].pdf	2024-11-22
8	202417091179-COMPLETE SPECIFICATION [22-11-2024(online)].pdf	2024-11-22
9	202417091179-FORM 18 [24-02-2025(online)].pdf	2025-02-24
10	202417091179-FORM 3 [17-04-2025(online)].pdf	2025-04-17