Hot Stamp Molded Body

Abstract: The present invention provides a hot stamp molded body which is provided with a steel sheet, wherein: the steel sheet has a specific chemical composition; the average B concentration in a region ranging from the depth of 5 µm from the surface of the steel sheet to the depth of 25 µm from the surface is not more than 0.700 times the B concentration at the depth of 100 µm from the surface; and the average O concentration in a region ranging from the surface of the steel sheet to the depth of 0.5 µm from the surface is 4.000% by mass or less.

Patent Information

Application #

Filing Date

18 September 2024

Publication Number

06/2025

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. HAGA Jun

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

Specification

Documents

Application Documents

#	Name	Date
1	202417070556-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [18-09-2024(online)].pdf	2024-09-18
2	202417070556-STATEMENT OF UNDERTAKING (FORM 3) [18-09-2024(online)].pdf	2024-09-18
3	202417070556-REQUEST FOR EXAMINATION (FORM-18) [18-09-2024(online)].pdf	2024-09-18
4	202417070556-PROOF OF RIGHT [18-09-2024(online)].pdf	2024-09-18
5	202417070556-PRIORITY DOCUMENTS [18-09-2024(online)].pdf	2024-09-18
6	202417070556-POWER OF AUTHORITY [18-09-2024(online)].pdf	2024-09-18
7	202417070556-FORM 18 [18-09-2024(online)].pdf	2024-09-18
8	202417070556-FORM 1 [18-09-2024(online)].pdf	2024-09-18
9	202417070556-DRAWINGS [18-09-2024(online)].pdf	2024-09-18
10	202417070556-DECLARATION OF INVENTORSHIP (FORM 5) [18-09-2024(online)].pdf	2024-09-18
11	202417070556-COMPLETE SPECIFICATION [18-09-2024(online)].pdf	2024-09-18
12	202417070556-FORM 3 [12-02-2025(online)].pdf	2025-02-12