Hot Stamp Formed Article

Abstract: This hot-stamp-formed article has a specified chemical composition, in which the standard deviation of crystal grain diameters of prior austenite grains in an internal region is 5.0 µm or less, the area ratio of bainite in a surface layer region is more than 10%, the maximum value of a pole density in a texture is 4.0 or less, and the de-B index is 0.05 or more.

Patent Information

Application #

Filing Date

09 July 2024

Publication Number

51/2024

Publication Type

INA

Invention Field

MECHANICAL ENGINEERING

Status

Email

Parent Application

Applicants

NIPPON STEEL CORPORATION

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

Inventors

1. TODA Yuri

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

2. FUJINAKA Shingo

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

3. HAGA Jun

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

4. ASADA Yuma

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

Specification

Documents

Application Documents

#	Name	Date
1	202417052469-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [09-07-2024(online)].pdf	2024-07-09
2	202417052469-STATEMENT OF UNDERTAKING (FORM 3) [09-07-2024(online)].pdf	2024-07-09
3	202417052469-REQUEST FOR EXAMINATION (FORM-18) [09-07-2024(online)].pdf	2024-07-09
4	202417052469-PROOF OF RIGHT [09-07-2024(online)].pdf	2024-07-09
5	202417052469-PRIORITY DOCUMENTS [09-07-2024(online)].pdf	2024-07-09
6	202417052469-POWER OF AUTHORITY [09-07-2024(online)].pdf	2024-07-09
7	202417052469-NOTIFICATION OF INT. APPLN. NO. & FILING DATE (PCT-RO-105-PCT Pamphlet) [09-07-2024(online)].pdf	2024-07-09
8	202417052469-FORM 18 [09-07-2024(online)].pdf	2024-07-09
9	202417052469-FORM 1 [09-07-2024(online)].pdf	2024-07-09
10	202417052469-DRAWINGS [09-07-2024(online)].pdf	2024-07-09
11	202417052469-DECLARATION OF INVENTORSHIP (FORM 5) [09-07-2024(online)].pdf	2024-07-09
12	202417052469-COMPLETE SPECIFICATION [09-07-2024(online)].pdf	2024-07-09
13	202417052469-FORM 3 [03-12-2024(online)].pdf	2024-12-03