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Steel Sheet, Tailored Blank, Hot Stamped Product, Steel Pipe, Hollow Hot Stamped Product, Method Of Manufacturing Steel Sheet, Method Of Manufacturing Tailored Blank, Method Of Manufacturing Hot Stamped Product, Method Of Manufacturing Steel Pipe, And Method Of Manufacturing Hollow Hot Stamped Product

Abstract: A tailored blank (300) comprising: a first weld metal portion (150); and one steel sheet portion connected to another steel sheet portion through the first weld metal portion (150), wherein the one steel sheet portion includes a steel sheet (100, 102, 103, 104, 110, 120, 200) first coated portion (26, 126) in which an intermetallic compound layer (16, 116) and an aluminum coating layer (14, 114) are provided on a surface of a base steel sheet (12, 112, 212, 512) in order from the base steel sheet (12, 112, 212, 512) side, and a first exposed portion (22, 122) in which the base steel sheet (12, 112, 212, 512) is exposed, in each of the steel sheet portions, in a second direction (F3) which is perpendicular to a thickness direction of each of the steel sheet portions and is directed from the first coated portion (26, 126) to the first weld metal portion (150), the first coated portion (26, 126), the first exposed portion (22, 122), and the first weld metal portion (150) are disposed in this order on the same plane on both surfaces of the base steel sheet (12, 112, 212, 512), and a concentration of aluminum of the first weld metal portion (150) is higher than a concentration of aluminum of the steel sheet portion.

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Notices, Deadlines & Correspondence

Patent Information

Application #
Filing Date
14 May 2024
Publication Number
49/2024
Publication Type
INA
Invention Field
MECHANICAL ENGINEERING
Status
Email
Parent Application

Applicants

NIPPON STEEL CORPORATION
6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071, Japan

Inventors

1. FUJIMOTO Hiroki
c/o NIPPON STEEL CORPORATION, 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071, Japan
2. YASUYAMA Masanori
c/o NIPPON STEEL CORPORATION, 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071, Japan
3. TATSUMI Yujiro
c/o NIPPON STEEL CORPORATION, 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071, Japan
4. FUKUCHI Hiroshi
c/o NIPPON STEEL CORPORATION, 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071, Japan
5. KOBAYASHI Shintaro
c/o NIPPON STEEL CORPORATION, 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071, Japan
6. FUJITA Soshi
c/o NIPPON STEEL CORPORATION, 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071, Japan
7. ZENIYA Tasuku
c/o NIPPON STEEL CORPORATION, 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071, Japan
8. SUZUKI Yuki
c/o NIPPON STEEL CORPORATION, 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071, Japan
9. ISHIDA Yoshinari
c/o NIPPON STEEL CORPORATION, 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071, Japan

Specification

Description:Enclosed , Claims:Enclosed

Documents

Application Documents

# Name Date
1 202418037744-STATEMENT OF UNDERTAKING (FORM 3) [14-05-2024(online)].pdf 2024-05-14
2 202418037744-REQUEST FOR EXAMINATION (FORM-18) [14-05-2024(online)].pdf 2024-05-14
3 202418037744-PROOF OF RIGHT [14-05-2024(online)].pdf 2024-05-14
4 202418037744-PRIORITY DOCUMENTS [14-05-2024(online)].pdf 2024-05-14
5 202418037744-POWER OF AUTHORITY [14-05-2024(online)].pdf 2024-05-14
6 202418037744-FORM 18 [14-05-2024(online)].pdf 2024-05-14
7 202418037744-FORM 1 [14-05-2024(online)].pdf 2024-05-14
8 202418037744-FIGURE OF ABSTRACT [14-05-2024(online)].pdf 2024-05-14
9 202418037744-DRAWINGS [14-05-2024(online)].pdf 2024-05-14
10 202418037744-DECLARATION OF INVENTORSHIP (FORM 5) [14-05-2024(online)].pdf 2024-05-14
11 202418037744-COMPLETE SPECIFICATION [14-05-2024(online)].pdf 2024-05-14
12 202418037744-FORM 3 [17-10-2024(online)].pdf 2024-10-17