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Steel Welded Member
Abstract: This steel welded member is obtained by joining, via at least one spot welded part, multiple Zn-plated steel materials having a Zn plating layer at the steel material surface. The steel material contains, by mass%, C: 0.05 to 0.40%, Si: 0.2 to 3.0%, and Mn: 0.1 to 5.0%. The steel material includes, by surface area percentage, 20% to 80% G phase (Fe3Zn10) within a region of 0.5 mm from the edge of a pressure welded part of the spot welded part, and contains one or more oxides having a major axis of 0.5 µm or greater.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
25 October 2023
Publication Number
36/2024
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. MITSUNOBU, Takuya
c/o NIPPON STEEL CORPORATION, 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo
1008071
2. MATSUDA, Keitaro
c/o NIPPON STEEL CORPORATION, 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo
1008071
3. MAKI, Jun
c/o NIPPON STEEL CORPORATION, 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo
1008071
4. TAKAHASHI, Takehiro
c/o NIPPON STEEL CORPORATION, 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo
1008071
5. TAKEBAYASHI, Hiroshi
c/o NIPPON STEEL CORPORATION, 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo
1008071
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202317072619-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [25-10-2023(online)].pdf | 2023-10-25 |
| 2 | 202317072619-STATEMENT OF UNDERTAKING (FORM 3) [25-10-2023(online)].pdf | 2023-10-25 |
| 3 | 202317072619-REQUEST FOR EXAMINATION (FORM-18) [25-10-2023(online)].pdf | 2023-10-25 |
| 4 | 202317072619-PROOF OF RIGHT [25-10-2023(online)].pdf | 2023-10-25 |
| 5 | 202317072619-POWER OF AUTHORITY [25-10-2023(online)].pdf | 2023-10-25 |
| 6 | 202317072619-NOTIFICATION OF INT. APPLN. NO. & FILING DATE (PCT-RO-105-PCT Pamphlet) [25-10-2023(online)].pdf | 2023-10-25 |
| 7 | 202317072619-FORM 18 [25-10-2023(online)].pdf | 2023-10-25 |
| 8 | 202317072619-FORM 1 [25-10-2023(online)].pdf | 2023-10-25 |
| 9 | 202317072619-DRAWINGS [25-10-2023(online)].pdf | 2023-10-25 |
| 10 | 202317072619-DECLARATION OF INVENTORSHIP (FORM 5) [25-10-2023(online)].pdf | 2023-10-25 |
| 11 | 202317072619-COMPLETE SPECIFICATION [25-10-2023(online)].pdf | 2023-10-25 |
| 12 | 202317072619-FORM 3 [06-02-2024(online)].pdf | 2024-02-06 |