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Flash Butt Welding Member And Flash Butt Welding Method
Abstract: Provided are a flash butt bonding member and a welding method. The present invention relates to a bonding member having a bonding portion obtained by flash-butt-welding a steel plate and, more particularly, to a bonding member having excellent processability and a welding method, characterized in that the difference in average effective crystal grain diameter between a coarse crystal grain thermally affected portion and a fine crystal grain thermally affected portion formed on one of the left and right sides with reference to a bonding line of the bonding portion is 10µm or less.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
01 May 2025
Publication Number
49/2025
Publication Type
INA
Invention Field
MECHANICAL ENGINEERING
Status
Email
Parent Application
Applicants
POSCO CO., LTD
6261, Donghaean-ro, Nam-gu,
Pohang-si,
Gyeongsangbuk-do 37859
Inventors
1. BAE, Gyu-Yeol
100, Songdogwahak-ro
Yeonsu-gu,
Incheon 21985
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202517042369-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [01-05-2025(online)].pdf | 2025-05-01 |
| 2 | 202517042369-STATEMENT OF UNDERTAKING (FORM 3) [01-05-2025(online)].pdf | 2025-05-01 |
| 3 | 202517042369-REQUEST FOR EXAMINATION (FORM-18) [01-05-2025(online)].pdf | 2025-05-01 |
| 4 | 202517042369-PROOF OF RIGHT [01-05-2025(online)].pdf | 2025-05-01 |
| 5 | 202517042369-PRIORITY DOCUMENTS [01-05-2025(online)].pdf | 2025-05-01 |
| 6 | 202517042369-POWER OF AUTHORITY [01-05-2025(online)].pdf | 2025-05-01 |
| 7 | 202517042369-NOTIFICATION OF INT. APPLN. NO. & FILING DATE (PCT-RO-105-PCT Pamphlet) [01-05-2025(online)].pdf | 2025-05-01 |
| 8 | 202517042369-FORM 18 [01-05-2025(online)].pdf | 2025-05-01 |
| 9 | 202517042369-FORM 1 [01-05-2025(online)].pdf | 2025-05-01 |
| 10 | 202517042369-FIGURE OF ABSTRACT [01-05-2025(online)].pdf | 2025-05-01 |
| 11 | 202517042369-DRAWINGS [01-05-2025(online)].pdf | 2025-05-01 |
| 12 | 202517042369-DECLARATION OF INVENTORSHIP (FORM 5) [01-05-2025(online)].pdf | 2025-05-01 |
| 13 | 202517042369-COMPLETE SPECIFICATION [01-05-2025(online)].pdf | 2025-05-01 |
| 14 | 202517042369-FORM-26 [25-07-2025(online)].pdf | 2025-07-25 |
| 15 | 202517042369-FORM 3 [03-10-2025(online)].pdf | 2025-10-03 |