Title:
HIGHLY THICK STEEL MATERIAL HAVING EXCELLENT LOW-TEMPERATURE IMPACT TOUGHNESS AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2022/139191
Kind Code:
A1
Abstract:
The present invention relates to a highly thick steel material and a manufacturing method therefor and, more specifically, to a highly thick steel material that exhibits excellent low-temperature impact toughness after long-term PWHT although the steel sheet is thick, and a manufacturing method therefor.
Inventors:
KIM DAE-WOO (KR)
Application Number:
PCT/KR2021/017015
Publication Date:
June 30, 2022
Filing Date:
November 18, 2021
Export Citation:
Assignee:
POSCO (KR)
International Classes:
C22C38/58; C21D8/00; C22C38/42; C22C38/44; C22C38/46; C22C38/50
Foreign References:
| KR20200076829A | 2020-06-30 | |||
| KR20200066512A | 2020-06-10 | |||
| JPH1171615A | 1999-03-16 | |||
| KR20130076570A | 2013-07-08 | |||
| KR101736638B1 | 2017-05-30 | |||
| KR20120075246A | 2012-07-06 | |||
| JPH09256037A | 1997-09-30 |
Attorney, Agent or Firm:
C&S PATENT AND LAW OFFICE (KR)
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