Invention Grant
- Patent Title: Thick steel plate having excellent cryogenic impact toughness and manufacturing method therefor
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Application No.: US16472246Application Date: 2017-12-20
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Publication No.: US11649515B2Publication Date: 2023-05-16
- Inventor: Mo-Chang Kang , Jong-In Choi
- Applicant: POSCO
- Applicant Address: KR Pohang-si
- Assignee: POSCO CO., LTD
- Current Assignee: POSCO CO., LTD
- Current Assignee Address: KR Pohang-si
- Agency: Morgan, Lewis & Bockius LLP
- Priority: KR 20160176513 2016.12.22
- International Application: PCT/KR2017/015134 2017.12.20
- International Announcement: WO2018/117646A 2018.06.28
- Date entered country: 2019-06-21
- Main IPC: C21D8/02
- IPC: C21D8/02 ; C21D6/00 ; C22C38/58 ; C22C38/50 ; C22C38/46 ; C22C38/48 ; C22C38/02 ; C22C38/00
Abstract:
The purpose of one aspect of the present invention is to provide: a thick steel plate capable of removing a conventional normalizing treatment required for ensuring toughness low temperature and cryogenic environments, and having properties equal to or better than those of a conventional steel subjected to the normalizing treatment; and a method for manufacturing the method.
Public/Granted literature
- US20190316219A1 THICK STEEL PLATE HAVING EXCELLENT CRYOGENIC IMPACT TOUGHNESS AND MANUFACTURING METHOD THEREFOR Public/Granted day:2019-10-17
Information query
