- Patent Title: High-strength steel material having excellent low-temperature strain aging impact properties and welding heat-affected zone impact properties and method for manufacturing same
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Application No.: US16061538Application Date: 2016-12-15
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Publication No.: US11136653B2Publication Date: 2021-10-05
- Inventor: Kyung-Keun Um , Woo-Gyeom Kim
- Applicant: POSCO
- Applicant Address: KR Pohang-si
- Assignee: POSCO
- Current Assignee: POSCO
- Current Assignee Address: KR Pohang-si
- Agency: Morgan, Lewis & Bockius LLP
- Priority: KR10-2015-0178988 20151215
- International Application: PCT/KR2016/014730 WO 20161215
- International Announcement: WO2017/105107 WO 20170622
- Main IPC: C22C38/00
- IPC: C22C38/00 ; C22C38/02 ; C22C38/06 ; C21D8/02 ; C21D9/46 ; C22C38/58 ; C22C38/50 ; C22C38/48 ; C22C38/46 ; C22C38/42 ; C22C38/44
Abstract:
The present invention relates to a steel material for pressure vessels, offshore structures and the like and, more specifically, to a high-strength steel material having excellent low-temperature strain aging impact properties and a method for manufacturing same.
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