Invention Application
- Patent Title: STEEL MATERIAL HAVING EXCELLENT HYDROGEN INDUCED CRACKING RESISTANCE, AND MANUFACTURING METHOD THEREFOR
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Application No.: US17297834Application Date: 2019-11-19
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Publication No.: US20220010403A1Publication Date: 2022-01-13
- Inventor: Dae-Woo Kim
- Applicant: POSCO
- Applicant Address: KR Pohang-si, Gyeongsangbuk-do
- Assignee: POSCO
- Current Assignee: POSCO
- Current Assignee Address: KR Pohang-si, Gyeongsangbuk-do
- Priority: KR10-2018-0150704 20181129
- International Application: PCT/KR2019/015845 WO 20191119
- Main IPC: C21D9/46
- IPC: C21D9/46 ; C21D8/02 ; C21D1/28 ; C21D6/00 ; C22C38/50 ; C22C38/48 ; C22C38/46 ; C22C38/44 ; C22C38/42 ; C22C38/06 ; C22C38/04 ; C22C38/02 ; C22C38/00
Abstract:
The present invention relates to a steel material for a pressure vessel, which is used in a hydrogen sulfide atmosphere, and, more specifically, to a steel material having excellent hydrogen induced cracking (HIC) resistance, and a manufacturing method therefor.
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