Invention Grant
- Patent Title: Coated steel member, coated steel sheet, and methods for manufacturing same
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Application No.: US17845446Application Date: 2022-06-21
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Publication No.: US11618933B2Publication Date: 2023-04-04
- Inventor: Shinichiro Tabata
- Applicant: NIPPON STEEL CORPORATION
- Applicant Address: JP Tokyo
- Assignee: NIPPON STEEL CORPORATION
- Current Assignee: NIPPON STEEL CORPORATION
- Current Assignee Address: JP Tokyo
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: JP2019-018995 20190205
- Main IPC: C21D9/46
- IPC: C21D9/46 ; B32B15/01 ; C21D6/00 ; C21D8/02 ; C22C21/00 ; C22C38/00 ; C22C38/02 ; C22C38/04 ; C22C38/06 ; C22C38/24 ; C22C38/42 ; C22C38/44 ; C22C38/48 ; C22C38/50 ; C22C38/54 ; C23C2/12 ; C23C2/40 ; C23G1/08
Abstract:
The present invention has as its object the provision of a coated steel member and coated steel sheet excellent in hydrogen embrittlement resistance in a corrosive environment and methods for manufacturing the same. The coated steel member of the present invention is provided on its surface with an Al—Fe-based coating containing Cu and one or more of Mo, Ni, Mn, and Cr in a total by mass % of 0.12% or more by heating, cooling, and manufacturing a coated steel sheet having a layer containing Cu on its surface under predetermined conditions.
Public/Granted literature
- US20220325371A1 COATED STEEL MEMBER, COATED STEEL SHEET, AND METHODS FOR MANUFACTURING SAME Public/Granted day:2022-10-13
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