Invention Grant
- Patent Title: Steel sheet for hot press-forming
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Application No.: US14901147Application Date: 2014-05-13
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Publication No.: US10093077B2Publication Date: 2018-10-09
- Inventor: Seiji Nakajima , Minako Morimoto , Satoru Ando
- Applicant: JFE STEEL CORPORATION
- Applicant Address: JP Tokyo
- Assignee: JFE Steel Corporation
- Current Assignee: JFE Steel Corporation
- Current Assignee Address: JP Tokyo
- Agency: RatnerPrestia
- Priority: JP2013-132248 20130625
- International Application: PCT/JP2014/002505 WO 20140513
- International Announcement: WO2014/207982 WO 20141231
- Main IPC: B32B15/18
- IPC: B32B15/18 ; B32B15/01 ; C21D7/13 ; C21D1/673 ; C25D5/14 ; C25D5/50 ; C25D7/06 ; C22C18/00 ; C22C19/03 ; C22C38/00 ; C22C38/02 ; C22C38/04 ; C22C38/06 ; C22C38/28 ; C22C38/32 ; C22C38/60 ; C21D1/00 ; C25D3/12 ; C25D3/56

Abstract:
A steel sheet for hot press-forming having a first coating layer on a surface of the steel sheet, containing 60% or more by mass Ni and a remainder composed of Zn and incidental impurities, a coating mass thereof being more than 5 g/m2 and 50 g/m2 or less per side, and a second coating layer on the first coating layer, containing 10% to 25% by mass Ni and a remainder composed of Zn and incidental impurities, a coating mass thereof being 10 to 90 g/m2 per side.
Public/Granted literature
- US20160144600A1 STEEL SHEET FOR HOT PRESS-FORMING (AS AMENDED) Public/Granted day:2016-05-26
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