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Patent Searching and Data


Title:
PROCESS FOR PRODUCTION OF HOT-PRESSED MEMBER
Document Type and Number:
WIPO Patent Application WO/2012/074132
Kind Code:
A1
Abstract:
Provided is a process for producing a hot-pressed member which can keep corrosion resistance after coating. The process for producing a hot-pressed member is characterized by heating a steel sheet at a temperature ranging from 200-800°C and then subjecting the heated steel sheet to hot press molding at the aforementioned temperature, wherein the steel sheet has, on the surface thereof, a Zn-Ni alloy plating layer which comprises 10-25 mass% of Ni and a remainder made up by Zn and unavoidable impurities, wherein the alloy plating layer is attached in an amount of 10-90 g/m2.

Inventors:
NAKAJIMA SEIJI (JP)
MIYOSHI TATSUYA (JP)
NAKAMARU HIROKI (JP)
Application Number:
PCT/JP2011/078225
Publication Date:
June 07, 2012
Filing Date:
November 30, 2011
Export Citation:
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Assignee:
JFE STEEL CORP (JP)
NAKAJIMA SEIJI (JP)
MIYOSHI TATSUYA (JP)
NAKAMARU HIROKI (JP)
International Classes:
C25D5/26; B21D22/20; C21D9/46; C22C18/00; C22C19/03; C22C38/00; C22C38/06; C22C38/60; C23C28/00
Foreign References:
JP2005113233A2005-04-28
JP2003073774A2003-03-12
JP2003129209A2003-05-08
JP2000015741A2000-01-18
JP2010090462A2010-04-22
JP2010090464A2010-04-22
JP2010090463A2010-04-22
JP2010242196A2010-10-28
JPH0347987A1991-02-28
JP3962186B22007-08-22
JP2001314923A2001-11-13
JP2007308744A2007-11-29
Other References:
See also references of EP 2647739A4
Attorney, Agent or Firm:
OCHIAI, Kenichiro (JP)
Ken-ichiro Ochiai (JP)
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Claims: