Title:
STEEL SHEET FOR HOT PRESSING
Document Type and Number:
WIPO Patent Application WO/2020/049832
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a steel sheet for hot pressing that has excellent galling resistance and that slides more easily during hot press molding. A steel sheet for hot pressing that: has a Zn alloy plating layer that is at the surface of the steel sheet, there being no more than 120 g/m2 of plating per side; and has a metal oxide layer that is at the surface of the Zn alloy plating layer and comprises a metal oxide that has a melting point above 900°C.
Inventors:
TANAKA MINORU (JP)
TAKASHIMA KATSUTOSHI (JP)
ANDO SATORU (JP)
NAGATAKI YASUNOBU (JP)
TAKASHIMA KATSUTOSHI (JP)
ANDO SATORU (JP)
NAGATAKI YASUNOBU (JP)
Application Number:
PCT/JP2019/024470
Publication Date:
March 12, 2020
Filing Date:
June 20, 2019
Export Citation:
Assignee:
JFE STEEL CORP (JP)
International Classes:
C23C28/00; B21D22/20; C22C18/00; C22C38/00; C22C38/04; C22C38/60; C23C2/06; C25D5/26
Domestic Patent References:
| WO2013132816A1 | 2013-09-12 | |||
| WO2016063467A1 | 2016-04-28 |
Foreign References:
| JP2010090462A | 2010-04-22 | |||
| JP2010090463A | 2010-04-22 | |||
| JP2010090464A | 2010-04-22 | |||
| JP2014040628A | 2014-03-06 | |||
| JPH05214544A | 1993-08-24 | |||
| JP2009235430A | 2009-10-15 |
Attorney, Agent or Firm:
KUMASAKA Akira et al. (JP)
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