Title:
STEEL SHEET FOR HOT PRESS FORMED MEMBER HAVING EXCELLENT PLATING ADHESION, AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2018/221991
Kind Code:
A1
Abstract:
The present invention relates to a steel sheet for a hot press formed member having excellent plating adhesion, and a method for manufacturing the same. A steel sheet for hot press forming according to one aspect of the present invention is an aluminum alloy plated steel sheet, wherein an average Fe content within a plated layer may be 40 wt% or more, and a concentration gradient of a section having a Fe content of 45-80% within the plated layer may be 7 wt%/μm or less in a result of GDS analysis in the thickness direction from a surface of the plated layer.
Inventors:
KIM SEONG-WOO (KR)
OH JIN-KEUN (KR)
CHO A-RA (KR)
SHIN HYEON-JEONG (KR)
OH JIN-KEUN (KR)
CHO A-RA (KR)
SHIN HYEON-JEONG (KR)
Application Number:
PCT/KR2018/006258
Publication Date:
December 06, 2018
Filing Date:
May 31, 2018
Export Citation:
Assignee:
POSCO (KR)
International Classes:
B21D35/00; B21D22/02; C23C26/00
Foreign References:
| KR101696121B1 | 2017-01-13 | |||
| KR101536703B1 | 2015-07-14 | |||
| KR101569505B1 | 2015-11-30 | |||
| JP2004043887A | 2004-02-12 | |||
| KR20130002227A | 2013-01-07 | |||
| US6296805B1 | 2001-10-02 |
Other References:
See also references of EP 3632586A4
Attorney, Agent or Firm:
C&S PATENT AND LAW OFFICE (KR)
Download PDF: