Title:
STEEL SHEET FOR HOT PRESS FORMED MEMBER HAVING EXCELLENT PAINTING ADHESION AND POST-PAINTING CORROSION RESISTANCE, AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2018/221992
Kind Code:
A1
Abstract:
The present invention relates to a steel sheet for a hot press formed member having excellent painting adhesion and post-painting corrosion resistance, and a method for manufacturing the same. A steel sheet for hot press forming according to one aspect of the present invention comprises a base steel sheet and a plated layer formed on a surface of the base steel sheet, wherein the ratio of an area occupied by pores to the entire area of a surface layer portion may be 10% or more in a cross section of the surface layer portion observed when the plated layer is cut in a thickness direction thereof.
Inventors:
OH JIN-KEUN (KR)
KIM SEONG-WOO (KR)
SHIN HYEON-JEONG (KR)
CHO A-RA (KR)
KIM SEONG-WOO (KR)
SHIN HYEON-JEONG (KR)
CHO A-RA (KR)
Application Number:
PCT/KR2018/006259
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 | |||
| KR20150073021A | 2015-06-30 | |||
| US6296805B1 | 2001-10-02 |
Other References:
See also references of EP 3632587A4
Attorney, Agent or Firm:
C&S PATENT AND LAW OFFICE (KR)
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