Title:
HOT-DIP GALVANIZED STEEL SHEET WITH EXCELLENT SURFACE QUALITY AND RESISTANCE TO LOW TEMPERATURE BRITTLE FRACTURE
Document Type and Number:
WIPO Patent Application WO/2017/111484
Kind Code:
A1
Abstract:
Disclosed is a hot-dip galvanized steel sheet comprising a base steel sheet and a hot-dip galvanized layer formed on the base steel sheet, wherein the hot-dip galvanized layer comprises, as a microstructure, a Zn single-phase structure having an average equivalent circle diameter of 120 μm or less, and the Zn single-phase structure having a crystalline structure, in which a {0001} plane of the Zn single-phase structure is parallel to the surface of the steel sheet, has a surface integral of 70% or less.
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Inventors:
KIM SANG-HEON (KR)
Application Number:
PCT/KR2016/015075
Publication Date:
June 29, 2017
Filing Date:
December 22, 2016
Export Citation:
Assignee:
POSCO (KR)
International Classes:
C23C2/06; C22C18/00; C22C18/04; C22C38/00; C23C2/40
Foreign References:
| KR100742832B1 | 2007-07-25 | |||
| KR20150073316A | 2015-07-01 | |||
| KR20010061451A | 2001-07-07 | |||
| KR20000045528A | 2000-07-15 | |||
| KR20010057547A | 2001-07-04 | |||
| KR100742832B1 | 2007-07-25 |
Other References:
See also references of EP 3396008A4
Attorney, Agent or Firm:
C&S PATENT AND LAW OFFICE (KR)
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