Title:
PLATED STEEL SHEET
Document Type and Number:
WIPO Patent Application WO/2020/241475
Kind Code:
A1
Abstract:
A plated steel sheet according to one embodiment of the present invention comprises a base material steel sheet having a base material texture on the surface, a galvanized layer formed on the surface having the base material texture of the base material steel sheet, and a colored resin layer formed on the surface of the galvanized layer, wherein a plating texture is formed on the surface of the galvanized layer, the colored resin layer includes a colorant, the plating texture has a plurality of protrusions and a plurality of depressions, the depression bottom three-dimensional average roughness Sas is more than 200 nm and equal to or less than 2000 nm, DKmin × CK is 15.0 or less, and (DKmax - DKmin) × CK is greater than 1.0. A plated steel sheet according to another embodiment of the present invention includes a base material steel sheet, a galvanized layer formed on the surface of the base material steel sheet, and a colored resin layer formed on the galvanized layer, wherein a texture extending in one direction is formed on the surface of the galvanized layer, the colored resin layer includes a colorant, the three-dimensional average roughness Saave' is more than 5 nm and equal to or less than 200 nm, and DKmin' × CK' is 15.0 or less, and (DKmax' - DKmin') × CK' is larger than 1.0.
Inventors:
FUTABA TAKASHI (JP)
GOTO YASUTO (JP)
SHIBAO FUMIO (JP)
KUME KURUMI (JP)
YOKOMICHI TAKUYA (JP)
MIYATA TAKUYA (JP)
GOTO YASUTO (JP)
SHIBAO FUMIO (JP)
KUME KURUMI (JP)
YOKOMICHI TAKUYA (JP)
MIYATA TAKUYA (JP)
Application Number:
PCT/JP2020/020241
Publication Date:
December 03, 2020
Filing Date:
May 22, 2020
Export Citation:
Assignee:
NIPPON STEEL CORP (JP)
International Classes:
B32B27/20; B32B15/08; B32B15/18; C23C28/00; C25D5/26
Domestic Patent References:
| WO2019074102A1 | 2019-04-18 | |||
| WO2018230716A1 | 2018-12-20 | |||
| WO2013176219A1 | 2013-11-28 | |||
| WO2019194229A1 | 2019-10-10 |
Foreign References:
| JP2005206870A | 2005-08-04 | |||
| JP2004202988A | 2004-07-22 | |||
| JP2006124824A | 2006-05-18 | |||
| JP3192959U | 2014-09-11 | |||
| JP2005023427A | 2005-01-27 | |||
| US20190054716A1 | 2019-02-21 | |||
| EP3205408A1 | 2017-08-16 |
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
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