Title:
PLATED CHECKERED STEEL PLATE
Document Type and Number:
WIPO Patent Application WO/2024/048665
Kind Code:
A1
Abstract:
A plated checkered steel plate comprising, on one plate surface, a base checkered steel plate provided with protruding parts having a height of 3 mm or less and flat parts, a plating layer including a zinc-based alloy layer arranged on the plate surface of the base checkered steel plate where the protruding parts and flat parts are provided, and a chemical conversion coating layer provided on the surface of the plating layer, wherein the film thickness of the chemical conversion coating layer on the flat parts of the base checkered steel plate is 0.10 to 5.00 μm per side, and the film thickness ratio of the chemical conversion coating layer on the protruding parts and the flat parts of the base checkered steel plate (film thickness of the chemical conversion coating layer on the flat parts/film thickness of the chemical conversion coating layer on the protruding parts) is 0.2 to 5.0.
Inventors:
SAITO MAMORU (JP)
GOTO YASUTO (JP)
NAKABAYASHI RYOTA (JP)
MORIMOTO TATSUYOSHI (JP)
GOTO YASUTO (JP)
NAKABAYASHI RYOTA (JP)
MORIMOTO TATSUYOSHI (JP)
Application Number:
PCT/JP2023/031581
Publication Date:
March 07, 2024
Filing Date:
August 30, 2023
Export Citation:
Assignee:
NIPPON STEEL CORP (JP)
International Classes:
C23C28/00; C23C2/06
Domestic Patent References:
| WO2018062341A1 | 2018-04-05 | |||
| WO2015147301A1 | 2015-10-01 |
Foreign References:
| JP2001303262A | 2001-10-31 | |||
| JP2002356760A | 2002-12-13 | |||
| JP2009057585A | 2009-03-19 | |||
| JP2022060749A | 2022-04-15 |
Attorney, Agent or Firm:
TAIYO, NAKAJIMA & KATO (JP)
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