Title:
METHOD FOR PRODUCING BLACK-PLATED STEEL SHEET, AND METHOD FOR PRODUCING MOLDED ARTICLE OF BLACK-PLATED STEEL SHEET
Document Type and Number:
WIPO Patent Application WO/2013/161269
Kind Code:
A1
Abstract:
The present invention pertains to a method for producing a black-plated steel sheet capable of being blackened in a short amount of time, and exhibiting an excellent ability to maintain a black appearance after processing. As an original sheet, the sheet used is a Zn-plating steel sheet which contains molten Al and Mg and has a Zn-plating layer containing molten Al and Mg, containing Al in the amount of 0.1-22.0 mass%, inclusive, and containing Mg in the amount of 0.1-1.5 mass%, inclusive. The plating layer is blackened by causing the molten-plating steel sheet to contact water vapor inside a tightly sealed container. When doing so, the concentration of oxygen inside the tightly sealed container is 13% or less.
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Inventors:
NAKANO TADASHI
YAMAMOTO MASAYA
TAKETSU HIROFUMI
YAMAMOTO MASAYA
TAKETSU HIROFUMI
Application Number:
PCT/JP2013/002718
Publication Date:
October 31, 2013
Filing Date:
April 23, 2013
Export Citation:
Assignee:
NISSHIN STEEL CO LTD (JP)
International Classes:
B32B9/00; C23C28/00; B32B15/01; B32B15/095; C22C18/00; C22C18/04; C23C2/06; C23C8/16
Foreign References:
JPS6456881A | 1989-03-03 | |||
JP2012067369A | 2012-04-05 | |||
JP2000104154A | 2000-04-11 | |||
JP2005008953A | 2005-01-13 | |||
JPS6456881A | 1989-03-03 |
Other References:
See also references of EP 2843081A4
Attorney, Agent or Firm:
WASHIDA, KIMIHITO (JP)
Koichi Washida (JP)
Koichi Washida (JP)
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