PLATED STEEL MATERIAL, COATED STEEL MATERIAL, AND METHOD FOR MANUFACTURING PLATED STEEL MATERIAL

WIPO Patent Application WO/2015/056786

A1

[Problem] To provide a plated steel material and a coated steel material that have sacrificial corrosion resistance as well as a highly environmentally harmonious color tone from the viewpoint of design quality, and that make it possible to obtain both a satisfactory outer appearance and sacrificial corrosion resistance. [Solution] The plated steel material according to the present invention is provided with a steel material and a plating layer which is positioned on the surface of the steel material and which contains at least Sn and Zn. The plating layer comprises a Zn plating layer positioned on the steel material and an Sn-Zn plating layer positioned on the Zn plating layer. The adhered amount of Sn in the plating layer is 0.1 g/m2 to 10 g/m2 in terms of Sn amount. The adhered amount of Zn in the plating layer is 10 g/m2 to 60 g/m2 in terms of Zn amount. The ratio Sn:Zn between the adhered amount of Sn and the adhered amount of Zn is 50:50 to 0.2:99.8. The Zn concentration in the Sn-Zn plating layer is 4 mass% to 50 mass%.

GOTO YASUTO (JP)

PCT/JP2014/077710

April 23, 2015

October 17, 2014

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NIPPON STEEL & SUMITOMO METAL CORP (JP)

C25D5/26; C25D3/30; C25D5/50

JPH0474889A	1992-03-10
JPH10330964A	1998-12-15
JPH0971879A	1997-03-18
JP2004263252A	2004-09-24
JPS63186860A	1988-08-02
JPH01165791A	1989-06-29
JPH04235295A	1992-08-24
JPH059780A	1993-01-19
JP2002371398A	2002-12-26
JP2003268520A	2003-09-25
JPH03229846A	1991-10-11

KAMEYA, Yoshiaki et al. (JP)
Yoshiaki Kameya (JP)

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