Title:
TIN-PLATED STEEL SHEET, CHEMICAL CONVERSION TREATED STEEL SHEET AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2016/125911
Kind Code:
A1
Abstract:
A chemical conversion treated steel sheet according to the present invention comprises a steel sheet, a matte-finished Sn plating layer comprising β-Sn provided as an upper layer on the steel sheet, and a chemical conversion treated overcoat layer provided as an upper layer on the Sn plating layer, wherein the Sn plating layer contains, in terms of Sn content, 0.10-20.0 g/m2 β-Sn, the crystal orientation index of the (100) plane group of the Sn plating layer is higher than the crystal orientation index of other crystal orientation planes, and the chemical conversion treated overcoat layer comprises a Zr compound that contains, in terms of the metallic Zr content, 0.50-50.0 mg/m2 Zr and a phosphate compound.
Inventors:
GOTO YASUTO (JP)
FUTABA TAKASHI (JP)
FUTABA TAKASHI (JP)
Application Number:
PCT/JP2016/053651
Publication Date:
August 11, 2016
Filing Date:
February 08, 2016
Export Citation:
Assignee:
NIPPON STEEL & SUMITOMO METAL CORP (JP)
International Classes:
C25D5/26; C25D9/08
Foreign References:
| JPS60155695A | 1985-08-15 | |||
| JP2010013728A | 2010-01-21 | |||
| JPH09209188A | 1997-08-12 |
Other References:
See also references of EP 3255180A4
Attorney, Agent or Firm:
SHIGA Masatake et al. (JP)
Masatake Shiga (JP)
Masatake Shiga (JP)
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