| 摘要 |
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. |
