| abstract |
The Sn-based alloy plated steel sheet of the present disclosure comprises a steel sheet and a composite plating layer formed on at least one side of the steel sheet and having an Fe-Ni-Sn alloy layer and an island-shaped Sn layer located on the Fe- And a coating layer formed on the surface of the composite plating layer and containing zirconium oxide and tin oxide, wherein the composite plating layer contains a predetermined amount of Ni and a predetermined amount of Sn, and the zirconium oxide this, and 0.2mg / ㎡ more than 50mg / ㎡ or less of a metal Zr amount, combination of the tin oxide in the coating layer during the peak of binding energy of Sn3d 5/2 by X-ray photoelectron spectroscopy, the content of the metal Sn Is 1.6 eV or more larger than the peak position of energy. |