| 摘要 |
Plated steel sheet comprising steel sheet having a tin alloy layer on it, which is characterized by (i) having free tin distributed on the tin alloy layer in a 5 to 97% area rate and further (ii) having a chemically treated layer having phosphate in an amount of 1.0 to 5.0 mg/m 2 in terms of P and tin oxide in an amount of 0.3 to 4.0 mC/cm 2 in terms of electricity necessary for reduction, formed on the tin alloy layer and free tin. |
