| 摘要 |
Plated steel sheet comprised of 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/m2 in terms of P and tin oxide in an amount of 0.3 to 4.0 mC/cm2 in terms of electricity necessary for reduction, formed on the tin alloy layer and free tin.
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