Nippon Steel Corporation

Hidehiro Tomio

Fumio Yamazaki

Yoshio Shindo

Katsushi Saito

Kouichi Wada

A method for producing a steel sheet electroplated with a Zn-series alloy or Zn-series composite material, comprising, using an identical plating liquid, forming an initial electroplated layer in an amount essentially smaller than a subsequent main plating layer: relieving an electrodeposition strain in the initial electroplated layer after or during the formation thereof, and forming the main plating layer on the initial electroplated layer essentially free of the electrodeposition strain, thereby improving a plating adherence of the electroplated layer of Zn-series alloy or Zn-series composite material.

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Kimitsu, Japan

Hidehiro Tomio