| 摘要 |
PURPOSE: A plating steel plate and a manufacture method thereof are provided to form an even alloy coating layer consisting of aluminum and magnesium, thereby improving the adhesiveness between a steel plate and a coating layer. CONSTITUTION: A manufacture method of a plating steel plate comprises the following steps of: coating a magnesium layer on an aluminum layer after the aluminum layer is coated on a steel plate (10); and forming an aluminum-magnesium alloy layer (40) by heat-treating the coated steel plate. The heat treatment is performed at 100 to 400°for 1 to 20 minutes. The aluminum layer and magnesium layer are formed by the evaporation under the vacuum condition. |
