HOT-DIP GALVANIZED STEEL SHEET HAVING EXCELLENT PLATING QUALITIES, PLATING ADHESION AND SPOT WELDABILITY AND MANUFACTURING METHOD THEREOF

摘要

Provided is a hot-dip galvanized steel sheet having excellent plating qualities, plating adhesion and spot weldability, in which an alloy phase is formed at the interface between a base steel sheet and a galvanized layer, and a manufacturing method thereof.