Posco GA,GI

GA,GI

It is called the molten zinc-plated steel sheet for alloying, and like GI products, it is a product in which hot-dip zinc metal is plated on the surface. The difference from GI products is that as soon as the steel sheet passes through the liquid molten zinc metal, a special heat treatment is applied before the zinc metal plated on the surface is hardened to form a Zn-Fe alloy layer between the base steel sheet and the galvanized layer.

It has a dark gray color due to the Fe component contained on the surface of the plating layer, and exhibits excellent weldability, coating properties, and undercoat corrosion resistance, so it is mainly used in automobile steel sheets.

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