or galvanized square steel (Square Tube), which steel has been coated in galvanization It has a natural corrosion rate that is approximately 60 times lower than that of steel. More than 7 years of rust-proof properties

Raw material of steel :  It is made of galvanized steel coil or hot dipped steel coil. The standard zinc coating thickness is 60-100 g/m² depending on the shape of each steel according to the standard of each steel.

Recommended application features:  Basic corrosion and rust resistance Suitable for general construction Not suitable for work in the sea