GALVANIZED SQUARE TUBE

Square box steel or galvanized square pipe It looks like a steel pipe with a square cross-section.

Produced by cutting GI steel coils into sheets or called slits. Then bring a small strip of steel (Slitting Coil) to the shape and size you want. This type of profile steel is commonly used in external structures or where it is exposed to moisture. 

Due to the rust-proof and durable steel No need to paint rust, such as rain gutters, roof structures