Square and rectangular box profiles are manufactured from steel bands by high frequency welding (ERW).
Galvanized Square and Rectangular Box Profiles are usually produced with DX51D quality.
It is mainly used for gas lines. It is also used to connect appliances to supply lines.
Galvanized pipes are pipes that are coated with zinc by hot-dip method to protect the steel against corrosion and indoor humidity.
It is produced by twisting the steel tape in a spiral way to form a pipe and joining the edges of the tape with internal and external welding methods.