Tubería Estructural Negra y tubería Estructural Galvanizada

The bare steel Hollow Structural Sections (HSS) is a Black steel sheet, which is formed into square, rectangular or circular sections, closed by a high resistance continuous welding process

The galvanized Hollow Structural Sections (HSS) is a steel sheet with a galvanized metallic coating, which is formed into square, rectangular or circular sections, closed by means of a high-resistance continuous welding process. The weld bead is coated with zinc to generate uniform protection over the entire surface of the tube.