Key Specifications/Special Features:

Square dimension: 20mm*20mm-500mm*500mm

Rectangular dimension: 20mm*30mm-400mm*600mm

Wall thickness 1.3mm-20mm

Length 1m-14m, by customer's requirements

Zinc coating pre-galvanized steel square tube: 60g/m2-150g/m2

Galvanized steel square tube:200g/m2-400g/m2

Materials Q195,    Q215,    Q235, Q345

Surface treatment: oiled

Technique : ERW ,Welded ,cold formed, hot rolled

Standard: ASTM A500, EN 10219, GB/T 6728

Certificate: ISO 9001:2008