Welded steel profile pipe of square cross-section 20x20 mm with a 2 mm wall thickness, manufactured to GOST 8639-82 from St1-3ps/sp carbon steel. Used in steel structures, fencing, furniture frames, lightweight trusses, advertising structures and canopies. The square profile is convenient for welding, cutting and fastening, and offers high bending rigidity at low weight. Cut length 6 m, category B (enhanced geometric accuracy).
Technical specifications
| Standard | 8639-82 |
| Diameter (mm) | 20x20 |
| Wall thickness (mm) | 2 |
| Steel grade | Ст1-3пс/сп |
| Length (m) | 6 |
| Coating | uncoated |