High tensile strength octagonal utility poles with flaw testing and ISO 9001 certification.
| Minimum yield strength | 355 mpa |
|---|---|
| Minimum ultimate tensile strength | 490 mpa |
| Max ultimate tensile strength | 620 mpa |
| Standard | ISO 9001 |
| Length per section | Within 14m once forming without slip joint |
| Welding | Passed flaw testing. Internal and external double welding meets AWS (American Welding Society) D 1.1 standard |
Our advanced production line includes bending calibration machines, hydraulic plate shears, slitting machines, 208T hydraulic straighteners, and other specialized equipment to ensure high-quality steel poles.
The fabrication process includes: