Steel pipe production in Iran has reached a high level of standardization in recent years. This process typically includes several main stages: selecting suitable steel plates, cutting, forming, welding, testing, and final coating.
During the welding stage, depending on the pipe type (spiral or longitudinal seam), Submerged Arc Welding (SAW) or Electric Resistance Welding (ERW) methods are used. Subsequently, pressure tests, visual inspections, ultrasonic testing, and hydrostatic tests are carried out to ensure the complete integrity of the pipes.
Finally, external coating layers (bitumen, epoxy, or polyethylene) are applied based on project requirements.
By cooperating with reputable domestic manufacturers, ptskish supplies steel pipes in various diameters according to customer specifications and in compliance with AWWA and API standards. This approach has increased the confidence of major employers and ensured the company’s continuous presence in national projects.
