The mill in Rieti produces pipes from steel sheets with longitudinal and circumferencial welding, in an outside diameter range from 609 mm to 4,572 mm, wall thickness from 6 to 40 mm, maximum sheets width 4,000 mm, maximum steel grade capacity X70/L485MB.

Pipe ends: square cut, bevelled ends for butt welding, spherical joints (maximum wall thickness 20 mm).

longitudinally welded pipes
The produces pipes from steel sheets with longitudinal and circumferencial welding.

Manufacturing Process

The production process includes the following main phases:

  • cutting and smoothing;
  • rolling;
  • matching of single sheets;
  • internal and external welding;
  • finishing of the extremities;
  • dimensional and visual control;
  • non destructive test like ultrasonic or X-ray;
  • hydrostatic test.

The plant’s laboratory is equipped with modern machineries for quality controls.
The high level of automation in the production process, together with our quality control system, ensures the maximum reliability of our products.