Several thousand Km of carbon steel, duplex, super duplex and clad pipelines were inspected and certified at vendor manufacturing plants and at site laying.
Different welding technologies and systems were used to make pipelines that can be summarised mainly in SMLS pipes, ERW/HFI, mechanically bonded of combined C.S./Duplex or S.S., Longitudinal SAW, Spiral SAW. Having diameters up to 48” for pipelines and up to 80” for service pipelines and steel grades up to X80.
In the same way and/or at the same time, several thousands of Km of line-pipes coating production have been surveyed and inspected in National, European and Worldwide coating yards.
Different type of coatings and/or concrete weighting were inspected, with or without anodes application.


