Each plant is equipped with eddy current system in order to control the welding area in accordance to EN 10893-2, and with dimension measuring instruments by means of laser beams.

The produced tubes are continuously controlled through different destructive test, like flaring test, flattening test and expansion test on the samples, as well as the check of the mechanical characteristics. 100% of the production is controlled off-line by eddy current system. Upon request a pressure test can be carried out.