Non Destructive Testing required on the welds of qualifying machines is carried out internally for the visual checks and for coloured dye penetrant testing, a COFREND certified level 2 and ASNT recommendation SNT-TC-1A operator is in charge of these checks.

The following operations are carried out by external contractors depending on contractual requirements:

  • X Ray / Gamma radiography
  • Fluorescent penetrant testing
  • Ferrite tests
  • Magnetic particle checks
  • Thickness measurements