This standard describes the qualification and certification of personnel engaged in non-destructive testing (NDT) of seamless and welded steel tubes, including flat products used in the manufacture of welded tubes, for pressure purposes. It specifies the training, qualification and certification requirements for three levels of NDT personnel competence to execute specific tasks in the NDT of seamless and welded steel tubes, including the weld seam, and flat products used in the manufacture of welded tubes.

• Year of Declaration: 1996
• Reference: ISO 11484: 1994
• Number of Pages: 13
• Code: GYS 129
• Version:
• ICS Number: 23.040.20