Film radiography is often used for welding inspection in offshore and onshore pipe laying, and for checking the reliability of defect detection using ultrasonic testing. However, it can be slow and ...

Issuing body: international welding societies/schemes (e.g., Certified Welding Inspector; CSWIP 3.1/3.2). Validity: 3–5 years depending on scheme. Prerequisites: high school diploma; experience or ...