Non-destructive testing of steel tubes. Automated full peripheral ultrasonic testing of seamless & welded (except submerged arc-welded) steel tubes for the detection of longitudinal and/or transverse imperfections Non-destructive testing, Steels, Pipes, Seamless pipes, Seamed pipes, Welded joints, Automatic, Ultrasonic testing, Flaw detection, Longitudinal, Transverse, Grades (quality), Approval testing, Acceptance (approval), Test equipment, Control samples, Calibration