Ultrasonic inspection on welded pipe mills

摘要

Sofratest SA, France, specialises in pipe mill inspection systems using the ultrasonic method. These inspection systems are fully compliant with standards such as API5L, Shell, Aramco and IPS. The inspection systems can be used for a range of jobs on spiral arc welded (SAW) pipe mills (diameter 219mm to 3,000mm and up to 25mm thickness). These include examination of strip lamination (up to 2m width), edge lamination (before forming in the first 50mm), body lamination (using an oscillator), and weld examination before cutting (including HAZ). The inspection systems can also perform offline examination of the weld (longitudinal and transversal defects), HAZ, ends and body laminations.