WELDS PLATE AND PIPE, T SECTIONS and NOZZLES 3.1, 3.2, 3.7& 3.8
Ultrasonic Testing involves the utilisation of ultrasonic sound waves to detect defects inside a material. The welded joints have possibilities of defects inside the welds, or sometime near the weld zone.
The type defects that are often found in welds are porosity, cracks, slag inclusion, lack of fusion, lack of penetration, root concavity, crater pipes, sharp undercuts, burn through, HAZ cracks and more. Ultrasonic scanning is utilised to detect these discontinuities.