Ultrasonic testing - is one method that is often used to detect internal defects in metals and welded joints (such as slag, lack of fusion, pores, cracks, etc.) For testing and measuring the thickness of the bundle of metal. Main areas of application of ultrasonic testing are listed below:

- Metallic materials such as steel, aluminum, copper, brass;
- Cast or forged steel;
- Sheet steel, ingots, tubes;
- Welds;
- Inspection of finished or semi-finished products.