Physical Inspection Methods: Physical inspection methods utilize various physical phenomena for measurement or examination. The detection of internal defects in materials or workpieces is typically carried out using non-destructive testing (NDT) methods, which include ultrasonic testing, radiographic testing, liquid penetrant testing, magnetic particle testing, among others.
In summary, these are the inspection methods for small-diameter spiral steel pipes. To ensure the safety of the inspection process, it is necessary for professionals to conduct the tests in a formal inspection environment, thereby preventing the occurrence of hazardous incidents.
