ÖNORM EN ISO 10863

This International Standard specifies the application of the time-of-flight diffraction (TOFD) technique to the semi- or fully automated ultrasonic testing of fusion-welded joints in metallic materials of minimum thickness 6 mm. It applies to full penetration welded joints of simple geometry in plates, pipes, and vessels, where both the weld and parent material are low-alloyed carbon steel. Where specified and appropriate, TOFD can also be used on other types of materials that exhibit low ultrasonic attenuation (especially that due to scatter). Where material-dependent ultrasonic parameters are specified in this International Standard, they are based on steels having a sound velocity of (5 920  50) m/s for longitudinal waves, and (3 255  30) m/s for transverse waves. It is necessary to take this fact into account when examining materials with a different velocity.