DIN 25435-6:2014-01

This document shall be applied for in-service eddy current tests on non-ferromagnetic steam generator heating tubes of light water reactors, whereby the test is carried out using mechanised test equipment outwards from the tube inner side. An in-service eddy current test of steam generator heating tube plugs as a component of the primary circuit is not an object of this standard. Owing to the different embodiments of steam generator heating tube plugs, the use of specially adapted test systems to be qualified is necessary. Test systems for the localisation of inhomogeneities (surface) and requirements for test personnel, test devices, the preparation of test and device systems, and the implementation of the testing as well as the recording are defined. The committee responsible for this standard is NA 062-07-47 AA "Zerstörungsfreie Prüfung in der Kerntechnik" ("Non-destructive testing in nuclear technology") at DIN.