Twin Crystals NDT — Technical ArticlesTechnical insights on PAUT, ToFD, Ultrasonic Testing, Eddy Current and NDT engineering from Thiago Lima Souto, Level III specialist.https://www.twin-crystals.com/en-nzEddy Current Testing of Heat Exchanger Tubes: Field Lessons from 316L and Brass Condensershttps://www.twin-crystals.com/blog/eddy-current-heat-exchanger-field-lessons/https://www.twin-crystals.com/blog/eddy-current-heat-exchanger-field-lessons/Practical observations from ET inspection campaigns on acid heat exchangers and brass condensers, including probe selection, calibration challenges and the role of 3D simulation in reporting.Tue, 22 Jul 2025 00:00:00 GMTEddy CurrentHeat Exchanger316LInspectionThiago Lima Souto