What is the best method of NDT for inspection of internal tubes for heater exchangers, and the best material to be selected for tubing.

Question

I’m raising this question as we are always facing corrosion problems during shutdown inspection activities.

Ali Agila · Answer

the best NDT method for heater exchangers tubes is edicurrent and DPI including visual testing.

and the best material to be selected for internal tubles is copper magnesium

akber ali mohammed · Answer

HYDRAULIC PRESURE TEST

Mohamed Elsayed Mohamed Ouf · Answer

the best method is EDDY CURRENT or ULTRA SONIC shear wave