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Damage on Static Package Steam Turbine blades

Damage on Static Package Steam Turbine blades

(OP)
Good Afternoon,
During a dye penetrant examination of Static package steam turbine blades, we found out several indications on blades foil.
Indications are rounded with several diameters 4 mm-16 mm and one is located on the weld toe (16 mm). I've being looking for a std to evaluate the severity of those indications however I haven't found something that directly address dye penetrant on this type of damage
Does anybody here have experience with that kind of failure?
Will highly appreciate if anyone knows about a specific std that cover in-service inspection of turbine blades with dye penetrant
Thanks in advance, best regards

RE: Damage on Static Package Steam Turbine blades

Well, this is posted in the Storage Tank Engineering section, and most of our storage tanks don't have any turbine blades. You might want to check for a more appropriate subforum.

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