Brochure
Corrosion & Erosion
21
• Flow-assisted corrosion can occur in all piping that
contains water and water/steam mixtures
• Single liquid phase or dual phase (wet steam) as
shown below can cause severe local metal wast-
age
• Water treatment, design and metallurgy can help
prevent for damage
• Digital radiography can be used for volumetric
examination of specic suspect locations
• See pages 11 - 12 for general description
• High-pressure steam pipe may be exposed to
stresses above design and suer high-temperature
creep damage causing industry incidents with
multiple fatalities and major consequences
• Field metallographic replication (FMR), magnetic
particle testing can only detect creep damage on
outer surface, not a volumetric assessment
• Phase Array can easily be eld deployed to investi-
gate volumetric creep damage in areas of concern
in steam pipes
• See page 9 - 10 for general description
• Carbon steel tubes can be inspected by eddy
current techniques
• RVI can be rapidly used to assess specic tube
conditions for assistance in run-replace decisions
• Tubes can be accessed with minimum preparation
for fast evaluation of tube condition
• See pages 7 - 8 and 13 for general description
Flow-Assisted Corrosion Utility Steam Pipe
Radiographic Testing (RT)
Creep of High-Pressure Steam Pipe
Ultrasonic Phased Array (UT-PA)
Air Fin-Fan Tube ID Condition
Remote Visual Inspection (RVI)/Eddy Current Testing (ET)
Carbon steel piping has failed catastrophically from FAC Elevated temperature damage can occur with increasing
age and operation severity
Air n heat exchanger tube damage can cause signicant
operational problems