Under support corrosion and tube support
ligament damage
Tube to support mechanical/vibration damage
Fretting – Contact point slip planes
Condensate grooving – Ammonia
Corrosion
Corrosion
Stress
Stress Corrosion Cracking
Fatigue
Corrosion Fatigue
Cracking
Environmental
COMMON CORROSION TYPES & MECHANISMS DETECTED
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Under-deposit
Cooling Water
Concentration Cell
Microbially Induced
Sulfate Reducers
Sulfur Oxidizers
Differential Cell Initiated
Tube Related
Localized or General
Shell or Structural Members
Two Phase Cutting
Flow / Velocity Induced Erosion
Tube End
General Wastage
Vapor Change Saturated Product
Entrained Particle :
Fly Ash, Sand, Gas Vapor
Erosion
Corrosion
I.D. Detection
O.D. Detection
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Contact Info
Magnetec Inspection Inc.
1159 East North St.,
Bradley, IL 60915
815 802-1363 T
815-802-1238 T
815-802-1250 F
ew@magnetec-inspection.com
admin@magnetec-inspection.com
Dew Point Corrosion in Air-preheat Equipment
Acidic process stream
Exfoliation
Flaking of primary surface due to grain boundary decay
De-Alloy/Alloy Phase
De-zincification
Localized work hardening/ heat treatment
Hydrogen Damage
Environmental cracking
Hydriding