Field Metallography as an Inspection Technique

304SS Tube Creep Voids

As plants age, equipment and piping operating at elevated temperatures undergo microstructural changes which can reduce original design properties and cause unexpected failures. Field Metallography is a useful tool for on-site examination and evaluation of plant equipment without the need to destructively cut samples from the equipment item or component.

Field Metallography can be used as a tool to determine remaining life, fitness for service, and damage assessment from creep mechanisms or fire damage. It is also useful in determining the cause for cracking, degree of overheating or other damage mechanisms manifested by microstructural changes.



Field Metallography can be used to:

• Evaluate Fire Damage
• Verify Cracking Mechanisms
• Verify Alloy Type
• Verify Overheating

Applications:

• Heater Tubes
• Boiler tubes
• Steam Piping
• Tanks

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