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Evaluation Of The Impact Of Iron Oxide Deposit On The Eddy Current (ECT) Measurements Of Heat Exchanger Nickel Tubes

Evaluation Of The Impact Of Iron Oxide Deposit On The Eddy Current (ECT) Measurements Of Heat Exchanger Nickel Tubes
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Equipment monitoring and assessment regimes are largely driven by integrity, reliability and economic motivation. The data from corrosion measurement tools allows for the evaluation and determination of inspection intervals as well as the remaining life of equipment and piping. Corrosion monitoring tools are widely used measurement tools, which provides wall thickness loss, cracks and other defects of equipment and piping.

Product Number: 51322-17859-SG
Author: Muazu Mohammed, Aamir Saddiq
Publication Date: 2022
Industry: Science of Corrosion
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$20.00
$20.00

Corrosion is a major cause of disruption of operations of many refineries and petrochemical plants; ECT Inspection was conducted on the tubes of a shell-and-tube heat exchanger as part of turn-around scope, it revealed severe wall loss on tube outside diameter (OD). The shell is medium pressure steam and tube sodium hydroxide. A metallurgical characterization was conducted on the heat exchanger Nickel tubes to investigate the failure mechanism and to provide recommendations for mitigation, two tubes with over 80% wall loss from the ECT reports were pulled out for the studies. Profile radiography (PRT), Scanning Electron Microscopy (SEM), Energy Dispersive X-Ray Analysis (EDX) and X-Ray Diffraction (XRD) techniques were conducted on sample tubes.

Corrosion is a major cause of disruption of operations of many refineries and petrochemical plants; ECT Inspection was conducted on the tubes of a shell-and-tube heat exchanger as part of turn-around scope, it revealed severe wall loss on tube outside diameter (OD). The shell is medium pressure steam and tube sodium hydroxide. A metallurgical characterization was conducted on the heat exchanger Nickel tubes to investigate the failure mechanism and to provide recommendations for mitigation, two tubes with over 80% wall loss from the ECT reports were pulled out for the studies. Profile radiography (PRT), Scanning Electron Microscopy (SEM), Energy Dispersive X-Ray Analysis (EDX) and X-Ray Diffraction (XRD) techniques were conducted on sample tubes.

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