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Magnetite Detection Services


Magnetite detection services are available with our TesTex Low Frequency Electromagnetic Technique (LFET). Magnetite is caused by temperatures above 1005° F in stainless steel boiler tubes. As the boiler is taken off line, the scale exfoliates and then accumulates in the lower tube bends. This can cause blockages that can rupture the tubes as the boiler is returned to service.

Our non destructive testing services include the detection of magnetite in these tubes. With the LFET technology we are able to size the blockage to within 5% blockage increments. Additionally the test can detect if the blockage is wet magnetite or dry magnetite as well as where the blockage begins and where it ends.

Magnetite Waveform
Waveform shows magnetite blockage in a stainless steel boiler tube.

Doing a magnetite inspection of an off line boiler that uses stainless steel can help minimize unscheduled outages by accurately detecting dangerous blockages before the boiler is returned to service.

Magnetite Superheater Diagram
Diagram illustrates magnetite blockage in a stainless steel boiler tube.

If you would like to learn more about the Magnetite Detection technology, you can view our article in PowerPlant Chemistry or click here to see our Magnetite Inspection video. Please feel free to contact us to set up a Magnetite inspection for your next outage.


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