February 15, 2021

Who Can Use EMAT for Pipe Inspection?

EMAT (Electromagnetic Acoustic Transducer) technology is used for crack detection and integrity assessment in pipelines where liquid couplant is not available or practical — primarily gas transmission pipelines.

EMAT generates ultrasonic shear-horizontal waves directly in the pipe wall through electromagnetic induction. This means it can detect surface-breaking cracks, SCC (Stress Corrosion Cracking), and coating disbondment without requiring the pipeline to be filled with liquid.

PIPECARE's EMAT tools combine high-resolution crack sensors with tri-axial Hall sensors for simultaneous metal-loss evaluation, providing comprehensive integrity data in a single inspection run. The technology is compliant with API 1163, NACE SP0102, and API 579.

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