The Magical Magnetizing Coil

cover of article The Magical Magnetizing Coil

Magnetic nondestructive testing methods are widely used in the world of OCTG and drill pipe inspection. Magnetic inspection is a fast and effective way to detect a myriad of defects within ferrous pipe. Electromagnetic inspection (EMI) methods are some of the most common testing methods found in our segment of the industry. To maximize EMI’s potential, the field strength of the electromagnet used for EMI should be properly designed…

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