Ferrite Meter Dealers in Madurai

Ferrite Meter

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To address the need to measure the amount of ferrite in a sample the Welding Research Council introduced the Ferrite Number (FN) as a standardised value which related to the ferrite content of an equivalently magnetic weld metal. The volume percentage of ferrite can be estimated as about 70% of the FN but the relationship depends upon the type and origin of the stainless steel used and the measurement technique. The Diverse Ferrite meter MF300F+ measures the Ferrite number (FN) of austenitic and duplex stainless steel weld material. It has a probe that is sensitive to ferrite content in a 10 mm area to a depth of approximately 1 mm. The instrument is calibrated using the secondary world standards held at The Welding Institute. All 16 standards are used in the calibration giving an instrument with a measurement range from 0 to 115 FN. Transfer standards are supplied with the instrument allowing performance to be verified at any time.