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SAE J421 93rd Edition, December 1994
Cleanliness Rating of Steels by the Magnetic Particle Method
Description / Abstract:
This SAE Recommended Practice provides a rating procedure for the cleanliness rating of steels by the magnetic particle method. The procedure is based on counting the number of indications (frequency) and employs a weighted value to obtain a severity factor. The method outlined is similar to that described in SAE Aerospace Material Specification AMS 2301.
SAE J421 93rd Edition, December 1994
Cleanliness Rating of Steels by the Magnetic Particle Method