This SAE Information Report provides a summary of several methods that are available for detecting, and in some instances detecting and measuring, surface imperfections in rods, bars, tubes, and wires. references relating to detailed technical information and to specific applications are enumerated in 2.2.
SAE J349-1991 Referenced Document
SAE J420 Magnetic Particle Inspection*， 2018-01-01 Update
SAE J425 Electromagnetic Testing by Eddy Current Methods*， 2018-01-01 Update
SAE J426 Liquid Penetrant Test Methods*， 2018-01-01 Update