ASTM E 1444 - 94a. Standard Practice for Magnetic Particle Examination

American Society for Testing and Materials (ASTM). 1994, 12 pages.
This practice establishes minimum requirements for magnetic particle examination used for the detection of surface or slightly subsurface discontinuities in ferromagnetic material. This practice is intended as a direct replacement of MIL-STD- 1949. Guide E 709 can be used in conjunction with this practice as a tutorial