Bl This standard establishes the magnetic test method to determine superficial or shallow defects in pieces of ferrous materials. B-2 These defects include cracks, fissures, blowholes, etc., which may occur in the materials as a consequence of mechanical and thermal treatments, welding and the effects of fatigue during use.
IRAM 125-1959 history
1959IRAM 125-1959 Magnetic detection method for defects in iron-containing raw materials