This standard specifies a test method for determining the acceptance limits of surface discontinuities detected by magnetic particle inspection, when such an inspection procedure has been contractually agreed upon at the request of the purchaser.  It applies to all magnetic steel castings; whatever casting process is used.  A steel shall be considered to be magnetic if the magnetic induction is greater than 1 T for a magnetic field

strength equal to 2, 4 KA/m.

• Year of Declaration: 1996
• Reference: ISO 4986: 1992
• Number of Pages: 20
• Code: GYS 157
• Version:
• ICS Number: 77.040.20