ASTM Test block (MPT) 

ASTM test block is also known as MPT test bar used in Magnetic particle inspection. It has 7 numbers of artificial flaws (side drilled holes). Easy to carry on site. Pocket friendly. ASTM MPI Test Block is used in magnetic particle inspection will help you maintain your magnetic particle process by verifying magnetic particle performance. Use to check for magnetic particle deterioration, to compare different magnetic powders, to verify sensitivity or visibility or to assure field direction and strength. It contains coarse and fine surface and subsurface defects in both directions. Meets or exceeds most industrial and military standards for artificial test specimens and complies with MIL-STD-271.

BLOCK DIMENSION – 255mm (L) X 30mm (W) X 10mm (T)

Block Contains 7 HOLES

HOLES DIA – Ø1.2mm

HOLES DEPTH – 20mm