
ILT-U-029
Magnetic Particle Testing. Pie Gauge. NDT. (Magnetic field indicator of magnetic particle testing)
The number of surface cracks and subsurface cracks, according to ASTM D562

Magnetic Particle Testing. Pie Gauge. NDT. (Magnetic field indicator of magnetic particle testing)
The number of surface cracks and subsurface cracks, according to ASTM D562