Non-relevant indications that do not represent physical defects. Magnetic Anomalies
The standard eliminates this ambiguity by providing high-resolution photographs of typical surface discontinuities. These photographs are categorized by: Astm E125 Reference Photographs Pdf
There is no direct correlation between severity levels across different types; for example, a "Degree 3" of Type I is not equivalent to a "Degree 3" of Type II. Accessing the Standard (PDF and Charts) Astm E125 Reference Photographs Pdf
Understanding ASTM E125: The Standard for Magnetic Particle Indications in Ferrous Castings Astm E125 Reference Photographs Pdf