You're looking for the ASTM E125 reference photographs in PDF format.
can result in compliance issues. Correct application involves: Performing the MPI on the casting. Identifying the type of indication. Astm E125 Reference Photographs Pdf
The standard is actively maintained by ASTM International, with the latest reapproval occurring in 2023 (ASTM E125-63R23). It is available in several formats: You're looking for the ASTM E125 reference photographs
The standard helps inspectors categorize indications based on their visual characteristics. The reference photographs typically cover six main types of indications: Astm E125 Reference Photographs Pdf
Type VII: False Indications – Non-relevant magnetic patterns.
Compare the Size and Density: Match the "indication" on your part to the reference photograph that most closely resembles its appearance and extent.