ASTM E125 is a standard published by ASTM International that defines procedures and reference materials (photographs) used for visual comparison when assessing the quality of photographic reproductions, image resolution, and other image-evaluation tasks. The standard supplies reference photographs and guidance for using them to evaluate photographic and imaging performance consistently across labs and practitioners.
ASTM E125 – Standard Reference Photographs for Magnetic Particle Indications on Ferrous Castings
A: The official ASTM PDF contains images scanned at a minimum of 300 DPI. Any lower resolution (72 DPI web copies) is not acceptable for contractual compliance.
If your customer contract cites "ASTM E125 - 18(2023)," you cannot use a 2012 PDF. The reference photographs are different enough to cause a dispute.
| Plate Number | Discontinuity Type | Degrees (Severity) | | :--- | :--- | :--- | | Plate I | Hot Tears | 1 (Low) to 4 (High) | | Plate II | Shrinkage | 1 to 4 | | Plate III | Porosity | 1 to 4 | | Plate IV | Linear Indications | 1 to 4 | Astm E125 Reference Photographs Pdf
Each degree is represented by a photograph of a casting with a specific indication pattern. An inspector holds the component up to the photograph (or digital equivalent) and matches the magnetic particle indication to the closest plate degree.
You're looking for the ASTM E125 reference photographs in PDF format.
ASTM E125 is a standard published by ASTM International (formerly known as the American Society for Testing and Materials) that provides reference radiographs for steel castings. The standard includes a set of reference photographs that illustrate various types of discontinuities and defects that can occur in steel castings.
Unfortunately, I couldn't find a direct link to a free PDF version of the ASTM E125 reference photographs. However, I can guide you on how to access them: ASTM E125 is a standard published by ASTM
Option 1: Purchase the standard from ASTM
You can purchase the ASTM E125 standard and the reference photographs from the ASTM website. Here's how:
Option 2: Check with your organization's standards library
If you or your organization have a subscription to ASTM standards, you may be able to access the E125 standard and reference photographs through your organization's standards library. A: The official ASTM PDF contains images scanned
Option 3: Contact a standards distributor
There are several standards distributors that provide access to ASTM standards, including the E125 standard. Some popular distributors include:
You can visit their websites and search for "ASTM E125" to see if they have the standard and reference photographs available for purchase or download.
Additional information
The ASTM E125 standard includes reference radiographs for steel castings, which are used for:
The reference photographs illustrate various types of discontinuities, such as: