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Astm E155 Porosity Levels Pdf Repack ((install)) May 2026

Title: The Indispensable Visual Rosetta Stone: A Deep Dive into the ASTM E155 Porosity Repack

1. Purchase from ASTM directly – Get the official "Standard Reference Radiographs for Aluminum and Magnesium Castings" as a combined PDF + image set. Then compress and repack it yourself to your lab’s needs.
2. Check NDT forums (NDT.net, ASNT) – Professionals sometimes share internally created repacks for educational purposes (non-commercial).
3. Avoid piracy. Unauthorized repacks often have altered contrast, missing levels, or mislabeled thickness ranges. Using a bad reference could cause false accept/reject decisions – a major safety liability.
4. Request a repack from your film digitizer. If you scan your physical ASTM E155 plates, most service bureaus will output a single, optimized PDF repack for you.

6. Suggested File Structure (for the PDF)

ASTM_E155_Porosity_Levels_Repack.pdf
├── Cover page (title, revision date, repack version)
├── Introduction to porosity in castings
├── Severity Level 1 – images + acceptance criteria
├── Severity Level 2 – images + acceptance criteria
├── Severity Level 3 – images + acceptance criteria
├── Comparison plate (all three levels at same thickness)
├── Reference table: thickness vs. severity
├── Quick reference card (last page)
└── Disclaimer & copyright notice

ASTM E155 provides standard reference radiographs classifying aluminum and magnesium casting discontinuities into eight severity levels, where Level 1 denotes minimum, and Level 8 maximum, porosity. These levels are utilized for grading castings in acceptance standards such as ASTM B686, which requires specific ratings for Grades B, C, and D. For official standards and technical documents, visit ASTM International www.qgdigitalpublishing.com astm e155 porosity levels pdf repack

Here is a brief summary of the porosity levels: Title: The Indispensable Visual Rosetta Stone: A Deep