When you get this repack, do not print it on glossy paper. It ruins the contrast. Instead, load it onto a 12.9-inch iPad Pro with a true-tone display and a matte screen protector. Calibrate your screen to 5000K. Then, compare your live radiograph next to the PDF.
A new physical set of ASTM E155 costs upwards of $800-$1,200. A licensed digital repack (or even a well-done internal scan) is often a fraction of that. For a small job shop that only casts aluminum, buying the full physical set is overkill. Buying just the Porosity repack is efficient. astm e155 porosity levels pdf repack
The standard uses graded, film-based reference images. These images allow inspectors to compare a production X-ray against a set of known severity levels to determine if a casting passes or fails. When you get this repack, do not print it on glossy paper
Porosity—the formation of small voids or gas pockets within a casting—is the number one reason for part rejection. ASTM E155 breaks porosity down into , each with its own severity scale. Calibrate your screen to 5000K
Here’s why you should be cautious: