Increasing severity; Level 3 is often the maximum allowable limit for automotive parts.
: Ensure you are using the correct reference plate for the material (Aluminum or Magnesium) and the section thickness of the casting being inspected. astm e155 porosity levels pdf repack
A: Yes, if you own the original standard (physical or digital license) and use it internally. Distribution without permission is copyright infringement. Increasing severity; Level 3 is often the maximum
Mixing up Al and Mg plates – magnesium absorbs radiation differently. Fix: Your repack must clearly label material type on each page. Distribution without permission is copyright infringement
Note: For gas porosity specifically, quantification of flaw density becomes increasingly difficult for Levels 5 through 8 and often requires discussion between the manufacturer and the purchaser. Documentation & Purchasing Standard Content:
The standard uses "frame numbers" or levels to indicate the concentration and size of defects.