Formally titled the , this document illustrates the various types and degrees of discontinuities—commonly referred to as defects—found in these specific alloys.
The full standard consists of physical reference plates (radiographs) that show eight levels of severity for different defect types. astm e155 porosity levels pdf repack
In the context of ASTM E155, porosity is generally categorized by how it appears on a radiograph. Formally titled the , this document illustrates the
Appears as round or elongated dark spots. These are typically minute voids distributed throughout the entire casting. Formally titled the
ASTM E155 Discontinuity Levels Guide | PDF | Materials - Scribd
Massive, equiaxed voids with a sponge-like appearance. The Eight Levels of Severity