: Indicates the highest concentration or largest size of the discontinuity.
The ASTM E155 standard itself does NOT dictate pass/fail. Your engineering drawing or customer specification will say: astm e155 porosity levels pdf repack
In the context of ASTM E155, porosity is generally categorized by how it appears on a radiograph. : Indicates the highest concentration or largest size
Your component wall thickness determines which reference radiograph to use. ASTM E155 provides separate plates for: astm e155 porosity levels pdf repack