Save the search strings. Look for industry forums (NDT.net, Eng-Tips) where senior inspectors have uploaded comparison charts that are "based on" but not identical to the ASTM standard for training purposes.
Free PDFs are often older versions (e.g., E125-63) that may not meet current industrial or regulatory requirements. astm e125 reference photographs pdf free download
The reference photographs provided in ASTM E125 are invaluable for several reasons: Save the search strings
I. Linear Discontinuities: This category includes hot tears and cracks. These are typically long and narrow and are often considered the most critical flaws due to their potential for stress concentration.II. Shrinkage: These indications result from the contraction of metal during solidification. They often appear as branching or dendritic patterns.III. Inclusions: These represent non-metallic materials, such as sand or slag, trapped within the casting. They usually appear as isolated or clustered irregular shapes.IV. Internal Chills and Chaplets: These are specific to the casting process where metal supports or cooling inserts do not fully fuse with the molten metal.V. Porosity: This category covers gas holes and pinholes, appearing as small, rounded indications. The reference photographs provided in ASTM E125 are
If you need access to ASTM E125, there are several legitimate ways to obtain it:
{}