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– Folds in the metal from incomplete fusing.
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Sharp linear indications, deep cracks, macro-porosity, or any defect that reduces the component's wall thickness below the minimum allowable limit specified by design codes (such as ASME B16.34). 3. Tactile and Visual Inspection – Folds in the metal from incomplete fusing
The procedure involves a direct visual comparison between the casting in question and the reference photographs provided in the standard. An inspector examines all external and accessible internal areas of the casting. The inspector then compares any observed surface irregularities to the reference images to determine if the quality falls within the "generally acceptable" or "generally rejectable" categories. An inspector examines all external and accessible internal
Shallow, linear depressions caused by the expansion of the molding sand.
