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| Tensile
Testing at Spokane Industries
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Testing
and inspection include -
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Radiographic
inspection of first article castings to check for soundness and
internal shrinkage porosity.
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Fluorescent magnetic particle
inspection of finished castings for surface
sand and surface cracks.
(If surface defects are found they are
excavated, weld repaired, and reheat-treated. )
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Mechanical
property tests on a test block cast in each heat.
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