Destructive Testing (DT)
Surface Roughness Test
Measuring the roughness parameters (Ra, Rz) of machined and prepared surfaces to verify specification compliance.
The surface roughness test measures the roughness parameters (Ra, Rz, etc.) of machined, ground or post-weld prepared surfaces with a profilometer. The results are used to verify that sealing surfaces, surfaces prepared for coating and fatigue-critical surfaces comply with specification and standard requirements.
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