EN ISO 17640
Ultrasonic Non-Destructive Testing
Ultrasonic testing (UT) detects internal flaws, wall thickness, and material discontinuities in metallic and composite components without damaging them. EN ISO 17640 covers manual UT of fusion-welded joints; phased-array (PAUT) and time-of-flight diffraction (TOFD) extend the technique to automated flaw sizing. UT is essential for pressure equipment, pipelines, and structural welds.
What it measures
- Internal flaw detection (cracks, inclusions, porosity)
- Flaw location, size, and orientation
- Wall thickness measurement
- Bond integrity in bonded structures
- Weld root and fusion defects
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DIN EN ISO 17640
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BS EN ISO 17640
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NF EN ISO 17640
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UNI EN ISO 17640
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UNE EN ISO 17640
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NEN EN ISO 17640
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DIN EN ISO 16810
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BS EN ISO 16810
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NF EN ISO 16810
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UNI EN ISO 16810
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UNE EN ISO 16810
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NEN EN ISO 16810
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UNE-EN 60404-14
0 mT ≤ B ≤ 75,7 mT (196 ± 3) mT (990 ± 4
3 mT ≤ B ≤ 300 mT 300 mT ≤ B ≤ 1600 mT
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0,01< DO ≤ 0,1 0,1 < DO ≤ 0,3 1,1 < DO <
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INTERTEK France
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DIN EN ISO 1833-6
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UK 3725 based on ASTM D2163
and BS EN 15984:2011-07
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