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. ENย ISOย 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
๐Ÿ‡ฉ๐Ÿ‡ช DIN EN ISO 17640 ๐Ÿ‡ฌ๐Ÿ‡ง BS EN ISO 17640 ๐Ÿ‡ซ๐Ÿ‡ท NF EN ISO 17640 ๐Ÿ‡ฎ๐Ÿ‡น UNI EN ISO 17640 ๐Ÿ‡ช๐Ÿ‡ธ UNE EN ISO 17640 ๐Ÿ‡ณ๐Ÿ‡ฑ NEN EN ISO 17640 ๐Ÿ‡ฉ๐Ÿ‡ช DIN EN ISO 16810 ๐Ÿ‡ฌ๐Ÿ‡ง BS EN ISO 16810 ๐Ÿ‡ซ๐Ÿ‡ท NF EN ISO 16810 ๐Ÿ‡ฎ๐Ÿ‡น UNI EN ISO 16810 ๐Ÿ‡ช๐Ÿ‡ธ UNE EN ISO 16810 ๐Ÿ‡ณ๐Ÿ‡ฑ NEN EN ISO 16810
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Related Standards

  • EN ISO 17640 Non-destructive testing of welds -- Ultrasonic testing
  • EN ISO 16810 Non-destructive testing -- Ultrasonic testing -- General principles
  • ASTM E317 Evaluating Performance Characteristics of Ultrasonic Pulse-Echo Testing
  • EN ISO 11666 Non-destructive testing of welds -- Acceptance levels for ultrasonic testing

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