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Introduction to Weld Flaws

A set of miniature welds, macro sections and photo-radiographs to demonstrate the principles of flaw detection, flaw interpretation and basic sizing.


  • Introduction to weld flaws
  • Demonstrate principles of flaw detection
  • Demonstrate typical NDT flaw responses
  • Demonstrate principles of flaw interpretation
  • Basic flaw sizing

Kit contents

  • 10 miniature flawed specimens
  • Flaw location details
  • Testing and acceptance criteria
  • Photo-radiographs (where applicable) for each specimen
  • 10 Macro sections
  • Magnifying glass
  • Certificate of conformance


NDT methods

UT, RT, MT, PT and VT methods plus a there is a demonstration kit which covers a little of each NDT method.


  • Carbon Steel
  • Stainless Steel
  • Aluminium

Kits are presented in a durable polypropylene case with high density black molded inserts.

For Level I training and qualification ie ASNT-TC-lA, PCN, EN473 and others

Sonaspection Education Sets