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Sonaspection is the longest established manufacturer of flawed specimens starting in 1980, and is the pioneer on many well recognized 'industry standard' flaw manufacture and implanting techniques. Sonaspection flaw manufacturing procedures have, without doubt, been proven as the 'industry standard' for consistently able to meet the most exacting tolerances.

NDE Educational Kits

Introduction to 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 & Basic flaw sizing
  • Demonstrate principles of flaw detection
  • Demonstrate typical NDE flaw responses
  • Demonstrate principles of flaw interpretation
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 - Kits are presented in a durable polypropylene case with high density black moulded inserts.
Kits are available in UT, RT, MT, PT and VT methods plus a there is a demonstration kit which covers a little of each NDE method

Flawed Specimen Sets

Introduction to basic flaw evaluation - A set of small welds with simple weld geometry's to demonstrate basic flaw detection, sizing and interpretation.
  • Introduction to basic flaw detection
  • Introduction to basic flaw sizing
  • Introduction to basic flaw interpretation
  • Simple weld geometry's
Set contents - 10 small flawed specimens - Average 15 real flaws - Flaw location details - Testing and acceptance criteria - Certificate of conformance. are designed and manufactured to meet the requirements of all known internationally recognized Qualification Programs.
A sturdy wooden storage box is available for each set. Sets are available in UT, RT, MT, PT and VT methods.

Standard Flawed Specimens

Realistic size welds in most common geometry's available either individually or in sets for advanced training/practice and qualification. Standard Flawed Specimens are designed and manufactured to meet the requirements of all known internationally recognized Qualification Programs.
internationally recognized Qualification Programs.
  • Advanced training and practice prior to qualifications on: - Flaw detection - Flaw sizing - Flaw interpretation
  • Realistic size welds
  • Common weld geometries
For Level II training, practice and qualification i.e. ACCP, ASNT-TC-lA, PCN, EN473, API and others
Sonaspection flawed specimens are available either individually or in sets.

Custom Specimens

Full size mock-ups / component simulations containing accurately located and sized flaws, simple or complex weld geometry's, exotic materials.
For specific NDE training, procedure development, personnel training and qualification, specialists ..
training and performance demonstration, for example ASME XI Appendix VII training and ASME XI Appendix VIII
  • Advanced training and qualifications (Performance Demonstrations) - Flaw detection - Flaw sizing
  • Complex weld geometries
  • Exotic materials
  • Equipment, procedures and personnel
Ideal for NDE training and PDI qualifications Custom specimens are supplied with documentation which clearly identifies the flaw types, sizes and locations (flaw truth)

Custom Calibration Blocks

Sonaspection have a dedicated department with the experience to manufacture custom blocks to meet customer exact requirements. Their capabilities include NDE, Mechanical Inspection, CAD, Specialist Welding, Conventional Machining, Bending/Rolling & Heat Treatment.
Sonaspection also offer following reflector types: EDM, Slots, Notches, Side Drilled Holes and Flat Bottom Holes.