NDT Method Selector | ISO 9712 | Non-Destructive Testing Guide

Published by Nikolai Shelkovenko on

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NDT Method Selector

Select your inspection scenario to get ranked non-destructive testing method recommendations with applicable ISO standards and required qualification levels per ISO 9712.

ISO 9712 UT / RT / MT / PT / ET / VT

Recommended NDT Methods

Common NDT Methods

MethodAbbrDetectsISO Standard
Visual TestingVTSurface defects, misalignment, corrosionISO 17637
Magnetic ParticleMTSurface & near-surface cracks (ferromagnetic only)ISO 17638
Liquid PenetrantPTSurface-breaking defects (any material)ISO 3452
Ultrasonic TestingUTInternal defects, thickness, cracksISO 17640
Radiographic TestingRTInternal defects (porosity, inclusions, cracks)ISO 17636
Eddy CurrentETSurface cracks, thickness, conductivityISO 15549

ISO 9712 Certification Levels

LevelResponsibilities
Level 1Perform tests per written instruction, record results. Cannot interpret or evaluate.
Level 2Set up equipment, perform tests, interpret and evaluate results per codes/standards.
Level 3Develop procedures, interpret codes, train Level 1/2, manage NDT programs.
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