Complete NDT Guide 2026: Methods, Inspection Workflow, ASME Codes & Career Roadmap
INDIA
A practical roadmap for students, NDT technicians, inspectors, welding inspectors and QA/QC professionals.
Welcome to NDTQualityHub's central NDT learning guide. This page connects the core NDT methods, inspection workflow, welding inspection, ASME code concepts and career preparation resources in one place.
Important: This article is an educational guide. It does not replace the governing code, client specification, approved procedure, employer written practice or applicable certification scheme.
1. What Is Non-Destructive Testing (NDT)?
Non-Destructive Testing (NDT), also called Non-Destructive Examination (NDE) in many engineering and code environments, is the examination of materials, welds, components or assemblies without destroying their intended usefulness. NDT is used to find, characterize or monitor conditions that could affect quality, integrity or service performance.
The correct NDT method depends on the material, geometry, expected discontinuity, location, access, required sensitivity and governing specification. No single method is universally best.
Visual Testing (VT)
Liquid Penetrant Testing (PT)
Magnetic Particle Testing (MT)
Ultrasonic Testing (UT)
Radiographic Testing (RT)
Phased Array Ultrasonic Testing (PAUT)
Time of Flight Diffraction (TOFD)
Eddy Current Testing (ECT)
Welcome to NDTQualityHub's central NDT learning guide. This page connects the core NDT methods, inspection workflow, welding inspection, ASME code concepts and career preparation resources in one place.
Important: This article is an educational guide. It does not replace the governing code, client specification, approved procedure, employer written practice or applicable certification scheme.
1. What Is Non-Destructive Testing (NDT)?
Non-Destructive Testing (NDT), also called Non-Destructive Examination (NDE) in many engineering and code environments, is the examination of materials, welds, components or assemblies without destroying their intended usefulness. NDT is used to find, characterize or monitor conditions that could affect quality, integrity or service performance.
The correct NDT method depends on the material, geometry, expected discontinuity, location, access, required sensitivity and governing specification. No single method is universally best.
Visual Testing (VT)
Liquid Penetrant Testing (PT)
Magnetic Particle Testing (MT)
Ultrasonic Testing (UT)
Radiographic Testing (RT)
Phased Array Ultrasonic Testing (PAUT)
Time of Flight Diffraction (TOFD)
Eddy Current Testing (ECT)
