Pre-Inspection Activities
- Welder qualification records WQT/WQR.
- Inspection and test plans ITP.
- Calibration of NDT equipment
Visual Inspection (VT)
- Inspection before, during, and after welding
Non-Destructive Testing (NDT)
Radiographic Testing (RT)
- X-ray or gamma ray inspection of welds
- Detection of internal defects (porosity, inclusions, cracks)
- Film interpretation and reporting
Ultrasonic Testing (UT)
- Detection of internal flaws and thickness measurement
- Phased Array UT (PAUT) or TOFD (if required)
Magnetic Particle Testing (MT)
- Detection of surface and near-surface defects (ferromagnetic materials)
Dye Penetrant Testing (PT)
- Surface defect detection (non-porous materials)
Destructive Testing (if required)
- Tensile testing
- Bend tests
- Impact (Charpy) tests
- Macro/micro examination
Weld Monitoring & In-Process Inspection
- Monitoring welding parameters (heat input, amperage, voltage)
- Interpass temperature checks
- Preheat and post-weld heat treatment (PWHT) verification
Defect Evaluation & Acceptance
- Assessment of weld defects against applicable codes
- Classification of defects (acceptable / rejectable)
- Recommendations for repair or rework
Repair Inspection
- Re-inspection of repaired welds
- Verification of defect removal and weld quality
- Documentation of repair cycles
Documentation & Reporting
