NDT LEVEL III PREPARATORY
This course is designed for NDT Level II Inspectors preparing for the ASNT NDT Level III examination. The training covers fundamental and advanced concepts for each NDT method, including applicable codes, standards, and industry best practices.
1. BASIC (7 Days) :
• NDT Overview & Responsibilities of a Level III :
• Role and responsibilities of an NDT Level III
• Certification requirements (ASNT SNT-TC-1A, CP-189, ISO 9712)
• Materials and Process Technology :
• Properties of metals and alloys
• Manufacturing processes (welding, casting, forging, machining)
• NDT Methods & Comparisons :
• Principles of major NDT methods (UT, RT, MT, PT, ET, LT, AE, VT)
• Selection of appropriate methods for different applications
• Codes, Standards & Procedures :
• ASME, ASTM, AWS, API, ISO standards
• Writing NDT procedures and interpreting specifications
• Quality Assurance & Reliability :
• Probability of detection (POD)
• Statistical analysis and reliability of NDT methods
• Ethical & Legal Responsibilities :
• Ethical practices in NDT
• Safety regulations and liability considerations
2. ULTRASONIC TESTING (UT) – 7 Days :
• Advanced Ultrasonic Principles :
• Sound wave propagation, mode conversion, and attenuation
• Near-field and far-field effects
• UT Equipment & Probes :
• Transducers, frequencies, and beam characteristics
• Calibration and sensitivity settings
• Advanced UT Techniques :
• Phased Array Ultrasonic Testing (PAUT)
• Time-of-Flight Diffraction (TOFD)
• Data Interpretation & Sizing :
• A-scan, B-scan, and C-scan analysis
• Flaw characterization (cracks, inclusions, porosity)
• Standards & Codes :
• ASME Section V, ASTM E164, AWS D1.1
• Reporting & Procedure Writing :
• Evaluating scan results
• Writing UT reports and procedures
3. MAGNETIC PARTICLE TESTING (MT) – 5 Days :
• Magnetic Theory & Principles :
• Magnetic fields, permeability, and flux leakage
• Magnetization techniques (direct and indirect)
• MT Equipment & Techniques :
• Yokes, coils, prods, and electromagnetic current flow
• Dry and wet particle testing methods
• Defect Detection & Interpretation :
• Surface and subsurface flaw identification
• Indication evaluation and acceptance criteria
• Codes & Standards :
• ASME Section V, ASTM E1444, ISO 9934
• Documentation & Reporting :
• Writing MT procedures and interpreting results
4. PENETRANT TESTING (PT) – 5 Days :
• Principles of Liquid Penetrant Testing :
• Capillary action, dwell time, and removal methods
• Sensitivity levels and penetrant types
• PT Techniques & Applications :
• Water-washable, post-emulsifiable, and solvent-removable PT
• Fluorescent vs. visible dye inspection
• Defect Identification & Evaluation :
• Common discontinuities in welds, castings, and forgings
• Interpretation of indications and false indications
• Codes & Standards :
• ASME Section V, ASTM E1417, ISO 3452
• Procedure Writing & Reporting :
• Documentation and evaluation of PT results
5. RADIOGRAPHIC TESTING (RT) – 7 Days :
• Principles of Radiation & X-ray Physics :
• X-ray and gamma-ray properties
• Interaction of radiation with materials
• RT Equipment & Image Formation :
• X-ray tubes, isotopes, and exposure techniques
• Film and digital radiography (CR, DR)
• Defect Identification & Interpretation :
• Film density, contrast, and sensitivity
• Radiographic image analysis and IQI selection
• Radiation Safety & Regulatory Compliance :
• ALARA principles, dose limits, and shielding
• ASNT, NRC, and international radiation safety guidelines
• Codes & Standards :
• ASME Section V, ASTM E1742, API 1104
• Reporting & Documentation :
• Writing RT reports and reviewing radiographic films
Final Preparation & Examination Review :
•
Mock Exams & Practice Questions
•
Discussion on Key Topics & Problem-Solving
•
Review of Sample Procedures & Reports
This structured training ensures candidates are well-prepared for the ASNT NDT Level III examination with in-depth theoretical knowledge, practical applications, and standards compliance.
