In-Depth NDT Guides
Long-form cornerstone guides — the complete method references, asset-specific inspection programs and certification paths, written to ASNT Level III depth with real code citations.
The full corrosion monitoring cluster — CML strategy, damage mechanisms, RBI integration, UT mapping, FSM, ER/LPR probes, and CUI screening.
Read guideThe complete AWS Certified Welding Inspector cluster — QC1 program structure, $1,065 exam fee, 3-part exam (A/B/C), 25–30% first-attempt pass rate, eligibility matrix, prep paths, and 9-year recertification cycle.
Read guideHow to inspect heat-exchanger and condenser tubing — eddy current (ECT), remote field (RFT), near field (NFT), MFL, and IRIS ultrasonic. Method selection by tube material.
Read guideThe full MT cluster — wet fluorescent, dry visible, AC/DC/HWDC yokes, central conductor, coil shots. Codes, demag, lighting, and acceptance criteria.
Read guideThe complete magnetic flux leakage (MFL) pipeline inspection cluster — ILI tool physics, axial vs circumferential field, metal-loss sizing, API 1163 ILI validation, mileage cost ranges, and how MFL fits next to UT crawler and EMAT runs.
Read guideThe full offshore inspection cluster — topsides production equipment, risers, subsea infrastructure, ROV inspection, BSEE 30 CFR 250, API 17 series.
Read guideThe full PT cluster — Type I fluorescent, Type II visible, Methods A/B/C/D. Codes, sensitivity levels, dwell time, and acceptance criteria.
Read guideThe full PAUT cluster — linear, sectorial, TFM, encoded corrosion mapping. Codes, procedure qualification, equipment, training paths, and costs.
Read guideThe full pipeline inspection cluster — new construction AUT, ILI MFL/UT crack tools, direct assessment, ECA, integrity management under 49 CFR 192/195.
Read guideThe full RT cluster — Ir-192 and Se-75 gamma, X-ray crawlers, computed and digital radiography, CT. Codes, exposure math, safety, and field workflows.
Read guideThe full refinery inspection cluster — turnaround planning, unit-by-unit damage mechanisms, API 510/570/653, RBI, FFS, and OSHA PSM compliance.
Read guideThe complete aboveground storage tank inspection cluster — API 653 intervals, bottom MFL floor scanning, shell corrosion rates, API 653 Annex B settlement, and repair rules.
Read guideThe full UT cluster on NDT Connect — straight-beam, PAUT, TOFD, AUT, immersion. Codes, procedures, costs, vendor selection, and field troubleshooting.
Read guideThe full weld inspection cluster — VT, PT, MT, RT, UT, PAUT, TOFD. Codes (AWS D1.1, ASME IX, API 1104), acceptance criteria, and WPS qualification.
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