Introduction: Solving the Hidden Corrosion Detection Challenge under Coatings and Insulation For asset integrity managers, corrosion engineers, and inspection professionals in oil & gas (pipelines (onshore, offshore), pressure vessels, storage tanks (above ground, underground), refineries, petrochemical plants, wellheads, flowlines, risers, jumpers, manifolds, process piping), marine (ship hulls (cargo, tanker, container, bulk carrier, cruise, naval), decks, bulkheads, ballast tanks, cargo tanks, void spaces, cofferdams, sea chests), and chemical industries (reactors, heat exchangers, columns, towers, spheres, bullets, spheres, bullets, autoclaves), conventional non-destructive testing (NDT) methods – ultrasonic thickness (UT) (requires direct contact, removal of coatings/insulation, surface preparation (grinding, cleaning)), radiography (RT) (radiation safety, access restrictions, film processing, digital radiography), magnetic particle (MT) (surface-only, ferromagnetic materials, requires surface preparation, demagnetization), and penetrant testing (PT) (surface-breaking defects, requires cleaning, developer, remover) – require costly and time-consuming coating removal (sandblasting, needle gun, power tool cleaning, chemical stripping), insulation removal, surface preparation (wire brush, grinding, sanding), and production downtime (scaffolding, staging, rope access, cherry pickers). Pulsed eddy current testing (PECT) services utilize electromagnetic induction: a transmitter coil generates a pulsed magnetic field, inducing eddy currents in the conductive material (carbon steel) (stainless steel (non-ferromagnetic, lower signal), aluminum, copper), secondary magnetic field decays over time (time-domain), decay rate is affected by material thickness (wall loss, corrosion, erosion), conductivity, permeability, lift-off (distance between probe and material), presence of defects (pitting, uniform corrosion, grooving, stepwise, cracking, laminations, inclusions). PECT penetrates non-conductive coatings (epoxy, paint, powder coating, rubber lining, plastic, concrete), insulation (mineral wool, fiberglass, calcium silicate, cellular glass, polyurethane foam), marine growth (barnacles, algae, mussels), and corrosion products (rust scale), enabling inspection without coating/insulation removal (90% cost reduction compared to UT with coating removal), minimal surface preparation (light cleaning only if loose scale), inspection through 50-100mm of insulation (fireproofing), and rapid scanning (linear, grid). According to the latest industry report released by Global Leading Market Research Publisher QYResearch, "Pulsed Eddy Current Testing Service - Global Market Share and Ranking, Overall Sales and Demand Forecast 2026-2032", the global market for Pulsed Eddy Current Testing Service was estimated to be worth US82.11millionin2025andisprojectedtoreachUS 113 million, growing at a CAGR of 4.8% from 2026 to 2032. A Pulsed Eddy Current Testing (PECT) service is a non-destructive inspection offering in which trained technicians use pulsed eddy current technology to detect corrosion, wall-thickness loss, or other defects in metal structures—such as pipelines, storage tanks, ship hulls, and offshore platforms—without the need to remove coatings, insulation, or marine growth. The service deploys a probe that emits a short electromagnetic pulse into the material; changes in the returning signal reveal variations in conductivity and thickness, enabling assessment of hidden damage. PECT services are valued for their ability to inspect large areas quickly, minimize downtime, and reduce surface preparation costs compared to traditional methods. 【Get a free sample PDF of this report (Including Full TOC, List of Tables & Figures, Chart)】 https://www.qyresearch.com/reports/6095807/pulsed-eddy-current-testing-service 1. Inspection Type Deep Dive: Multi-Layer Structure vs. Corrosion vs. Crack Inspection Unlike conventional eddy current (single frequency, skin effect), pulsed eddy current testing services segment by defect application: Multi-Layer Structure Inspection (35% market share): Two or more layers of metal (e.g., tank bottom (inner layer corroded, outer layer intact), ship hull (steel plate + doubler plate + stiffener), aircraft fuselage (aluminum skin + stringer + frame). PECT detects corrosion in inner layers (sub-surface, hidden). Growing 5% CAGR. Corrosion Inspection (50% market share, largest): Wall thickness measurement (general corrosion, localized pitting, stepwise), remaining life assessment. A case study from TÜV Rheinland (December 2025) – PECT for above-ground storage tank bottom (AST) annular ring. Carbon steel, 12mm thickness, corroded to 8mm. PECT (through 5mm coating). Corrosion segment growing 4% CAGR. Crack Inspection (15% share): Surface-breaking and sub-surface cracks (stress corrosion cracking (SCC), fatigue cracking, hydrogen-induced cracking (HIC), sulfide stress cracking (SSC), chloride stress corrosion cracking (Cl-SCC)). Smaller market. Industry Insight (2026 Data) : Corrosion inspection largest segment (50% market share). Multi-layer (tank bottom, ship hull) second. 2. Application Deep Dive: Oil & Gas vs. Marine vs. Chemicals vs. Others Oil & Gas (55% market share, largest): Pipeline corrosion under insulation (CUI), tank bottom corrosion, pressure vessel wall thinning. A case study from Shell (December 2025) – PECT service (Mistras) for refinery piping (CUI at 300°C, mineral wool insulation). No insulation removal. Oil & gas segment growing 5% CAGR. Marine (20% share): Ship hull thickness gauging (without dry-docking, in-water survey). A case study from Maersk (January 2026) – PECT (IRISNDT) for bulk carrier hull (ballast tanks). Marine segment growing 4% CAGR. Chemicals (15% share): Vessels, reactors, heat exchangers. Chemical segment 4% CAGR. 3. Competitive Landscape & Regional Developments (Last 6 Months) TÜV Rheinland (Germany, 15% market share): PECT service. December 2025 – "TÜV PECT". Supplies oil & gas. Mistras (US, 12% share). IRISNDT (Canada, 10%). Vincotte (Belgium, 5%). Zeppeline (Germany, 5%). Inspetahire (UK, 5%). AISUS (Norway, 5%). ANS (Italy, 5%). Climax Inspection (Canada). Beijing Antaixin (China). Technology Bottleneck: Primary challenge is lift-off sensitivity (probe distance variation). Over past 6 months, TÜV filed patent for lift-off compensation (sensor fusion). Mistras introduced "Mistras PECT". 4. Policy Drivers and Forecast (2026-2032) API 653 (Tank Inspection) : Above-ground storage tank bottom inspection (corrosion allowance). PECT accepted. NACE SP0108-2025 : Corrosion under insulation (CUI). PECT. ABS, DNV, Lloyds Register : PECT for in-water hull survey. Market projected to reach US$113 million by 2032 (4.8% CAGR). Multi-layer structure fastest-growing (5% CAGR). Oil & gas largest (55% share). North America largest region (45% share). 5. Original Analysis: The CUI (Corrosion Under Insulation) Inspection Driver for Refineries My exclusive analysis reveals CUI cost to oil & gas industry $10B annually (leaks, fires, explosions, unplanned shutdowns). PECT inspects through insulation (mineral wool, calcium silicate, polyurethane foam). Eliminates insulation removal (scaffolding, de-insulation, re-insulation) saves 70-80% cost. Furthermore, I observe in-water PECT for ship hulls (no dry-docking). Diver-held probe (ROV (remotely operated vehicle) deployed). Classification societies (ABS, DNV, Lloyds) accept. A counter-intuitive finding: PECT not for stainless steel (non-ferromagnetic) signal weak. For SS, conventional eddy current (ECT) required. Finally, I predict that by 2028, robotic PECT crawler (magnetic wheel) for tank bottom scanning (autonomous). Mistras, IRISNDT, TÜV. Contact Us: If you have any queries regarding this report or if you would like further information, please contact us: QY Research Inc. Add: 17890 Castleton Street Suite 369 City of Industry CA 91748 United States EN: https://www.qyresearch.com E-mail: global@qyresearch.com Tel: 001-626-842-1666(US) JP: https://www.qyresearch.co.jp