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Industrial inspection · India & UAE
ECA for heat exchanger tube assessment
Array tube probes can add circumferential information for compatible tube geometries. The technique choice depends on alloy, internal diameter, wall thickness, supports, tube sheets, cleanliness and target damage. Bobbin ECT remains useful for efficient general surveys; array and rotating probes can be evaluated for localised indications. Selection and achievable coverage are confirmed for each bundle.
Request a proposal Explore servicesTechnical context
Inspection scope, suitable probe design, reference standards and reporting requirements should be determined for the actual asset. Where feasibility is uncertain, send the drawings and inspection objective for review.
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Surface components
Discuss surface condition, geometry and expected defects.
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Carbon steel welds
Surface and near-surface indication planning.
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Heat exchanger tubes
Bundle survey and localised tube indications.
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Structural surfaces
Plate and accessible detail inspection.
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Tube ends
Expansion and support-region concerns.
Explore application →From enquiry to inspection decision
Supply
Tube sheet layout, alloy, OD, wall, length, count, support locations and inspection history.
Plan
Probe fit, accessible length, reference tube, calibration and expected inspection rate.
Assess
Map indications by tube and location using the agreed reporting and review criteria.
METHOD GUIDANCE
Method selection and standards
The inspection route is selected for the actual material, geometry, access and damage objective. Standards are applied only when they are relevant to the agreed project procedure.
How is an Eddy Current Array method selected?
Method selection starts with material conductivity and magnetic properties, component geometry, surface condition, access, expected flaw orientation and the decision the inspection must support. Probe arrangement, frequency, reference standards, calibration, scanning pattern and reporting are then defined for the actual component.
Which standards may be relevant to an inspection?
Examples can include ASTM E3052-21 for examination of carbon steel welds using ECA, ISO 15549:2019 for general eddy current testing principles, and ISO 17643:2015 for eddy current testing of welds by complex-plane analysis. ASTM E243-24 addresses copper and copper-alloy tube ECT using encircling coils and is not an ECA-specific array procedure. The applicable edition, calibration approach and acceptance criteria should be agreed in the project procedure.
Need a project-specific answer?
Contact IAIS with the component details and required schedule. Inspection capability and commercial terms are confirmed after scope review.
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