CASE STUDY | High-temperature UT Inspection of Coarse-Grained Stainless Steel Using HotSense™ UT
Inservice, UT to ensure reliable thickness data on Inservice, UT to ensure reliable thickness data on coarse-grained stainless steel.
Inspection
TECHNICAL NOTE | Enhancing high-temperature PAUT and TOFD inspection for weld root erosion
Enhancing high-temperature PAUT and TOFD inspection for weld root erosion
TECHNICAL NOTE | High-Temperature Weld Root Corrosion Inspection
Conventional TOFD struggles with high-temperature inspections due to transducer limitations and signal interference. In this case, Ionix high-temperature TOFD transducers with integrated wedges enabled reliable inspection of a carbon steel pipe weld at 200 °C. Mounted on a modified EddyFi Lyncs scanner and paired with a Mantis UT system, the setup successfully identified weld root corrosion, demonstrating suitability for continuous operation up to 350 °C.
CASE STUDY | In-service Automated UT Corrosion Mapping of Pipeline at Risk of Sulfidation
IRISNDT sought a solution for automated corrosion mapping of a high-temperature pipeline prone to sulfidation. Using ultrasonic testing (UT), they measured remaining wall thickness in refinery piping circuits, ensuring reliable scans with durable transducers to maximize productivity.
CASE STUDY | In-service High Temperature UT Inspection Survey by MISTRAS at a U.S. Oil Refinery
Mistras, a leader in inspection services, faced a challenge at a US West Coast refinery. They needed to perform Ultrasonic Testing (UT) on pipework and equipment operating at high temperatures (350 °F to 700 °F) using specialised transducers. The goal was to measure thickness at corrosion monitoring locations with minimal downtime, ensuring system integrity.
CASE STUDY | In-process weld repair of ammonia converter with HotSense™ TOFD
High-temperature TOFD inspection was conducted during weld repairs at elevated temperatures and varying fill levels, providing accurate, repeatable defect detection. This approach eliminated the need for cooling and reheating, reducing maintenance time and increasing productivity by performing both welding and inspection simultaneously.
CASE STUDY | High-temperature TOFD for high-pressure steam lines
Wright Quality Services (WQS), a leading Canadian NDT service provider, conducted routine maintenance inspections on a high-pressure steam line for a refinery operator. Utilizing advanced Phased Array Ultrasonic Testing (PAUT) and high-temperature Time of Flight Diffraction (TOFD) methods, WQS effectively detected weld root erosion under extreme conditions exceeding 300 °C. The inspection, focused on identifying early signs of deterioration, provided high-resolution imaging and superior accuracy, ensuring the reliability of critical welds in high-pressure steam systems.
BLOG | Experience Precision at your Fingertips
In industries requiring accurate thickness gauging and corrosion detection, ensuring the safety and longevity of critical assets is paramount. HotSense™ HS782i by Ionix is engineered specifically for extreme environments, providing precise measurements of wall thickness from 1 to 25 mm at temperatures up to 200 °C. Its compact, fingertip-sized design allows for easy access to hard-to-reach areas, making on-stream inspections faster and more efficient. With cutting-edge technology and durable construction, HS782i stands out as the go-to solution for on-stream inspections aiming to maintain equipment integrity under challenging conditions.
CASE STUDY | In-service stack inspection by UAV
Significant corrosion can occur in stacks and flares due to the presence of acidic compounds in the gases, in the presence of moisture and at elevated temperatures.
A refinery operator sought to inspect their stacks, onstream at high-temperatures using aerial drone platform with a HotSense UT payload to determine fitness for service.
Read our latest case study that highlights why on-stream inspection requires robust transducers with high sensitivity and temperature resilience , and which can reliably make high-temperature wall thickness measurements to prevent the need for shutdown and maintain productivity while reducing costs.
Application Note – High-Temperature Weld Root Corrosion Inspection
Ionix high-temperature TOFD transducers, with integrated wedges, are suitable for weld inspections at continuous elevated temperatures up to 350 °C. Here, the transducers with integrated wedges are mounted on to a modified EddyFi Lyncs scanner for high-temperature encoding, with high-temperature couplant, connected to
commercially available Mantis UT set, and a carbon steel pipe weld inspected at 200 °C for weld root corrosion.