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  6. Inspection method for detecting high-temperature hydrogen attack (HTHA) before rupture occurs.

Inspection method for detecting high-temperature hydrogen attack (HTHA) before rupture occurs.

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last updated:Mar 12, 2026

Eddyfi Technologies ジャパンオフィス
Eddyfi Technologies ジャパンオフィス
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We propose an advanced portable tool capable of performing all ultrasonic techniques necessary for the identification of high-temperature hydrogen corrosion!

Regarding the aging of infrastructure in the petrochemical and other industrial sectors, there are various potential vulnerabilities that plant engineers and maintenance departments must pay attention to. Repeated loads and fatigue stress can lead to cracking over time, but there is another type of defect that is equally dangerous. This particular issue is difficult to detect and, if left unaddressed, can pose a serious threat to the integrity of the equipment. Therefore, managers responsible for maintaining industrial infrastructure must always remain vigilant and pay close attention to the latest best practices and technologies to identify and address potential issues. *For more detailed information, please refer to the PDF document. Feel free to contact us for further inquiries.*

    Other inspection equipment and devices
高温水素アタック1.png

Inspection method for detecting high-temperature hydrogen attack (HTHA) before rupture occurs.

高温水素アタック1.png
高温水素アタック1.png 高温水素アタック2.png 高温水素アタック3.png 高温水素アタック4.png
  • Related Link - https://www.eddyfi.com/
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Inspection method for detecting high-temperature hydrogen attack (HTHA) before fracture occurs [Application Note]

Inspection method for detecting high-temperature hydrogen attack (HTHA) before fracture occurs [Application Note]

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[Application Note] Latest Inspection Method for Early Detection of High-Temperature Hydrogen Attack (HTHA), PCI Coherence Imaging [PDF Download Available]

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In aging infrastructures such as the petrochemical industry, potential vulnerabilities that plant engineers and maintenance teams should be aware of, particularly high-temperature hydrogen attack (HTHA), are cited as one of the dangerous defects. This defect occurs when hydrogen contained in low-alloy steel changes its atomic form at high temperatures, permeating the steel and forming methane. Once methane is trapped within the metal, tiny bubbles form, ultimately leading to cracking and fissures. Eddyfi proposes advanced, portable ultrasonic inspection tools for the early detection of HTHA, utilizing TOFD, phased array ultrasonic testing (PAUT), and the latest total focusing method (TFM). This technology enables early detection of HTHA, enhancing the safety of critical equipment. For more detailed information, please [contact us].

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Eddyfi

Eddyfi Technologies ジャパンオフィス

Industrial Electrical Equipment

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Eddyfi Technologies contributes to improving productivity in manufacturing, various plants, and inspection service providers by offering the world's leading non-destructive testing (NDT) technologies, as well as promoting a safe society and environmental protection. The company focuses on providing advanced phased array ultrasound and eddy current array technologies, along with various ultrasonic and electromagnetic application technologies, including inspection equipment, sensors, software, and robots for key industries such as aerospace, energy, mining, power, and transportation. Eddyfi Technologies has over 650 employees across 13 centers of excellence (technology hubs) and sales offices worldwide, with NDT technology experts stationed at all locations.

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