HHA webinar

SGS Hosts Free Global Webinar on Detecting Hot Hydrogen Attack

Geneva, Switzerland-based SGS SA, a company that provides inspection, verification, testing, and certification services worldwide, will host a free, one-hour Web seminar focusing on the use of advanced Non-Destructive Testing (NDT) methods for the identification of Hot Hydrogen Attack (HHA) in industrial plants. The webinar will be broadcast on three consecutive days, Feb. 23-25, at various times. For those in the United States who would like to participate, the broadcast times are Feb. 23 and Feb. 25 at 10 a.m. CST. The broadcast times for English sessions in other global cities (Abu Dhabi, Amsterdam, Brazil, Singapore, Sydney, and Wellington) are listed at www.ndt.sgs.com/.

SGS notes that the presence of hydrogen in industrial plants can cause unsafe situations and is a potential source of damage. HHA is a form of degradation caused by hydrogen reacting with carbon, forming methane (CH4), which in turn can lead to catastrophic failure. The probability of HHA damage in industrial plants is dependent on the type of alloy, the stress, its partial hydrogen pressure, and operating temperature. In the worst cases, HHA may lead to an actual break before any leakage is detected.

SGS, which has more than 25 years of experience in HHA detection and quantification, says HHA can be detected in a number of ways but adds that the reliability of some techniques is questionable. One of the goals of the worldwide webinar is thus to provide a platform to enable facility owners from different industrial fields to better understand the process of HHA and to discuss the most efficient and accurate inspection methods offered for its detection.

Norbert Trimborn, head of the Competence Center for Special NDT Examinations in the Netherlands, will conduct the webinar. SGS says Trimborn has been concentrating on studying NDT methods for more than 20 years and, since 1993, has been the course leader for NDT techniques for several institutions. In the webinar, he will explain the formation of HHA in material, underlining the difference between HHA and Hot Hydrogen Induced Cracking (HIC). Attendees will be presented with the different inspection methods for parent material as well as for welds and heat affected zones. Furthermore, the session will provide advice on what to do if damage caused by HHA is detected.

SGS operates a network of more than 1,000 offices and laboratories around the world and has more than 59,000 employees. For more information and webinar registration, visit the SGS Web site at www.ndt.sgs.com/.

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