This is the chemical removal of high-temperature scale and the adjacent low-chromium layer of metal from stainless steel metal surfaces. After welding, or any other heat treatment method, a colored oxide layer forms, and underneath is the chromium-depleted layer on the surface of the steel. When… View Full Term
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Extending the Service Life of Electric Submersible Pumps in Oil and Gas Wells
By: Della Anggabrata
An electromagnetic acoustic transducer (EMAT) generates ultrasound via an electromechanical coupling, and is used to detect pipeline corrosion, cracks and...
By: Dileep Koodalil | Ultrasonic Non-Destructive Testing
Innovations in composite repair systems, particularly in regards to the materials used, are creating better options for pipeline repair with enduring results.
By: Chip Edwards and Tommy Precht of Allan Edwards Inc | Pipeline operations and maintenance
This article examines pipeline operational pigging for internal corrosion prevention, including requirements, pig types, pig selection, frequency of operation and evaluating the results to optimize total cost of ownership.
By: Monica Fernandez
Why Are My Insulation Surface Temperatures Out of Spec? on...
By: Doug Fast and Kim Melton
New closed circuit television (CCTV) cameras are used by water authorities and underground pipeline operators to inspect pipes, identify the cause of blockages, pinpoint corrosion problems and prioritize maintenance.
By: Australasian Corrosion Association
Dave Zilber became Chairman of the Mega Rust Naval Corrosion Conference in 2011, when the American Society of Naval Engineers (ASNE) took over...
By: Corrosionpedia Staff
The Alexander Cell works on exactly the same principal as a long-term weight loss, corrosion coupon, but has the advantage of giving an immediate result.
By: Roger Alexander
NDT inspectors are able to perform inspection services in difficult to access areas, including confined spaces, elevated areas, and on and offshore platforms.
By: Joel Hicks
Although simple and inexpensive, corrosion coupons often produce misleading results.
By: Alan Kehr | Managing Consultant, Alan Kehr Anti-Corrosion, LLC
Abstract Steel surfaces are frequently cleaned by abrasive impact prior to the application of protective coatings. The resultant surface profile, sometimes called an anchor pattern, is comprised of a complex pattern of peaks...
By: David Beamish | President, DeFelsko Corporation
In this case study, oil and gas offshore facility operators confront the high cost and safety issues associated with retrieving corrosion monitoring and chemical injection equipment from their pipelines.
By: Kevin Kirst | Industry Manager, Sentry Equipment Corp
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