On Unacceptable Use of Austenitic Sleeves and Surfacing Alloys for Repair of Carbon-Steel Equipment |
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| Authors: | M L Medvedeva L A Efimenko and A V Sidorenko |
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| Affiliation: | (1) Gubkin State University of Oil and Gas, Leninskii pr. 65, Moscow, 119991, Russia |
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| Abstract: | Substantial part of equipment in gas-treating plants for removal of acidic impurities in oil and gas refineries needs repair, for which purpose austenitic sleeves are often used. Austenitic surfacing nickel alloys recommended for restoring the damaged surface by overlaying welding was found to be unsuitable because both the deposited material and the fusion line with the base metal are electrochemically heterogeneous, which makes repaired apparatuses insufficiently reliable. Use of sleeves is also inexpedient.__________Translated from Zashchita Metallov, Vol. 41, No. 4, 2005, pp. 441–444.Original Russian Text Copyright © 2005 by Medvedeva, Efimenko, Sidorenko. |
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