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Title: Feasibility Of Internal, In-Place Coating For Corrosion Control
Author: W. H. Chapman, R. E. Gibbons
Source: American Gas Association 1976
Year Published: 1976
Abstract: The NACE Technical Practice recommends, Where an internal corrosion problem is anticipated, mill applied internal coatings may be considered. This application leaves the weld area bare and is not recommended without use of corrosion mitigation methods, such as chemical injection. Coatings applied in-place may also be considered. The purpose of this paper is to discuss a method of applying a coating in-place, which was developed by El Paso Natural Gas Company and is believed to be more effective in combating internal corrosion problems, at least on some lines. Internal, in-place coatings cover the weld area, and should be effective without inhibitors. Naturally, economics and feasibility for each particular line must be weighed, but the process is feasible and guidelines have been established to make this a successful method of corrosion prevention.


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