Review Of CP Criteria In Five Standards

Song, F. M.; Yu, H.
December 2011
Pipeline & Gas Journal;Dec2011, Vol. 238 Issue 12, p28
Trade Publication
The article evaluates all the historical versions of the cathodic potential (CP) criteria under the NACE Standard for controlling external corrosion of submerged steel piping systems. The authors relate that CP criteria are provided in different global CP standards resulting to confusion on the part of pipeline workers. They note that a review of the past eight versions of NACE Standards revealed a significant change implemented in the 1992 version wherein an off-potential criterion was added.


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