(Standard Practice), titled "Control of Corrosion Under Thermal Insulation and Fireproofing Materials—A Systems Approach," is the industry-standard guide for mitigating one of the most persistent and costly issues in the oil, gas, and chemical industries: Corrosion Under Insulation (CUI) .
The standard is organized into several functional sections, each addressing a different facet of the CUI problem: nace sp0198 pdf
Originally issued in 1998 as RP0198, the standard was revised and redesignated as in 2010 to reflect modern technology and a more holistic "systems approach" to CUI prevention. The most recent active version is NACE SP0198-2017 , which continues to serve as the benchmark for protecting piping and equipment in refineries and power plants. Key Content and Sections nace sp0198 pdf