NACE RP0472 (now designated as ) is a critical industry standard that provides methods and controls to prevent in-service environmental cracking of carbon steel weldments in corrosive petroleum refining environments. It serves as the primary consensus standard for the refining industry, superseding the discontinued API RP 942 . Core Scope and Applications
: It focuses on mitigating Hydrogen Stress Cracking (HSC) —specifically Sulfide Stress Cracking (SSC) —and Alkaline Stress Corrosion Cracking (ASCC) . Key Control Methods nace rp0472 pdf
: The standard emphasizes the importance of detailed reporting, including the type of anomalies detected, their locations, and recommendations for further actions. NACE RP0472 (now designated as ) is a
Hardness testing should be performed using portable Brinell testers, typically on the process side of the weldment. Exemptions: including the type of anomalies detected