This electrical technique can be used to maintain the protective film on steel surfaces, significantly reducing corrosion rates in tanks and heat exchangers.
Crucially, the standard mandates exact cure times, surface preparation, and alignment tolerances. A common mistake the standard addresses is "dry fitting"—never assemble FRP joints without properly applying adhesive and letting it cure. nace rp 0391 pdf
The guide generally cautions against the use of standard stainless steels (like 304 or 316) for HF service. They can suffer from pitting and stress corrosion cracking in specific concentrations. This electrical technique can be used to maintain
NACE RP 0391 is a recommended practice (RP) document that outlines the requirements for evaluating corrosion inhibitors used in oil and gas operations. The document provides a comprehensive framework for testing and evaluating the performance of corrosion inhibitors in various environments, including oil production, gas processing, and transportation systems. The standard covers a range of topics, including laboratory testing, field testing, and performance criteria for corrosion inhibitors. The guide generally cautions against the use of
If you work for a university, research lab, or major engineering firm, check your internal library or standards database—you may already have access.
One of the most valuable sections of RP0391 is its analysis of how impurities affect corrosion:
NACE RP 0391 (now standardized under AMPP as ) is the definitive industry standard for “Materials for the Handling and Storage of Dry FGD Waste.” But finding a free PDF of this document online is a minefield. Here is what you need to know about the standard, why it matters, and why you should be careful where you download it.