If you have been searching for the , you likely need more than just a file download. You need to understand the standard’s requirements, its application in plant design, and why it is the definitive guide for combating sulfuric acid corrosion.
Always check the revision history. The original has been superseded. The current version as of 2025 is AMPP SP0391-2018 (R2023) — the "R2023" means reconfirmed in 2023 with no technical changes.
Originally published by NACE (National Association of Corrosion Engineers), RP 0391 stands for .
The acid aggressively absorbs moisture from the atmosphere. Diluted acid is far more corrosive to many common materials than concentrated acid.
If you have been searching for the , you likely need more than just a file download. You need to understand the standard’s requirements, its application in plant design, and why it is the definitive guide for combating sulfuric acid corrosion.
Always check the revision history. The original has been superseded. The current version as of 2025 is AMPP SP0391-2018 (R2023) — the "R2023" means reconfirmed in 2023 with no technical changes.
Originally published by NACE (National Association of Corrosion Engineers), RP 0391 stands for .
The acid aggressively absorbs moisture from the atmosphere. Diluted acid is far more corrosive to many common materials than concentrated acid.