---
title: "Naphthenic Acid Corrosion"
slug: "naphthenic-acid-corrosion"
updated: 2026-10-27T23:12:43Z
published: 2026-10-27T23:12:43Z
canonical: "ims-handbook.cenosco.com/naphthenic-acid-corrosion"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://ims-handbook.cenosco.com/llms.txt
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# Naphthenic Acid Corrosion

## Summary

Naphthenic Acid Corrosion (NAC) consumes a metal by direct reaction at elevated temperatures with organic acids that are naturally present in many crude oils and their distillates.

[PDF document](https://cdn.document360.io/e492a0e0-a4ba-4aca-8fc6-76b95f91fdf3/Images/Documentation/CEN.16.10657 - Naphthenic Acid Corrosion.pdf?sv=2026-02-06&spr=https&st=2026-10-28T14%3A21%3A19Z&se=2026-10-28T15%3A21%3A19Z&sr=c&sp=r&sig=UWQ1JwcctG84aSMHuPGeWfuD4ef4cdeCnZWPQwXtR1E%3D)