Handling concentrated sulfuric acid requires precision to avoid catastrophic material failure and safety risks. For years, NACE RP0391 was the industry benchmark for selecting materials for these high-risk environments.
This standard does not apply to acid concentrations below 90% or temperatures exceeding 50°C. GlobalSpec Key Technical Guidance Material Selection:
The standard does not simply list products; it outlines performance criteria. It discusses the importance of: nace rp 0391 pdf
NACE SP0294: Detailed guidelines for the design, fabrication, and inspection of sulfuric acid storage tanks.
By respecting the technical depth of NACE RP 0391, you ensure that your FRP pipelines survive their intended service life—resisting both internal corrosion and external mechanical damage. That is the true value of owning and applying the official PDF. Verify the Revision: Ensure the document matches the
Ductile & Gray Cast Iron: Historically used for piping, though modern systems often prefer alloys or lined steel.
Yes, provided the resin is hydrocarbon-resistant. The standard covers FRP for hydrocarbon service, but check for specific fuel-grade additives. Frequently Asked Questions About NACE RP 0391 PDF
NACE RP0391, titled "Materials for the Handling and Storage of Concentrated Sulfuric Acid at Ambient Temperatures," is a standard practice developed by NACE International (now part of AMPP: Association for Materials Protection and Performance).