Nace Rp 0391 Pdf

The standard discusses when liners are necessary.

The standard covers several key components of storage systems: 1. Carbon Steel Performance

Highly vulnerable to dilution from atmospheric moisture. Absorbed moisture thins the acid, destroying the passive film. 2. Ductile Iron and Alloyed Cast Irons nace rp 0391 pdf

AMPP - The Association for Materials Protection and Performance Document Status

NACE International (now part of ) maintains the copyright for this standard. The standard discusses when liners are necessary

Originally established in 1991 and revised in 2001 and 2016, this document (full title: Materials for the Handling and Storage of Commercial Concentrated Sulfuric Acid ) provides recommended practices for tanks and piping, aiming to prevent corrosion-related failures. Scope and Purpose

: Successfully used for piping where concentrations are below 96%. : Suitable for concentrations up to 98%. Absorbed moisture thins the acid, destroying the passive

Before proceeding, please note that NACE RP0391 has been officially withdrawn and superseded. It was replaced by NACE SP0391 , which was later designated as AMPP SP0391 (due to the merger of NACE and SSPC into AMPP). While the PDF may still be found in older archives or referenced in legacy specifications, it is no longer the current industry standard. Always consult the latest version ( AMPP SP0391 ) for new projects.