Final rule · 2026-08069

Pipeline Safety: Standards Update-ASTM A372/A372M

This DFR amends PHMSA's regulations to incorporate by reference an updated edition of industry standard ASTM A372/A372M, Standard Specification for Carbon and Alloy Steel Forgings for Thin- Walled Pressure Vessels. This updated standard will maintain or improve public safety, prevent regulatory confusion, reduce compliance burdens on stakeholders, and satisfy a mandate in the National Technology Transfer and Advancement Act (NTTAA) of 1995.