Pipelines Get Chilly: New Cold-Proof Steel Rules
Published Date: 4/24/2026
Rule
Summary
Starting January 1, 2027, pipeline companies must follow the updated ASTM A333/A333M steel pipe standards to keep pipelines safe and reliable, especially in cold weather. This change helps avoid confusion, makes rules clearer, and reduces hassle for businesses. If you have concerns, you can comment by June 23, 2026, but otherwise, get ready to roll with the new rules!
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Analyzed Economic Effects
3 provisions identified: 3 benefits, 0 costs, 0 mixed.
Improves Pipeline Safety and Cold‑Weather Reliability
You (the public) will benefit from maintained or improved pipeline safety and better low‑temperature performance because the updated ASTM A333/A333M‑24 covers steel pipe for low‑temperature service and required notch toughness. PHMSA says these updates enhance tests and inspections and will help prevent safety gaps.
Pipelines Must Use ASTM A333/A333M‑24
If you operate or own pipeline facilities, PHMSA requires using the updated ASTM A333/A333M‑24 steel pipe standard starting January 1, 2027. The updated standard replaces the ASTM A333/A333M‑18 references in 49 CFR Sec. 192.113, Appendix B to part 192, and Sec. 195.106(e); you may begin complying after June 23, 2026 and may submit comments by June 23, 2026.
Expected Small Net Savings for Operators
PHMSA expects the regulatory change will reduce regulatory uncertainty and produce small net cost savings for the regulated community. The agency states the action is deregulatory, estimates total costs for the regulated community will be "less than zero," and notes cost savings could not be quantified.
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