Federal Register #2026-15581

PHMSA Regulatory Update: Incorporation of ASTM A372/A372M-25 and Related Standards

This notice announces a regulatory update from the Department of Transportation's Pipeline and Hazardous Materials Safety Administration (PHMSA): - PHMSA is incorporating the 2025 edition of ASTM A372/A372M, Standard Specification for Carbon and Alloy Steel Forgings for Thin-Walled Pressure Vessels, into federal pipeline safety regulations (49 CFR part 192) - The update replaces references to older editions of ASTM A372/A372M with the latest reapproved version - Additional standards referenced include: - NFPA 58 (Liquefied Petroleum Gas Code) - NFPA 59 (Utility LP-Gas Plant Code) - ASTM F2620 (Standard Practice for Heat Fusion Joining of Polyethylene Pipe and Fittings) - ASTM D2564 (Standard Specification for Solvent Cements for Poly(Vinyl Chloride) (PVC) Plastic Piping Systems) - No products, part numbers, or purchase quantities are being requested - No bids, proposals, or procurement actions are solicited; this is a regulatory standards update - OEMs and standards organizations mentioned: - ASTM International (ASTM A372/A372M, ASTM F2620, ASTM D2564) - National Fire Protection Association (NFPA 58, NFPA 59) - The rule will become effective as scheduled, with no adverse comments received

Description

The Department of Transportation's Pipeline and Hazardous Materials Safety Administration (PHMSA) is confirming the effective date for a Direct Final Rule published on April 24, 2026. This rule amends regulations at 49 CFR part 192 to incorporate by reference the updated industry standard ASTM A372/A372M, which is the Standard Specification for Carbon and Alloy Steel Forgings for Thin-Walled Pressure Vessels. The effective date of this rule is January 1, 2027. No adverse comments were received that warranted withdrawal of the rule.

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