# Pipeline Safety: Standards Update-ASTM A53/A53M
> **Pipeline and Hazardous Materials Safety Administration** · Direct final rule (DFR); confirmation of effective date. · Published 2025-10-02 · Effective 2026-01-01 · 90 FR 47626
## Document
- **Document number:** 2025-19337
- **Category:** pipeline-safety
- **Sub-agency:** Pipeline and Hazardous Materials Safety Administration
- **Federal Register citation:** 90 FR 47626
- **CFR reference:** 49 CFR 192
- **Publication date:** 2025-10-02
- **Effective date:** 2026-01-01
- **DOT docket:** Docket No. PHMSA-2025-0123
## Abstract

PHMSA is confirming the effective date for the DFR that appeared in the Federal Register on July 1, 2025. The DFR amended PHMSA's regulations at 49 CFR parts 192 and 195 to incorporate by reference ASTM International's updated industry standard ASTM A53/A53M, "Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc- Coated, Welded and Seamless."

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2025/10/02/2025-19337/pipeline-safety-standards-update-astm-a53a53m)
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