# Pipeline Safety: Standards Update-ASTM A381/A381M
> **Pipeline and Hazardous Materials Safety Administration** · Direct final rule (DFR); request for comments. · Published 2025-07-01 · Effective 2026-01-01 · 90 FR 28112
## Document
- **Document number:** 2025-12073
- **Category:** pipeline-safety
- **Sub-agency:** Pipeline and Hazardous Materials Safety Administration
- **Federal Register citation:** 90 FR 28112
- **CFR reference:** 49 CFR 192
- **Publication date:** 2025-07-01
- **Effective date:** 2026-01-01
- **DOT docket:** Docket No. PHMSA-2025-0124
## Abstract

This DFR amends PHMSA's regulations to incorporate by reference the updated industry standard ASTM A381/A381M-18, Standard Specification for Metal-Arc-Welded Carbon or High-Strength Low-Alloy Steel Pipe for Use with High-Pressure Transmission Systems. 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.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2025/07/01/2025-12073/pipeline-safety-standards-update-astm-a381a381m)
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