# Standards News Highlights

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### API Announces 47th Edition of Foundational Line Pipe Standard

WASHINGTON, June 2, 2026 — The American Petroleum Institute (API) today announced the publication of the 47th edition of API Specification 5L (API Spec 5L), Line Pipe. Originally published in 1924 as API’s first standard, API Spec 5L has supported the safe and reliable manufacture of steel line pipe used to transport oil and gas for more than a century. The 47th edition includes important new requirements across more than 15 topic areas, including high-frequency weld (HFW) pipe quality and pipe used in CO2 transport.

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### API Specification 5L, Line Pipe

API has published the 47th edition of American Petroleum Institute Specification 5L (API Spec 5L), Line Pipe. Originally introduced as API’s first standard in 1924, the updated edition includes new requirements across more than 15 topic areas to support the safe and reliable manufacture of steel line pipe used in energy transportation, including CO2 transport.

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### API Recommended Practice 1192 (RP 1192), Transportation of Carbon Dioxide by Pipeline

API has published Recommended Practice 1192 (RP 1192), Transportation of Carbon Dioxide by Pipeline .This first edition standard provides performance requirements for the safe and reliable transport of carbon dioxide (CO2) by pipeline. It also addresses the design, construction, operation, and management of CO2 pipelines

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### API Strengthens Requirements for Steel Casing and Tubing

WASHINGTON, May 5, 2025 — The American Petroleum Institute (API) is pleased to announce the publication of an Addendum to the 11th edition of the API 5CT, Casing and Tubing . The update strengthens the requirements for the manufacture of steel casing and tubing used in oil and gas drilling and production operations, enhancing safety, environmental protection and operational integrity.

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### Addendum to API RP 1183 for Improved Dent Screening

In December 2020, American Petroleum Institute (API) published Recommended Practice 1183, First Edition (RP 1183), Assessment and Management of Dents in Pipelines. Since being issued, RP 1183 has been applied by pipeline operating companies and engineering consultants providing services to the energy pipeline industry to evaluate dents and deformations on pipeline systems and to support mitigation and repair decisions. RP 1183 includes various screening tools to estimate the remaining fatigue life of a dent in a pipeline.

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### New API Report Highlights Broader Global Adoption of API Standards

February 4, 2025 – The American Petroleum Institute (API) today released a new report, 2025 API StandardsInternational Usage Report, detailing the growing international influence of API standards. The report identifies where governments and standards bodies reference API standards in policies, national and international standards, and technical regulations, highlighting the paramount role of API standards in advancing safety, sustainability, and efficiency across the global natural gas and oil industry.

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### API Enhances 3D Printing Guidelines with Updated Additive Manufacturing Standard

The American Petroleum Institute (API) is pleased to announce the release of the second edition of API Standard 20S, Qualification of Metal Additive Manufacturing Processes and Components Production Control for Use in the Petroleum and Natural Gas Industries. This update strengthens the industry’s ability to effectively deploy additive manufacturing (AM), or 3D printing, improving efficiency, supply chain resilience and sustainability across oil and natural gas operations.

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### Addendum 1 to API RP 2001, 10th Edition: Fire Protection in Refineries

API has published Addendum 1 to API Recommended Practice 2001, 10th Edition - "Fire Protection in Refineries."
This addendum strengthens existing fire safety measures by introducing new protocols for pre-planning and incident response in refineries.

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### Addendum to the 11th edition of the API 5CT, Casing and Tubing

The American Petroleum Institute (API) is pleased to announce the publication of an Addendum to the 11th edition of the API 5CT, Casing and Tubing. The update strengthens the requirements for the manufacture of steel casing and tubing used in oil and gas drilling and production operations, enhancing safety, environmental protection and operational integrity.

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### API Updates Fire Protection Standard for Refineries

October 24, 2024 – The American Petroleum Institute (API) today announced the publication of Addendum 1 to API RP 2001, 10th Edition, “Fire Protection in Refineries.” This addendum strengthens existing fire safety measures by introducing new protocols for pre-planning and incident response in refineries.

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