Code Library

Design, materials, fabrication, testing, and operation of gas transmission systems. Introduces class-location-based design factors.

Design and operation of liquid transmission pipelines. Typically uses a single design factor and hydrostatic test criteria.

Provides material performance factors and additional requirements for hydrogen service in industrial and transmission piping.

LRFD framework for submarine pipelines covering design, installation, testing, and operation.

Recommended practice for design and operation of CO₂ transmission pipelines including running ductile fracture.

Defines material requirements (hardness, chemistry, processing) for resistance to sulfide stress cracking.

Framework for threat identification, risk assessment, inspection, and mitigation of liquid pipelines.

Acceptance criteria for in-service damage (metal loss, cracks, blisters) with Level 1–3 assessments.