MMechAtlasby MaintAi_Lab

API 5L Line pipe

CurrentLatest edition found. Still confirm amendments with the publisher.
Edition
47th edition, 2026
Publisher
API
Part family
Pipes, flanges & gaskets
Reviewed
12 October 2026 · source checked

Is API 5L still current?

Yes. 47th edition, 2026 is the latest edition MechAtlas found (MechAtlas review: 12 October 2026). Check the publisher for amendments before you specify it.

What it covers

Steel line pipe for pipeline transportation systems.

Edition research: 46th ed. 2018

Material
Steel
Typical application
Oil & gas
What you specify
Outside diameter; wall thickness; length
Watch out
Specify grade, product specification level and delivery condition.

Equivalent and related standards

StandardRelationshipNote
ISO 3183Similar purpose — not interchangeable without an engineering checkISO adds annexes

“Similar” never means interchangeable without an engineering check.

Parts that use API 5L

Official source

MechAtlas does not reproduce standards. Check the official edition at the publisher's page for API 5L or the API store.

Open in MechAtlasCheck a drawing callout

Other pipes, flanges & gaskets standards

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