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ISO 14122-3 / -4 Stairs, guard-rails / fixed ladders

ChangingA new edition or revision is being prepared. Check before you specify.
Edition
ISO 14122-3:2016; ISO 14122-4:2016
Publisher
ISO
Part family
Structural steel design
Reviewed
23 October 2026 · source checked

Is ISO 14122-3 / -4 still current?

Yes, but a revision is coming. It is still in use, but a revision is in progress. The current reference is ISO 14122-3:2016; ISO 14122-4:2016 (MechAtlas review: 23 October 2026). Check the publisher before you specify it.

What it covers

Stairs, guard-rails / fixed ladders

Equivalent and related standards

StandardRelationshipNote
EN ISOIdentical adoption

“Similar” never means interchangeable without an engineering check.

Official source

MechAtlas does not reproduce standards. Check the official edition at the publisher's page for ISO 14122-3 / -4 or the ISO store.

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Other structural steel design standards

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