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ISO 148-1 / ASTM E23 Charpy impact test

ChangingA new edition or revision is being prepared. Check before you specify.
Edition
ISO 148-1:2016; E23-25
Publisher
ISO
Part family
Testing, certificates & NDT
Reviewed
23 October 2026 · source checked

Is ISO 148-1 / ASTM E23 still current?

Yes, but a revision is coming. It is still in use, but a revision is in progress: In progress at ISO: ISO/FDIS 148-1 (stage 50.00). The current reference is ISO 148-1:2016; E23-25 (MechAtlas review: 23 October 2026). Check the publisher before you specify it.

What it covers

Charpy impact test

Equivalent and related standards

StandardRelationshipNote
IS 1757-1Similar purpose — not interchangeable without an engineering check

“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 148-1 / ASTM E23 or the ISO store.

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