ISO 148-4:2026

Current Revision
Metallic materials - Charpy pendulum impact test - Part 4: Testing of miniature Charpy-type V-notch test pieces

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ISO 148-4:2026

Metallic materials - Charpy pendulum impact test - Part 4: Testing of miniature Charpy-type V-notch test pieces

PUBLISH DATE 2026
ISO 148-4:2026

This document specifies the pendulum impact test method on miniature Charpy-type V-notch test pieces of metallic materials.[1].

This document does not cover instrumented impact testing of miniature Charpy-type V-notch test pieces, which is specified in ISO 14556:2023, Annex D.

This document can be applied, by agreement, to other impact testing machines, such as:

  • drop-weight towers
  • high-speed servo-hydraulic machines

The user should be aware that data obtained from miniature test pieces are not directly comparable to those obtained from full-size standard Charpy V-notch test pieces[2],[3].

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