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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

Standard Details

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

This document can be applied, by agreement, to other impact testing machines, such as drop-weight towers or 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].

General Information

Status : Published
Standard Type: Main
Document No: ISO 148-4:2026
Document Year: 2026
Pages: 8
Edition: 1
  • Section Volume:
  • ISO/TC 164/SC 4. Toughness testing -- Fracture (F), Pendulum (P), Tear (T)

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ISO 148-4:2026
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