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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
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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. 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].

SDO ISO: International Organization for Standardization
Document Number ISO 148
Publication Date April 1, 2026
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO/TC 164/SC 4
Publish Date Document Id Type View
April 1, 2026 ISO 148-4:2026 Revision