Standardization of testing methodologies for fatigue, fracture, fracture toughness, and pendulum‐impact properties of metallic materials.

Excluded: The responsibility for application of the methods and for the results obtained.

Note: This does not preclude product committees from developing tests appropriate to their specific materials

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Sustainable Development Goals

This committee contributes with 2 standards to the following Sustainable Development Goal:


Published ISO standards *


ISO standards under development *

Participating members
Observing members

* number includes updates

Reference Title Type
ISO/TC 164/SC 4/WG 2   Pendulum impact toughness Working group
ISO/TC 164/SC 4/WG 3   Fracture toughness Working group
ISO/TC 164/SC 4/WG 4   Advanced apparatus and analysis Working group
ISO/TC 164/SC 4/WG 5   Fatigue testing: general conditions Working group
ISO/TC 164/SC 4/WG 6   Fatigue testing: elasto-plastic strain and crack growth conditions Working group
Liaison Committees to ISO/TC 164/SC 4

The committees below can access the documents of ISO/TC 164/SC 4:

Reference Title ISO/IEC
ISO/TC 17 Steel ISO
ISO/TC 107/SC 9 Physical vapor deposition coatings ISO


Organizations in liaison (Category A and B)
Acronym Title Category
EC - European Commission European Commission A

Date Month Location TC/SC Note
19 September 2024 Tsukuba (Japan) ISO/TC 164/SC 4  

* Information definite but meeting not yet formally convened
** Provisional

ISO/TC 164/SC 4 - Secretariat

ANSI [United States]

Tinius Olsen Testing Machine Co., Inc.
1065 Easton Road
Horsham 19044-8009 PA
United States

Tel: +1 215 675 71 00
Fax: +1 215 441 08 99