20/30361190 DC - BS ISO 22407. Metallic materials. Fatigue testing. Axial plane bending method

20/30361190 DC

BS ISO 22407. Metallic materials. Fatigue testing. Axial plane bending method

Status : Current, Draft for public comment   Published : January 2020



This International Standard specifies the conditions for conducting plane bending fatigue test on axial machine, constant-amplitude, force or displacement controlled, at room temperature (ideally between 10°C and 35°C) on metallic specimens, without deliberately introduced stress concentrations. This International standard does not include reversed/partially loading test. The purpose of test while using this International Standard is to provide relevant results, such as the relation between applied stress and number of cycles to failure for a given material condition, expressed by hardness and microstructure, at various stress ratios.

Although the shape, preparation and testing of specimens of rectangular and beveled cross-section are specified; component testing and other specialized forms of testing are included in this International Standard.


Fatigue tests on notched specimens are not covered by this International Standard since the shape and size of notched test pieces have not been specified in any standard so far. Guidelines are given in Annex A. However, it is permitted to use the fatigue-test procedures described in this standard for testing of such notched specimens.


There is a possibility of getting the results of a fatigue test be affected by atmospheric conditions, and where controlled conditions are required, subclause 2.1 of ISO 554 applies.

Standard Number20/30361190 DC
TitleBS ISO 22407. Metallic materials. Fatigue testing. Axial plane bending method
StatusCurrent, Draft for public comment
Publication Date13 January 2020
Normative References(Required to achieve compliance to this standard)ISO 23718, ISO 4965-1, ISO 7500-1, ASTM E2309/E2309M, EN 6072, ISO 12107, ISO 554, ISO 4965-2
Informative References(Provided for Information)EN 6072:2012, ISO/IEC Guide 98-3
International RelationshipsISO/DIS 22407:2020
Draft Expiry Date07 March 2020
DescriptorsMetals, Bending, Planes, Axial, Testing
Title in FrenchMatériaux métalliques — Essais de fatigue — Méthode par flexion plane axiale
File Size682 KB
NotesWarning: this draft is not current beyond its expiry date for comments.

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