BS 7774:1994

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Threaded fasteners. Axial load fatigue testing. Test methods and evaluation of results

Published By	Publication Date	Number of Pages
BSI	1994	24

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Categories: 21.060.01 - Fasteners in general, BSI

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Description

This International Standard specifies the conditions for carrying out axial load fatigue tests on threaded fasteners, as well as recommendations for the evaluation of the results.

Unless otherwise agreed, the tests are of the fluctuating tension type and are carried out at room temperature, the loading applied being centric along the longitudinal axis of the fastener. The influence of the compliance of clamped parts on the strain of the fastener is not taken into account.

This method allows determination of the fatigue strength of threaded fasteners.

The test results can be influenced by the test conditions. For this reason, minimum requirements are specified to reduce this effect. In addition, calibration and centring control methods for the testing apparatus are included.

Additional information

Status	Definitive
Pages	24
Publication Date	1994-08-15
ISBN	0 580 23243 3
Standard Number	BS 7774:1994, ISO 3800:1993
Title	Threaded fasteners. Axial load fatigue testing. Test methods and evaluation of results
Identical National Standard Of	ISO 3800:1993
Descriptors	Test specimens, Threaded fasteners, Statistical methods of analysis, Mechanical testing, Mathematical calculations, Axial stress, Fatigue testing, Formulae (mathematics), Reports, Fasteners, Testing conditions, Calibration, Statistical quality control, Test equipment
Publisher	BSI
Committee	FME/9
ICS Codes	21.060.01 - Fasteners in general

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BS 7774:1994

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