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BS ISO 7257:2016

BS ISO 7257:2016

Current

Current

The latest, up-to-date edition.

Aircraft. Hydraulic tubing joints and fittings. Rotary flexure test

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

06-30-2016

Publisher

British Standards Institution

Foreword
Introduction
1 Scope
2 Requirements
3 Procedure
4 Formula
5 Equipment
Bibliography

Defines a flexure test procedure to determine and classify the fatigue strengths of reconnectable or permanent hydraulic tube joints.

This International Standard specifies a flexure test procedure to determine and classify the fatigue strengths of reconnectable or permanent hydraulic tube joints. The procedure is intended for conducting flexure tests of fittings and joints with high-strength hydraulic tubes of various alloys such as corrosion resistant steel, Nimonic™ 1) , titanium and aluminium alloy hydraulic tube for use on commercial and military aircraft. A mean stress is applied by holding system pressure in the specimens and then flexing in a rotary bending test machine.

Committee
ACE/69
DevelopmentNote
Supersedes BS M55(1984) & 14/30264731 DC. (06/2016)
DocumentType
Standard
Pages
24
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
ISO 7257:2016 Identical

ISO 2964:1985 Aerospace — Tubing — Outside diameters and thicknesses — Metric dimensions
ISO 8575:2016 Aerospace — Fluid systems — Hydraulic system tubing

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Hardcopy - English
PDF - English
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