ISO 7257:1983
Aircraft; Hydraulic tubing joints and fittings; Rotary flexure test

Standard No.

ISO 7257:1983

Release Date

1983

Published By

International Organization for Standardization (ISO)

Status

Be replaced

Replace By

ISO 7257:2016

Latest

ISO 7257:2016

Scope

Specifies procedures to determine and classify the fatigue strength of reconnectable or permanent hydraulic tube joints. The procedure is intended for conducting flexure tests of these parts with high strength tubes of various alloys such as corrosion resistant steel, Nimonic, titanium and aluminium alloy tube for use on commercial and military aircraft.

ISO 7257:1983 history

• 2016 ISO 7257:2016 Aircraft - Hydraulic tubing joints and fittings - Rotary flexure test
• 1983 ISO 7257:1983 Aircraft; Hydraulic tubing joints and fittings; Rotary flexure test