# ISO 9538:1996 — Withdrawn and superseded ISO standards For ISO 9538:1996, item title is Aerospace — Hydraulic tubing joints and fittings — Planar flexure test; status code is 9599; successor is ISO 9538:2017; withdrawn / published date is 1996-01-25, recorded from its source on 2026-08-05. - **Identifier:** ISO 9538:1996 _(verified: appears in the quote below)_ - **Item title:** Aerospace — Hydraulic tubing joints and fittings — Planar flexure test _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 9538:2017 - **Withdrawn / published date:** 1996-01-25 _(verified: appears in the quote below)_ ## What the source says > 17274,IS,,ISO 9538:1996,Aerospace — Hydraulic tubing joints and fittings — Planar flexure test,Aéronautique et espace — Joints et raccords des tuyauteries hydrauliques — Essai de flexion plane,1996-01-25,1,['49.080'],ISO/TC 20/SC 10,9599,,[66049],"['en','fr']",5,"

Specifies a flexure test procedure for reconnectable and permanent hydraulik tube joints. This procedure is intended for conducting flexure tests on fittings with high-strength hydraulik tubes made of corrosion-resisting steel, nimonic, titanium and aluminium used on commercial and military aircraft.

" ## Source - https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv Last verified: 2026-08-05. Review by: 2027-02-01. Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).