# ISO 3503:1976 — Withdrawn and superseded ISO standards

For ISO 3503:1976, item title is Assembled joints between fittings and polyethylene (PE) pressure pipes — Test of leakproofness under internal pressure when subjected to bending; status code is 9599; successor is ISO 3503:2015; withdrawn / published date is 1976-06-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 3503:1976 _(verified: appears in the quote below)_
- **Item title:** Assembled joints between fittings and polyethylene (PE) pressure pipes — Test of leakproofness under internal pressure when subjected to bending _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 3503:2015
- **Withdrawn / published date:** 1976-06-01 _(verified: appears in the quote below)_

## What the source says

> 8858,IS,,ISO 3503:1976,Assembled joints between fittings and polyethylene (PE) pressure pipes — Test of leakproofness under internal pressure when subjected to bending,Assemblages entre raccords et tubes sous pression en polyéthylène (PE) — Essai d'étanchéité à la pression intérieure lorsqu'ils sont soumis à une courbure,1976-06-01,1,['23.040.60'],ISO/TC 138/SC 2,9599,,[61260],"['en','fr']",2,"<p>Specification of a method and a test assembly for checking the leakproofness of an assembly with one pipe and two connected end fittings, to which bending is applied according to its free length. This bending has an average radius calculated from the pipe nominal diameter and pressure. The test spec

## 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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).