# ISO 4023:1991 — Withdrawn and superseded ISO standards

For ISO 4023:1991, item title is Rubber hoses for steam — Test methods; status code is 9599; successor is ISO 4023:2009; withdrawn / published date is 1991-10-03, recorded from its source on 2026-08-05.

- **Identifier:** ISO 4023:1991 _(verified: appears in the quote below)_
- **Item title:** Rubber hoses for steam — Test methods _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 4023:2009
- **Withdrawn / published date:** 1991-10-03 _(verified: appears in the quote below)_

## What the source says

> 9710,IS,,ISO 4023:1991,Rubber hoses for steam — Test methods,Tuyaux en caoutchouc pour la vapeur — Méthodes d'essai,1991-10-03,3,['23.040.70'],ISO/TC 45/SC 1,9599,[9709],[50793],"['en','fr']",7,"<p>Specifies the following four test methods: A - vertical rack method; B - horizontal rack method; C - flexing test, vertical arrangement; D - flexing test, horizontal arrangement. This third edition cancels and replaces the second edition (1981).</p>"

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).