# ISO 642:1979 — Withdrawn and superseded ISO standards

For ISO 642:1979, item title is Steel — Hardenability test by end quenching (Jominy test); status code is 9599; successor is ISO 642:1999; withdrawn / published date is 1979-11-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 642:1979 _(verified: appears in the quote below)_
- **Item title:** Steel — Hardenability test by end quenching (Jominy test) _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 642:1999
- **Withdrawn / published date:** 1979-11-01 _(verified: appears in the quote below)_

## What the source says

> 4772,IS,,ISO 642:1979,Steel — Hardenability test by end quenching (Jominy test),Acier — Essai de trempabilité par trempe en bout (essai Jominy),1979-11-01,1,['77.040.99'],ISO/TC 17/SC 7,9599,,[1228],"['en','fr']",11,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).