# ISO 11257:1998 — Withdrawn and superseded ISO standards

For ISO 11257:1998, item title is Iron ores — Determination of disintegration and metallization of feedstock for direct reduction by gas reforming processes; status code is 9599; successor is ISO 11257:2007; withdrawn / published date is 1998-07-09, recorded from its source on 2026-08-05.

- **Identifier:** ISO 11257:1998 _(verified: appears in the quote below)_
- **Item title:** Iron ores — Determination of disintegration and metallization of feedstock for direct reduction by gas reforming processes _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 11257:2007
- **Withdrawn / published date:** 1998-07-09 _(verified: appears in the quote below)_

## What the source says

> 19235,IS,,ISO 11257:1998,Iron ores — Determination of disintegration and metallization of feedstock for direct reduction by gas reforming processes,Minerais de fer — Détermination de la dégradation et de la métallisation des charges utilisées dans les procédés de reforming par réduction directe,1998-07-09,1,['73.060.10'],ISO/TC 102/SC 3,9599,,[38099],['en'],8,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).