# ISO 6257:1980 — Withdrawn and superseded ISO standards

For ISO 6257:1980, item title is Carbonaceous materials used in the production of aluminium — Pitch for electrodes — Sampling; status code is 9599; successor is ISO 6257:2002; withdrawn / published date is 1980-11-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 6257:1980 _(verified: appears in the quote below)_
- **Item title:** Carbonaceous materials used in the production of aluminium — Pitch for electrodes — Sampling _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 6257:2002
- **Withdrawn / published date:** 1980-11-01 _(verified: appears in the quote below)_

## What the source says

> 12537,IS,,ISO 6257:1980,Carbonaceous materials used in the production of aluminium — Pitch for electrodes — Sampling,Produits carbonés utilisés pour la production de l'aluminium — Brais pour électrodes — Échantillonnage,1980-11-01,1,['71.100.10'],ISO/TC 226,9599,,[35692],"['en','fr']",15,"<p>Specifies methods for sampling and preparing samples prior to testing of binder pitch used in the manufacture of electrodes for the electrolytic production of aluminium. These methods are applicable to grades of pitch in liquid or solid form, the latter having softening points higher than 30 °C in bulk or in a number of containers making up one batch at sites of manufacture, storage or delivery.</p>" 125

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).