# ISO 20501:2003 — Withdrawn and superseded ISO standards

For ISO 20501:2003, item title is Fine ceramics (advanced ceramics, advanced technical ceramics) — Weibull statistics for strength data; status code is 9599; successor is ISO 20501:2019; withdrawn / published date is 2003-11-25, recorded from its source on 2026-08-05.

- **Identifier:** ISO 20501:2003 _(verified: appears in the quote below)_
- **Item title:** Fine ceramics (advanced ceramics, advanced technical ceramics) — Weibull statistics for strength data _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 20501:2019
- **Withdrawn / published date:** 2003-11-25 _(verified: appears in the quote below)_

## What the source says

> 34188,IS,,ISO 20501:2003,"Fine ceramics (advanced ceramics, advanced technical ceramics) — Weibull statistics for strength data",Céramiques techniques — Statistiques Weibull des données de résistance,2003-11-25,1,['81.060.30'],ISO/TC 206,9599,,[69875],['en'],33,"<p>ISO 20501:2003 covers the reporting of uniaxial strength data and the estimation of probability distribution parameters for advanced ceramics which fail in a brittle fashion. The failure strength of advanced ceramics is treated as a continuous random variable. Typically, a number of test specimens with well-defined geometry are brought to failure under well-defined isothermal loading conditions. The load at which each specimen fai

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).