# ISO 13520:2015 — Withdrawn and superseded ISO standards

For ISO 13520:2015, item title is Determination of ferrite content in austenitic stainless steel castings; status code is 9599; successor is ISO 13520:2023; withdrawn / published date is 2015-10-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 13520:2015 _(verified: appears in the quote below)_
- **Item title:** Determination of ferrite content in austenitic stainless steel castings _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 13520:2023
- **Withdrawn / published date:** 2015-10-01 _(verified: appears in the quote below)_

## What the source says

> 59273,IS,,ISO 13520:2015,Determination of ferrite content in austenitic stainless steel castings,Détermination du taux de ferrite des pièces moulées en acier inoxydable austénitique,2015-10-01,2,['77.140.80'],ISO/TC 17/SC 11,9599,[20837],[84907],"['en','fr']",9,"<p>ISO 13520:2015 specifies procedures which are covered for estimating ferrite content in certain grades of austenitic iron-chromium-nickel alloy castings that have compositions balanced to create the formation of ferrite as a second phase in amounts controlled within specified limits. Methods are described for estimating ferrite content by chemical, magnetic and metallographic means.</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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).