# ISO 6509:1981 — Withdrawn and superseded ISO standards

For ISO 6509:1981, item title is Corrosion of metals and alloys — Determination of dezincification resistance of brass; status code is 9599; successor is ISO 6509-1:2014 | ISO 6509-2:2017; withdrawn / published date is 1981-07-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 6509:1981 _(verified: appears in the quote below)_
- **Item title:** Corrosion of metals and alloys — Determination of dezincification resistance of brass _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 6509-1:2014 | ISO 6509-2:2017
- **Withdrawn / published date:** 1981-07-01 _(verified: appears in the quote below)_

## What the source says

> 12890,IS,,ISO 6509:1981,Corrosion of metals and alloys — Determination of dezincification resistance of brass,Corrosion des métaux et alliages — Détermination de la résistance à la dézincification du laiton,1981-07-01,1,['77.060'],ISO/TC 156,9599,,"[59999,63079]","['en','fr']",3,"<p>The method applies to brass exposed to frech or saline waters. May be used for control or research purposes, but the field of application is not specified. The method consists of exposure of test pieces to copper(II) chloride solution followed by microscopic examination.</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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).