# ISO 4291:1985 — Withdrawn and superseded ISO standards

For ISO 4291:1985, item title is Methods for the assessement of departure from roundness — Measurement of variations in radius; status code is 9599; successor is ISO/WD 4291; withdrawn / published date is 1985-09-12, recorded from its source on 2026-08-05.

- **Identifier:** ISO 4291:1985 _(verified: appears in the quote below)_
- **Item title:** Methods for the assessement of departure from roundness — Measurement of variations in radius _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/WD 4291
- **Withdrawn / published date:** 1985-09-12 _(verified: appears in the quote below)_

## What the source says

> 10135,IS,,ISO 4291:1985,Methods for the assessement of departure from roundness — Measurement of variations in radius,Méthodes d'évaluation des écarts de circularité — Mesurage des variations de rayon,1985-09-12,1,['17.040.20'],ISO/TC 213,9599,,[21979],"['en','fr']",18,"<p>Establishes types of contact (stylus) instruments to be used, recommendations for their use, procedures for calibration of instruments and verification of their characteristics. Applies to a profile transformation, obtained under reference conditions. Departures from roundness of the measured profile, procedure, calibration and determination of systematic errors of rotation are dealt with in annexes A to D, respectively. A

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).