NF EN ISO 4490

NF EN ISO 4490

May 2018
Standard Current

Metallic powders - Determination of flow rate by means of a calibrated funnel (Hall flowmeter)

ISO 4490:2018 specifies a method for determining the flow rate of metallic powders, including powders for hard metals, by means of a calibrated funnel (Hall flowmeter).

The method is applicable only to powders which flow freely through the specified test orifice.

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Main informations

Collections

National standards and national normative documents

Publication date

May 2018

Number of pages

15 p.

Reference

NF EN ISO 4490

ICS Codes

77.160   Powder metallurgy

Classification index

A95-113

Print number

1

International kinship

ISO 4490:2018

European kinship

EN ISO 4490:2018
Sumary
Metallic powders - Determination of flow rate by means of a calibrated funnel (Hall flowmeter)

ISO 4490:2018 specifies a method for determining the flow rate of metallic powders, including powders for hard metals, by means of a calibrated funnel (Hall flowmeter).

The method is applicable only to powders which flow freely through the specified test orifice.

Replaced standards (1)
NF EN ISO 4490
November 2014
Standard Cancelled
Metallic powders - Determination of flow rate by means of a calibrated funnel (Hall flowmeter)

Le présent document spécifie une méthode de détermination du taux d'écoulement des poudres métalliques, y compris les poudres pour métaux-durs, au moyen d'un entonnoir calibré (appareil de Hall) . La méthode n'est applicable qu'aux poudres qui s'écoulent librement par l'orifice d'essai spécifié.

Table of contents
  • Avant-propos
  • 1 Domaine d'application
  • 2 Références normatives
  • 3 Termes et définitions
  • 4 Principe
  • 5 Appareillage
  • 6 Étalonnage de l'entonnoir
  • 7 Échantillonnage
  • 8 Mode opératoire
  • 9 Expression des résultats
  • 10 Fidélité
  • 11 Rapport d'essai
  • Bibliographie
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