ISO/CD 4490

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

General information

Current stage: 30.20 CD study/ballot initiated Aug 29, 2026

Originator: ISO

Owner: ISO/TC 119/SC 2 Sampling and testing methods for powders (including powders for hardmetals)

Type: International Standard

Scope

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.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 4490:2018

NOW

IN_DEVELOPMENT
ISO/CD 4490
30.20 CD study/ballot initiated
Aug 29, 2026