1 Scope
This document 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.
BS EN ISO 4490:2018 history
2018BS EN ISO 4490:2018 Metallic powders. Determination of flow rate by means of a calibrated funnel (Hall flowmeter)
2014BS EN ISO 4490:2014 Metallic powders. Determination of flow rate by means of a calibrated funnel (Hall flowmeter)
2008BS EN ISO 4490:2008 Metallic powders - Determination of flow time by means of a calibrated funnel (Hall flowmeter)
2002BS EN ISO 4490:2002 Metallic powders - Determination of flow time by means of a calibrated funnel (Hall flowmeter)