ISO 4490:2014 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.
Status : WithdrawnPublication date : 2014-08
Edition : 4
Technical Committee:Sampling and testing methods for powders (including powders for hardmetals)