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ISO 4490:1978

Metallic powders — Determination of flowability by means of a calibrated funnel (Hall flowmeter) ISO 4490:1978

Publication date:   Jul 1, 1978

95.99 Withdrawal of Standard   Dec 20, 2001

General information

95.99 Withdrawal of Standard   Dec 20, 2001

ISO

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

International Standard

77.160   Powder metallurgy

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Scope

The method is applicable only to powders which flow freely through the specified test orifice. It measures the time required for 50 g of a metallic powder to flow through the orifice of a calibrated funnel. Specifies apparatus, calibration of the funnel, sampling, procedure, expression of results and test report.

Life cycle

NOW

WITHDRAWN
ISO 4490:1978
95.99 Withdrawal of Standard
Dec 20, 2001

REVISED BY

WITHDRAWN
ISO 4490:2001