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ASTM B212-09

Historical Revision

Standard Test Method for Apparent Density of Free-Flowing Metal Powders Using the Hall Flowmeter Funnel

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1.1 This test method describes a procedure for determining the apparent density of free-flowing metal powders, and mixed powders; and is suitable for only those powders that will flow unaided through the specified Hall Flowmeter funnel.

1.2 With the exception of density values, for which the g/cm3 unit is the industry standard, the values stated in SI units are to be regarded as the standard. Values in inch-pound units are shown in parentheses and result from conversion in accordance with IEEE/ASTM Standard SI 10. They may be approximate and are only for information.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

This test method provides a guide for evaluation of an important physical characteristic of a powder known as the apparent density. The measured apparent density bears a relationship to the mass of powder that will fill a fixed volume die cavity. The degree of correlation between the results of this test and the performance of powders during use may vary with each particular application. Note, however, that the presence of moisture, oils, stearic acid, stearates, waxes, and the temperature of the powder mass may alter the physical characteristics of the powder.

SDO ASTM: ASTM International
Document Number B212
Publication Date Nov. 1, 2009
Language en - English
Page Count 3
Revision Level 09
Supercedes
Committee B09.02
Publish Date Document Id Type View
Sept. 1, 2021 B0212-21 Revision
April 1, 2017 B0212-17 Revision
April 1, 2013 B0212-13 Revision
April 1, 2012 B0212-12 Revision
Nov. 1, 2009 B0212-09 Revision
April 10, 1999 B0212-99 Revision
April 1, 2006 B0212-99R06 Reaffirmation