ASTM B214.pdf
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Designation: B 214 – 99
Standard Test Method for
Sieve Analysis of Metal Powders
1
This standard is issued under the fixed designation B 214; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope
1.1 This test method covers the determination of the dry
sieve analysis of metal powders.
1.2 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 appro-
priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use.
2. Referenced Documents
2.1 ASTM Standards:
B 212 Test Method for Apparent Density of Free-Flowing
Metal Powders Using the Hall Flowmeter Funnel
2
B 215 Practices for Sampling Finished Lots of Metal Pow-
ders
2
B 243 Terminology of Powder Metallurgy
2
E 11 Specification for Wire-Cloth Sieves for Testing Pur-
poses
3
E 691 Practice for Conducting an Interlaboratory Study to
Determine the Precision of a Test Method
4
2.2 MPIF Standard:
MPIF 05 Determination of Sieve Analysis of Metal Pow-
ders
5
3. Terminology
3.1 Definitions—Useful definitions of terms for metal pow-
ders and powder metallurgy are found in Terminology B 243.
4. Significance and Use
4.1 The particle size distribution of a metal powder affects
its behavior in P/M processing and other applications of these
materials. The test method may be part of the purchase
agreement between powder manufacturer and user, or it may be
an internal quality control test for either. This test method is
appropriate for materials with size distributions typified by
metal powders used in powder metallurgy.
5. Apparatus
5.1 Sieves—A set of standard sieves selected from Table 1
of Specification E 11, or the equivalent Tyler standard sieves.
The sieves shall be 8 in. (203.2 mm) in diameter and either 1
or 2 in. (25 or 50 mm) in depth and fitted with bronze, brass,
stainless steel, or other suitable wire cloth. The U.S. sieves
given in Table 1 of this method shall conform to Specification
E 11. If Tyler standard sieves are substituted, they shall
conform to the permissible variations given in Table 1 of
Specification E 11.
NOTE 1—The new U.S. Series standard sieves, adopted in 1970, are the
preferred sieves to use. The old U.S. Series standard sieves and equivalent
sieves manufactured by other companies, such as Tyler, may also be used
if the new U.S. Series is not available. Care should be taken to make sure
that sieve opening sizes are correct when performing standardization
work.
5.2 Sieve Shaker— A mechanically operated, single eccen-
tric sieve shaker which imparts to the set of sieves a rotary
motion and tapping action of uniform speed, shall be used. The
number of rotations per minute shall be between 270 and 300.
The number of taps per minute shall be between 140 and 160.
The sieve shaker shall be fitted with a plug to receive the
impact of the tapping device. The entire apparatus shall be
rigidly mounted by bolting to a solid foundation, preferably of
concrete. A time switch should be provided to ensure accuracy
of duration of the test.
NOTE 2—Use of a sound proof enclosure is recommended.
5.3 Balance—A balance having a capacity of at least 110 g
and a sensitivity of 0.01 g.
6. Test Specimen
6.1 The size of the test specimen shall be 90 to 100 g for any
metal powder having an apparent density greater than 1.50
g/cm
3
when determined in accordance with Test Method
B 212. A 40 to 60-g specimen shall be used when the apparent
density of the powder is less than 1.50 g/cm
3
. The test
specimen should be obtained in accordance with Practices
B 215.
7. Procedure
7.1 Assemble the group of sieves selected in consecutive
1
This test method is under the jurisdiction of ASTM Committee B-9 on Metal
Powders and Metal Powder Products, and is the direct responsibility of Subcom-
mittee B09.02 on Base Metal Powders.
Current edition approved April 10, 1999. Published August 1999. Originally
published as B 214 – 46 T. Last previous edition B 214 – 92.
2
Annual Book of ASTM Standards , Vol 02.05
3
Annual Book of ASTM Standards , Vol 14.02.
4
Annual Book of ASTM Standards, Vol 14.02.
5
Available from Metal Powder Industries Federation (MPIF), 105 College Road
East, Princeton, NJ 08540.
1
Copyright © ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, United States.
Copyright ASTM International
Provided by IHS under license with ASTM
Not for Resale
No reproduction or networking permitted without license from IHS
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