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This test method covers a quantitative procedure to determine the cleanliness of PM bearings and structural parts.
Formerly under the jurisdiction of Committee B09 on Metal Powders and Metal Powder Products, this test method was withdrawn in April 2016. This standard is being withdrawn without replacement due to its limited use by industry.
1.1 This test method covers a quantitative procedure to determine the cleanliness of PM bearings and structural parts.
1.2 This is a laboratory test consisting of cleaning sample parts under controlled conditions and calculating the amount or percent of residue from the mass of the removed contaminants.
1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.4 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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
B243 Terminology of Powder Metallurgy
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ASTM B970-09, Standard Test Method for Cleanliness of Powder Metallurgy (PM) Bearings and Structural Parts (Withdrawn 2016), ASTM International, West Conshohocken, PA, 2009, www.astm.orgBack to Top