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ASTM D4950-22

Current Revision

Standard Classification and Specification for Automotive Service Greases

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1.1 This specification covers lubricating greases suitable for the periodic relubrication of chassis systems and wheel bearings of passenger cars, trucks, and other vehicles.

1.2 This specification defines the requirements used to describe the properties and performance characteristics of chassis greases and wheel bearing greases for service-fill applications.

1.3 The test requirements (acceptance limits) given in this specification are, as the case may be, minimum or maximum acceptable values for valid duplicate test results. Apply no additional corrections for test precision, such as described in Practice D3244, inasmuch as the precision of the test methods was taken into account in the determination of the requirements.

1.4 The values stated in SI units are to be regarded as standard.

1.4.1 Exceptions—Test Method D2596 reports test results in kgf units, and Test Method D4289 reports rubber hardness in Durometer Shore A units.

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.


SDO ASTM: ASTM International
Document Number D4950
Publication Date Dec. 1, 2022
Language en - English
Page Count 7
Revision Level 22
Supercedes
Committee D02.B0.04
Publish Date Document Id Type View
Dec. 1, 2022 D4950-22 Revision
Nov. 1, 2019 D4950-19 Revision
Dec. 1, 2014 D4950-14 Revision
June 15, 2013 D4950-13 Revision
Dec. 15, 2008 D4950-08 Revision
Nov. 10, 2001 D4950-01 Revision
May 1, 2004 D4950-01R04E01 Reaffirmation
Nov. 10, 2001 D4950-95R00E01 Reaffirmation