ASTM D 5621 : 2019
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Standard Test Method for Sonic Shear Stability of Hydraulic Fluids
Hardcopy , PDF
05-15-2024
English
06-01-2019
Important note : All end users must be registered with an Account prior to user licenses being assigned.This test method covers the evaluation of the shear stability of hydraulic fluids in terms of the final viscosity that results from irradiating a sample of the hydraulic fluid in a sonic oscillator.
| Committee |
D 02
|
| DocumentType |
Test Method
|
| Pages |
3
|
| PublisherName |
American Society for Testing and Materials
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
1.1This test method covers the evaluation of the shear stability of hydraulic fluids in terms of the final viscosity that results from irradiating a sample of the hydraulic fluid in a sonic oscillator.
1.2Evidence has been presented that a good correlation exists between the shear degradation that results from sonic oscillation and that obtained in a vane pump test procedure.2
1.3This test method uses millimetres squared per second (mm2/s), an SI unit, as the unit of viscosity. For information, the equivalent unit, cSt, is shown in parentheses.
1.4This 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.5This 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.
| ASTM D 6022 : 2006 : R2012 | Standard Practice for Calculation of Permanent Shear Stability Index |
| ASTM D 2603 : 2001 : R2007 | Test Method for Sonic Shear Stability of Polymer-Containing Oils |
| ASTM D 6022 : 2019 | Standard Practice for Calculation of Permanent Shear Stability Index |
| ASTM D 2603 : 2019 | Standard Test Method for Sonic Shear Stability of Polymer-Containing Oils |
| ASTM D 6022 : 2006 : R2012 | Standard Practice for Calculation of Permanent Shear Stability Index |
| ASTM D 2603 : 1998 | Test Method for Sonic Shear Stability of Polymer-Containing Oils |
| ASTM D 2603 : 2001 : R2013 | Standard Test Method for Sonic Shear Stability of Polymer-Containing Oils |
| ASTM D 2603 : 2001 | Test Method for Sonic Shear Stability of Polymer-Containing Oils |
| ASTM D 2603 : 2020 | Standard Test Method for Sonic Shear Stability of Polymer-Containing Oils |
| ASTM D 6022 : 2001 | Standard Practice for Calculation of Permanent Shear Stability Index |
| ASTM D 6022 : 2006 | Standard Practice for Calculation of Permanent Shear Stability Index |
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