ASTM D 6080 : 2018
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 Practice for Defining the Viscosity Characteristics of Hydraulic Fluids
Hardcopy , PDF
03-09-2020
English
01-06-2018
Committee |
D 02
|
DocumentType |
Standard Practice
|
Pages |
6
|
PublisherName |
American Society for Testing and Materials
|
Status |
Superseded
|
SupersededBy | |
Supersedes |
1.1This practice covers all hydraulic fluids based either on petroleum, synthetic, or naturally-occurring base stocks. It is not intended for water-containing hydraulic fluids.
1.2For determination of viscosities at low temperature, this practice uses millipascal·second (mPa·s) as the unit of viscosity. For reference, 1 mPa·s is equivalent to 1 centipoise (cP). For determination of viscosities at high temperature, this practice uses millimetre squared per second (mm2/s) as the unit of kinematic viscosity. For reference, 1 mm2/s is equivalent to 1 centistoke (cSt).
1.3This practice is applicable to fluids ranging in kinematic viscosity from about 4 mm2/s to 150 mm2/s as measured at a reference temperature of 40 °C and to temperatures from −50 °C to +16 °C for a fluid viscosity of 750 mPa·s.
Note 1:Fluids of lesser or greater viscosity than the range described in 1.3 are seldom used as hydraulic fluids. Any mathematical extrapolation of the system to either higher or lower viscosity grades may not be appropriate. Any need to expand the system should be evaluated on its own merit.
1.4The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
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 6351 : 2010 : R2016 | Standard Test Method for Determination of Low Temperature Fluidity and Appearance of Hydraulic Fluids |
ASTM D 6158 : 2018 | Standard Specification for Mineral Hydraulic Oils |
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