ASTM D6080 - 18a - Standard Practice for Defining the Viscosity Characteristics of Hydraulic Fluids

ASTM D6080 - 18a

Standard Practice for Defining the Viscosity Characteristics of Hydraulic Fluids

Status : Current   Published : October 2018

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PDF

Format
HARDCOPY



1.1 This practice covers all hydraulic fluids based either on petroleum, synthetic, or naturally-occurring base stocks. It is not intended for water-containing hydraulic fluids.

1.2 For 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 (mm 2/s) as the unit of kinematic viscosity. For reference, 1 mm 2/s is equivalent to 1 centistoke (cSt).

1.3 This practice is applicable to fluids ranging in kinematic viscosity from about 4 mm 2/s to 150 mm 2/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.

1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

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.




Standard NumberASTM D6080 - 18a
TitleStandard Practice for Defining the Viscosity Characteristics of Hydraulic Fluids
StatusCurrent
Publication Date01 October 2018
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Descriptors Hydraulic fluid, rotational viscosity, shear stability, viscosity, viscosity classification
ICS75.120
PublisherASTM
FormatA4
DeliveryYes
Pages6
File Size242 KB
Price£40.00


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