ASTM-D2161:2005 Edition

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D2161-05e1 Standard Practice for Conversion of Kinematic Viscosity to Saybolt Universal Viscosity or to Saybolt Furol Viscosity

Published By	Publication Date	Number of Pages
ASTM	2005	26

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Description

ASTM D2161-05e1

Historical Standard: Standard Practice for Conversion of Kinematic Viscosity to Saybolt Universal Viscosity or to Saybolt Furol Viscosity

ASTM D2161

Scope

1.1 This practice covers the conversion tables and equations for converting kinematic viscosity in mm²/s at any temperature to Saybolt Universal viscosity in Saybolt Universal seconds (SUS) at the same temperature and for converting kinematic viscosity in mm²/s at 122 and 210°F (50 and 98.9°C) to Saybolt Furol viscosity in Saybolt Furol seconds (SFS) at the same temperatures. Kinematic viscosity values are based on water being 1.0034 mm²/s (cSt) at 68°F (20°C).

Note 1—A fundamental and preferred method for measuring kinematic viscosity is by use of kinematic viscometers as outlined in Test Method D 445. It is recommended that kinematic viscosity be reported in millimetres squared per second, instead of Saybolt Universal Seconds (SUS) or Saybolt Furol Seconds (SFS). This method is being retained for the purpose of calculation of kinematic viscosities from SUS and SFS data that appear in past literature. One millimetre squared per second (mm²/s) equals one centistoke (cSt), which is another unit commonly found in older literature.

1.2 The SI unit of kinematic viscosity, mm²/s, and temperature in degrees Fahrenheit are the standard in this practice.

Keywords

kinematic viscosity; Saybolt furol; Saybolt universal; Conversion units/factors; Kinematic viscosity; Saybolt viscometers; Viscometers–Saybolt

ICS Code

ICS Number Code 17.060 (Measurement of volume, mass, density, viscosity)

DOI: 10.1520/D2161-05E01

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Summary of Practice Significance and Use Procedure for Conversion to Saybolt Universal Viscosity
2	Procedure for Conversion to Saybolt Furol Viscosity Procedure for Computer Calculation Supplementary Conversion Equivalents Report Keywords
3	TABLE 1
19	TABLE 2
20	TABLE 3
25	X1. EXAMPLES ILLUSTRATING VISCOSITY CONVERSIONS X1.1 Example 1 X1.2 Example 2 X1.3 Example 3 X1.4 Example 4 X1.5 Example 5 X1.6 Example 6 X1.7 Example 7 X1.8 Example 8 X1.9 Example 9

Additional information

Standard Title	D2161-05e1 Standard Practice for Conversion of Kinematic Viscosity to Saybolt Universal Viscosity or to Saybolt Furol Viscosity
Published Code	ASTM
Publication Date	2005
Pages Count	26