For a quick and an approximate conversion you can use next formulas depends on viscosity range: SUS to cSt The conversion from Centistokes to Saybolt Universal Seconds in terms of calculations is specified by the ASTM D2161 and is not simple.
In North America are more popular kinematic viscosity units Saybolt Universal Seconds (SUS) or Seconds Saybolt Universal (SSU). The SI unit for kinematic viscosity is m 2/s but the more common unit is the centistoke (cSt): The symbol for kinematic viscosity is the Greek letter nu (ν). The kinematic viscosity is the ratio of the dynamic viscosity μ to the density of the fluid ρ: It is easier to measure and more common to report the kinematic viscosity of a fluid. s), but the more common unit is the centipoise (cP):įor example, the dynamic viscosity of water at 20☌ is 1.00 cPīritish unit of dynamic viscosity, is the reyn, named in honour of Osbourne Reynolds:.The SI unit for dynamic viscosity is the pascal-second (Pa The symbol for dynamic viscosity is the Greek letter mu (µ). There are dynamic and kinematic viscosity are usually common for calculations. The viscosity is a measure of the fluid’s resistance to flow.
Hydraulic oil viscosity chart iso#
Understanding the optimum operating viscosity range.Dynamic and kinematic viscosity in SI and British unit.
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