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ASTM D2501

2014 Edition, June 1, 2014

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Standard Test Method for Calculation of Viscosity-Gravity Constant (VGC) of Petroleum Oils

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Product Details:

  • Revision: 2014 Edition, June 1, 2014
  • Published Date: June 1, 2014
  • Status: Active, Most Current
  • Document Language: English
  • Published By: ASTM International (ASTM)
  • Page Count: 4
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

This test method covers the calculation of the viscositygravity constant (VGC) of petroleum oils2 having viscosities in excess of 5.5 mm2/s at 40°C (104°F) and in excess of 0.8 mm2/s at 100°C (212°F). 

Annex A1 describes a method for calculating the VGC from Saybolt (SUS) viscosity and relative density.

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

The SI unit of kinematic viscosity is mm2/s.

Exception—Fahrenheit temperature units are used in this practice because they are accepted by industry for the type of legacy conversions described in this practice.

This 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 and health practices and determine the applicability of regulatory limitations prior to use.

2Coats, H. B., and Hill, J. B., Industrial and Engineering Chemistry, Vol 20, 1928, p. 641.

*A Summary of Changes section appears at the end of this standard