ASTM D2501-91(2000)

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


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    1. Scope

    1.1 This test method covers the calculation of the viscosity-gravity constant (VGC) of petroleum oils having viscosities in excess of 4 cSt. = 4 X 10-6 m-2/s at 40°C (104°F).

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

    1.3 This standard does not purport to address all of the safety problems, 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.>

    1.4 The values stated in either acceptable SI units or in other units shall be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system must be used independently of the other, without combining values in any way.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    D287 Test Method for API Gravity of Crude Petroleum and Petroleum Products (Hydrometer Method)

    D445 Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (and Calculation of Dynamic Viscosity)

    D1298 Test Method for Density, Relative Density, or API Gravity of Crude Petroleum and Liquid Petroleum Products by Hydrometer Method

    D2140 Practice for Calculating Carbon-Type Composition of Insulating Oils of Petroleum Origin

    D4052 Test Method for Density, Relative Density, and API Gravity of Liquids by Digital Density Meter

    D7042 Test Method for Dynamic Viscosity and Density of Liquids by Stabinger Viscometer (and the Calculation of Kinematic Viscosity)


    ICS Code

    ICS Number Code 75.080 (Petroleum products in general)

    UNSPSC Code

    UNSPSC Code 15101500(Petroleum and distillates)


    Referencing This Standard
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    DOI: 10.1520/D2501-91R00

    Citation Format

    ASTM D2501-91(2000), Standard Test Method for Calculation of Viscosity-Gravity Constant (VGC) of Petroleum Oils, ASTM International, West Conshohocken, PA, 2000, www.astm.org

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