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Standard practice for conversion of kinematic viscosity to saybolt universal viscosity
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Basic data
| Standard ID | SN/T 2639-2010 (SN/T2639-2010) |
| Description (Translated English) | Standard practice for conversion of kinematic viscosity to saybolt universal viscosity |
| Sector / Industry | Commodity Inspection Standard (Recommended) |
| Classification of Chinese Standard | A42 |
| Classification of International Standard | 17.060 |
| Word Count Estimation | 25,215 |
| Date of Issue | 2010-05-27 |
| Date of Implementation | 2010-12-01 |
| Quoted Standard | GB/T 265; GB/T 11137 |
| Adopted Standard | ASTM D2161-2005, NEQ |
| Regulation (derived from) | National Quality Inspection (2010) 290; industry standard filing Notice 2010 No. 10 (No. 130 overall) |
| Issuing agency(ies) | General Administration of Customs |
| Summary | This standard specifies the petroleum and petroleum products at any temperature Kinematic viscosity (mm2/s), the use of tables and equations converted to the appropriate temperature, Saybolt Universal Viscosity (SUS) conversion method. Kinematic viscosity value is 20��C water kinematic viscosity values ??l. 003 4 mm2/s (cst) as a benchmark. Note: To determine the kinematic viscosity can be GB/T 365 or GB/T 11137. Recommendation report using Kinematic viscosity mm2/s (cSt) instead of race Prix Special Universal Viscosity (SUS). This standard applies to Saybolt Universal Viscosity (sus) and kinematic viscosity interchangeable between the International System of Units calculated. Kinematic viscosity adopt this standard international system of units mm2/s, temperature of �� F. |
SN/T 2639-2010: Standard practice for conversion of kinematic viscosity to saybolt universal viscosity
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Standard practice for conversion of kinematic viscosity to saybolt universal viscosity
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Conversion to kinematic viscosity Saybolt Universal Viscosity standard methods
Issued on. 2010-05-27
2010-12-01 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
This standard is identical with the American Society for Testing Materials Standards ASTMD2161-05 "Conversion to kinematic viscosity or Saybolt Universal Viscosity Cup
Porter heavy oil viscosity standard method "in terms of kinematic viscosity to Saybolt Universal Viscosity part.
For ease of use of this standard, the following editorial changes made.
--- Conversion to the use of kinematic viscosity Saybolt Universal viscosity part;
--- According to our country to join Fahrenheit and Celsius temperature conversion formulas;
--- Formula (2) will change centistokes kinematic viscosity value (mm2/s);
--- Delete Chapter 4. Significance and Use section.
This standard is proposed and managed by the National Certification and Accreditation Administration Committee.
This standard was drafted. People's Republic of China Liaoning Province Exit Inspection and Quarantine.
The main drafters of this standard. full-cheung, to show filial piety Abroad. Wu Jianguo, in a vast.
This standard is the first release of the entry-exit inspection and quarantine industry standards.
Conversion to kinematic viscosity Saybolt Universal Viscosity standard methods
1 Scope
This standard specifies the petroleum and petroleum products in either a temperature kinematic viscosity (mm2/s), the use of tables and equations converted to the corresponding temperature
Under Saybolt Universal viscosity (SUS) conversion method. Kinematic viscosity value of water to 20 ℃ kinematic viscosity values 1.0034mm2/s (cSt) to
Benchmark.
NOTE. To determine the kinematic viscosity can be GB/T 265 or GB/T 11137. Recommendations adopted kinematic viscosity mm2/s (cSt) instead of the Saybolt Universal Viscosity
(SUS).
This standard applies to swap between Saybolt Universal viscosity (SUS) and the kinematic viscosity of the International System of Units calculations.
This standard kinematic viscosity using the International System of Units mm2/s, temperature ℉.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 265 Petroleum products - Determination of kinematic viscosity and dynamic viscosity calculation
GB/T 11137 Black petroleum products - Determination of kinematic viscosity (reverse - flow method) and dynamic viscosity calculation
3 Method summary
3.1 Determination of Saybolt Universal viscosity at a temperature equal to the temperature at which the kinematic viscosity. It is given in Table 1 at 100 ℉ and 210 ℉ by the condition
Saybolt Universal viscosity value in terms of the basic terms of kinematic viscosity. Viscosity at any temperature conversion can be calculated. In terms of its use value
International System of Units.
3.2 Examples of tables in Appendix A.
NOTE. Fahrenheit and Celsius temperature conversion relation is. tC
℃ =
tF
℉ () -32
4 Saybolt Universal Viscosity conversion step
Kinematic viscosity at 4.1 100 ℉ conditions between 1.81mm2/s ~ 500mm2/s (cSt) corresponding to the terms of Saybolt Universal Viscosity
And a kinematic viscosity at 210 ℉ conditions between 1.77mm2/s ~ 139.9mm2/s corresponding to Saybolt Universal viscosity conversion,
A look-up table (see A.1).
NOTE. In Table 1 are not included in the numerical range can be obtained by linear interpolation.
4.2 For running viscosity at 100 ℉ 210 ℉ conditions or exceeding the upper limit of Table 1, which corresponds to Saybolt Universal Viscosity according to equation (1) into
Line calculation (see A.3).
S = ν × B (1)
Where.
The S --- Saybolt Universal viscosity (SUS), seconds (S);
ν --- kinematic viscosity in square millimeters per second (mm2/s).
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