ASTM D97-06

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An American National Standard
Designation:D97–06
Designation: 15/95
Standard Test Method for
1
Pour Point of Petroleum Products
ThisstandardisissuedunderthefixeddesignationD97;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginal
adoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscript
epsilon (e) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope* D396 Specification for Fuel Oils
D1659 Test Method for Maximum FluidityTemperature of
1.1 This test method covers and is intended for use on any
4
2
Residual Fuel Oil
petroleum product. Aprocedure suitable for black specimens,
D2500 TestMethodforCloudPointofPetroleumProducts
cylinder stock, and nondistillate fuel oil is described in 8.8.A
D3245 TestMethodforPumpabilityofIndustrialFuelOils
procedure for testing the fluidity of a residual fuel oil at a
D5853 Test Method for Pour Point of Crude Oils
specified temperature is described inAppendix X1. The cloud
D6300 Practice for Determination of Precision and Bias
point procedure formerly part of this test method now appears
Data for Use in Test Methods for Petroleum Products and
as Test Method D2500.
Lubricants
1.2 Currently there is no ASTM test method for automated
E1 Specification forASTM Liquid-in-GlassThermometers
Test Method D97 pour point measurements.
2.2 Energy Institute Standards:
1.3 Several ASTM test methods offering alternative proce-
5
Specifications for IP Standard Thermometers
dures for determining pour points using automatic apparatus
areavailable.Noneofthemsharethesamedesignationnumber
3. Terminology
as Test Method D97. When an automatic instrument is used,
3.1 Definitions:
the ASTM test method designation number specific to the
3.1.1 black oil, n—lubricant containing asphaltic materials.
technique shall be reported with the results. A procedure for
Blackoilsareusedinheavy-dutyequipmentapplications,such
testing the pour point of crude oils is described inTest Method
as mining and quarrying, where extra adhesiveness is desired.
D5853.
3.1.2 cylinder stock, n—lubricant for independently lubri-
1.4 This standard does not purport to address all of the
cated engine cylinders, such as those of steam engines and air
safety concerns, if any, associated with its use. It is the
compressors. Cylinder stock are also used for lubrication of
responsibility of the user of this standard to establish appro-
valves and other elements in the cylinder area.
priate safety and health practices and determine the applica-
3.1.3 pour point, n—in petroleum products, the lowest
bility of regulatory limitations prior to use.
temperature at which movement of the test specimen is
2. Referenced Documents observed under prescribed conditions of test.
3 3.1.4 residual fuel, n—a liquid fuel containing bottoms
2.1 ASTM Standards:
remaining from crude distillation or thermal cracking; some-
D117 Guide for Sampling, Test Methods, and Specifica-
times referred to as heavy fuel oil.
tions for Electrical Insulating Oils of Petroleum Origin
3.1.4.1 Discussion—Residual fuels comprise Grades 4, 5,
and 6 fuel oils, as defined in Specification D396.
1
This test method is under the jurisdiction of ASTM Committee D02 on
4. Summary of Test Method
Petroleum Products and Lubricants and is the direct responsibility of Subcommittee
D02.07.0D on Wax-Related Viscometric Properties of Fuels and Oils.
4.1 After preliminary heating, the sample is cooled at a
Current edition approved Nov. 1, 2006. Published November 2006. Originally
specified rate and examined at intervals of 3°C for flow
approved in 1927, replacing D47. Last previous edition approved in 2005 as
D97–05a. characteristics. The lowest temperature at which movement of
In the IP, this test method is under the jurisdiction of the Standardization
the specimen is observed is recorded as the pour point.
Committee. This test method was adopted as a joint ASTM-IP Standard in 1965.
2
Statements defining this test and its significance when applied to electrical
insulating oils of mineral origin will be found in GuideD117.
3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
4
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Withdrawn.
5
Standards volume information, refer to the standard’s Document Summary page on MethodsforAnalysisandTesting,IPStandardsforPetroleumanditsProducts,
the ASTM website. Part I, Vol 2.
*A Summary of Changes section appears at the end of this standard.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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D97–06
NOTE—Dimensions are in millimetres (not to scale).
FIG. 1 Apparatus f
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