ASTM D6079-04
(Test Method)Standard Test Method for Evaluating Lubricity of Diesel Fuels by the High-Frequency Reciprocating Rig (HFRR)
Standard Test Method for Evaluating Lubricity of Diesel Fuels by the High-Frequency Reciprocating Rig (HFRR)
SCOPE
1.1 This test method covers the evaluation of the lubricity of diesel fuels using a high-frequency reciprocating rig (HFRR).
1.2 This test method is applicable to middle distillate fuels, such as Grades Low Sulfur No. 1 D, Low Sulfur No. 2 D, No. 1 D, and No. 2 D diesel fuels, in accordance with Specification D 975; and other similar petroleum-based fuels which can be used in diesel engines
Note 1—It is not known that this test method will predict the performance of all additive/fuel combinations. Additional work is underway to further establish this correlation and future revisions of this test method may be necessary once this work is complete.
1.3 The values stated in SI units are to be regarded as the standard.
1.4 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 applicable regulatory limitations prior to use. Specific hazard statements are given in Section 7.
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Standards Content (Sample)
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An American National Standard
Designation:D6079–04
Standard Test Method for
Evaluating Lubricity of Diesel Fuels by the High-Frequency
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Reciprocating Rig (HFRR)
This standard is issued under the fixed designation D 6079; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope* D 6078 Test Method for Evaluating Lubricity of Diesel
Fuels by the Scuffing Load Ball-On-Cylinder Lubricity
1.1 Thistestmethodcoverstheevaluationofthelubricityof
Evaluator (SLBOCLE)
diesel fuels using a high-frequency reciprocating rig (HFRR).
E 18 Test Methods for Rockwell Hardness and Rockwell
1.2 This test method is applicable to middle distillate fuels,
Superficial Hardness of Metallic Materials
such as Grades Low Sulfur No. 1 D, Low Sulfur No. 2 D, No.
E 92 Test Method for Vickers Hardness of Metallic Mate-
1 D, and No. 2 D diesel fuels, in accordance with Specification
rials
D 975; and other similar petroleum-based fuels which can be
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2.2 American Iron and Steel Institute Standard:
used in diesel engines
AISI E-52100 Chromium Alloy Steel
NOTE 1—It is not known that this test method will predict the 4
2.3 American National Standards Institute Standard:
performance of all additive/fuel combinations. Additional work is under-
ANSI B3.12 Metal Balls
way to further establish this correlation and future revisions of this test
method may be necessary once this work is complete.
3. Terminology
1.3 The values stated in SI units are to be regarded as the
3.1 Definitions of Terms Specific to This Standard:
standard.
3.1.1 boundary lubrication, n—a condition in which the
1.4 This standard does not purport to address all of the
friction and wear between two surfaces in relative motion are
safety concerns, if any, associated with its use. It is the
determined by the properties of the surfaces and the properties
responsibility of the user of this standard to establish appro-
of the contacting fluid, other than bulk viscosity.
priate safety and health practices and determine the applicable
3.1.1.1 Discussion—Metal to metal contact occurs and the
regulatory limitations prior to use.Specificwarningstatements
chemistry of the system is involved. Physically adsorbed or
are given in Section 7.
chemically reacted soft films (usually very thin) support
contact loads. As a result, some wear is inevitable.
2. Referenced Documents
3.1.2 lubricity, n—a qualitative term describing the ability
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2.1 ASTM Standards:
of a fluid to affect friction between, and wear to, surfaces in
D 975 Specification for Diesel Fuel Oils
relative motion under load.
D 4057 Practice for Manual Sampling of Petroleum and
3.1.2.1 Discussion—In this test method, the lubricity of a
Petroleum Products
fluid is evaluated by the wear scar, in millimetres, produced on
D 4177 Practice for Automatic Sampling of Petroleum and
anoscillatingballfromcontactwithastationarydiscimmersed
Petroleum Products
in the fluid operating under defined and controlled conditions.
D 4306 Practice for Aviation Fuel Sample Containers for
Tests Affected by Trace Contamination
4. Summary of Test Method
4.1 A 2-mL test specimen of fuel is placed in the test
reservoir of an HFRR and adjusted to either of the standard
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temperatures (25 or 60°C). The preferred test temperature is
This test method is under the jurisdiction of ASTM Committee D02 on
Petroleum Products and Lubricants and is the direct responsibility of Subcommittee 60°C, except where there may be concerns about loss of fuel
D02.E0 on Burner, Diesel, Non-Aviation Gas Turbine, and Marine Fuels.
because of its volatility or degradation of the fuel because of
Current edition approved Nov. 1, 2004. Published November 2004. Originally
the temperature.
approved in 1999. Last previous edition approved in 2002 as D 6079–02.
This test method was developed by ISO/TC22/SC7/WG6 and is a part of ISO
12156.
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For referenced ASTM standards, visit the ASTM website, www.astm.org, or Available from American Iron and Steel Institute (AISI), 1140 Connecticut
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Ave., Suite 705, Washington, DC 20036.
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Standards volume information, refer to the standard’s Document Summary page on Available fromAmerican National Standards Institute (ANSI), 25 W. 43rd St.,
the ASTM website. 4th Floor, New York, NY 10036.
*A Summary of Changes section appears at the end of this standard.
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D6079–04
4.2 When the fuel temperature has stabilized, a vibr
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