ASTM D6557-13
(Test Method)Standard Test Method for Evaluation of Rust Preventive Characteristics of Automotive Engine Oils
Standard Test Method for Evaluation of Rust Preventive Characteristics of Automotive Engine Oils
SIGNIFICANCE AND USE
5.1 This bench test method was designed as a replacement for Test Method D5844. Test Method D5844 was designed to measure the ability of an engine oil to protect valve train components against rusting or corrosion under low temperature, short-trip service, and was correlated with vehicles in that type of service prior to 1978.5
5.1.1 Correlation between these two test methods has been demonstrated for most, but not all, of the test oils evaluated.
SCOPE
1.1 This test method covers a Ball Rust Test (BRT) procedure for evaluating the anti-rust ability of fluid lubricants. The procedure is particularly suitable for the evaluation of automotive engine oils under low-temperature, acidic service conditions.
1.2 Information Letters are published occasionally by the ASTM Test Monitoring Center (TMC)2 to update this test method. Copies of these letters can be obtained by writing the center.
1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.3.1 Exceptions—Where there is no direct equivalent, such as the units for screw threads, national pipe threads/diameters, and tubing size.
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 applicability of regulatory limitations prior to use. See 7.1.1-7.1.3 and 8.2.1.1.
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Designation: D6557 − 13
Standard Test Method for
Evaluation of Rust Preventive Characteristics of Automotive
1
Engine Oils
This standard is issued under the fixed designation D6557; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope* D5844Test Method for Evaluation of Automotive Engine
Oils for Inhibition of Rusting (Sequence IID) (Withdrawn
1.1 This test method covers a Ball Rust Test (BRT) proce-
4
2003)
dure for evaluating the anti-rust ability of fluid lubricants. The
procedure is particularly suitable for the evaluation of automo-
3. Terminology
tive engine oils under low-temperature, acidic service condi-
3.1 Definitions:
tions.
3.1.1 calibrate, v—todeterminetheindicationoroutputofa
1.2 Information Letters are published occasionally by the
device (e.g., thermometer, manometer, engine) with respect to
2
ASTM Test Monitoring Center (TMC) to update this test
a standard.
method. Copies of these letters can be obtained by writing the
3.1.2 corrosion, n—the chemical or electrochemical reac-
center.
tion between a material, usually a metal surface, and its
1.3 The values stated in SI units are to be regarded as
environment that can produce a deterioration of the material
standard. No other units of measurement are included in this
and its properties. D4175
standard.
3.1.3 non-reference oil, n—anyoilotherthanareferenceoil,
1.3.1 Exceptions—Where there is no direct equivalent, such
such as a research formulation, commercial oil, or candidate
as the units for screw threads, national pipe threads/diameters,
oil. D4175
and tubing size.
3.1.4 reference oil, n—an oil of known performance
1.4 This standard does not purport to address all of the
characteristics, used as a basis for comparison. D4175
safety concerns, if any, associated with its use. It is the
3.1.4.1 Discussion—Reference oils are used to calibrate
responsibility of the user of this standard to establish appro-
testing facilities, to compare the performance of other oils, or
priate safety and health practices and determine the applica-
to evaluate other materials (such as seals) that interact with
bility of regulatory limitations prior to use. See 7.1.1 – 7.1.3
oils.
and 8.2.1.1.
3.1.5 rust (coatings), n—of iron or its alloys, a corrosion
product consisting of hydrated iron oxides, usually reddish in
2. Referenced Documents
color but can also be brown-to-black.
3
2.1 ASTM Standards:
3.1.6 test oil, n—any oil subjected to evaluation in an
D4175 Terminology Relating to Petroleum, Petroleum
established procedure.
Products, and Lubricants
3.2 Definitions of Terms Specific to This Standard:
3.2.1 average gray value (AGV),n—measurement of
1
This test method is under the jurisdiction of ASTM Committee D02 on
brightnessunitsontestspecimens,indicatingthedegreeofrust
Petroleum Products, Liquid Fuels, and Lubricants and is the direct responsibility of
protection.
Subcommittee D02.B0.01 on Passenger Car Engine Oils.
Current edition approved May 1, 2013. Published May 2013. Originally
3.2.2 specimen, n—acarbonsteelball,5.6mm(AISI1040).
approved in 2000. Last previous edition approved in 2010 as D6557–10a. DOI:
10.1520/D6557-13.
4. Summary of Test Method
2
Until the next revision of this test method, the ASTM Test Monitoring Center
will update changes in the test method by means of information letters. Information
4.1 Multiple test tubes, each containing test oil and a
lettersmaybeobtainedfromtheASTMTestMonitoringCenter,6555PennAvenue,
specimen, are placed in a test tube rack that is attached to a
Pittsburgh, PA 15206-4489. This test method is supplemented by Information
mechanical shaker. The shaker speed and temperature are
Letters and Memoranda issued by the ASTM TMC. This edition incorporates
revisions in all Information Letters through No. 07–01.
controlled.
3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
4
Standards volume information, refer to the standard’s Document Summary page on The last approved version of this historical standard is referenced on
the ASTM website. www.astm.org.
*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
1
---------------------- Page: 1 ----------------------
D6557 − 13
FIG. 2 Schematic of Air Delivery System
a 0.5 µL syringe, is 0.0001 µL/h. The flow rate maximum,
usinga140mLsyringe,is220.82mL⁄min(seeFigs.3and4).
6.4 Test Tube Assembly—The test tube assembly consists of
24 disposable plasti
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: D6557 − 10a D6557 − 13
Standard Test Method for
Evaluation of Rust Preventive Characteristics of Automotive
1
Engine Oils
This standard is issued under the fixed designation D6557; 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 (´) indicates an editorial change since the last revision or reapproval.
1. Scope Scope*
1.1 This test method covers a Ball Rust Test (BRT) procedure for evaluating the anti-rust ability of fluid lubricants. The
procedure is particularly suitable for the evaluation of automotive engine oils under low-temperature, acidic service conditions.
2
1.2 Information Letters are published occasionally by the ASTM Test Monitoring Center (TMC) to update this test method.
Copies of these letters can be obtained by writing the center.
1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.3.1 Exceptions—Where there is no direct equivalent, such as the units for screw threads, national pipe threads/diameters, and
tubing size.
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 applicability of regulatory
limitations prior to use. See 7.1.1-7.1.3 and 8.2.1.1.
2. Referenced Documents
3
2.1 ASTM Standards:
D4175 Terminology Relating to Petroleum, Petroleum Products, and Lubricants
4
D5844 Test Method for Evaluation of Automotive Engine Oils for Inhibition of Rusting (Sequence IID) (Withdrawn 2003)
3. Terminology
3.1 Definitions:
3.1.1 calibrate, v—to determine the indication or output of a device (e.g., thermometer, manometer, engine) with respect to a
standard.
3.1.2 corrosion, n—the chemical or electrochemical reaction between a material, usually a metal surface, and its environment
that can produce a deterioration of the material and its properties. D4175
3.1.3 non-reference oil, n—any oil other than a reference oil, such as a research formulation, commercial oil, or candidate oil.
D4175
3.1.4 reference oil, n—an oil of known performance characteristics, used as a basis for comparison. D4175
1
This test method is under the jurisdiction of ASTM Committee D02 on Petroleum Products and Lubricants and is the direct responsibility of Subcommittee D02.B0.01
on Passenger Car Engine Oils.
Current edition approved Oct. 1, 2010May 1, 2013. Published November 2010May 2013. Originally approved in 2000. Last previous edition approved in 2010 as
D6557D6557 – 10a.–10. DOI: 10.1520/D6557-10A.10.1520/D6557-13.
2
Until the next revision of this test method, the ASTM Test Monitoring Center will update changes in the test method by means of information letters. Information letters
may be obtained from the ASTM Test Monitoring Center, 6555 Penn Avenue, Pittsburgh, PA 15206-4489. This test method is supplemented by Information Letters and
Memoranda issued by the ASTM TMC. This edition incorporates revisions in all Information Letters through No. 07–01.
3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
4
The last approved version of this historical standard is referenced on www.astm.org.
3.1.4.1 Discussion—
Reference oils are used to calibrate testing facilities, to compare the performance of other oils, or to evaluate other materials (such
as seals) that interact with oils.
*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
1
---------------------- Page: 1 ----------------------
D6557 − 13
FIG. 1 Photograph of Air Delivery System
3.1.5 rust (coatings), n—of iron or its alloys, a corrosion product consisting of hydrated iron oxides, usually reddish in color
but can also be brown-to-black.
3.1.6 test oil, n—any oil subjected to evaluation in an established procedure.
3.2 Definitions of Terms Specific to This Standard:
3.2.1 average gray value (AGV),n—measurement of brightness units on test specimens, indicating the degree of rust protection.
3.2.2 specimen, n—a carbon steel ball, 5.6 mm (AISI 1040).
4. Summary of Test Method
4.
...
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