ASTM D5968-17
(Test Method)Standard Test Method for Evaluation of Corrosiveness of Diesel Engine Oil at 121 °C
Standard Test Method for Evaluation of Corrosiveness of Diesel Engine Oil at 121 °C
SIGNIFICANCE AND USE
4.1 This test method is intended to simulate the corrosion process of non-ferrous metals in diesel lubricants. The corrosion process under investigation is that believed to be induced primarily by inappropriate lubricant chemistry rather than lubricant degradation or contamination. This test method has been found to correlate with an extensive fleet database containing corrosion-induced cam and bearing failures.
SCOPE
1.1 This test method is used to test diesel engine lubricants to determine their tendency to corrode various metals, specifically alloys of lead and copper commonly used in cam followers and bearings. Correlation with field experience has been established.4
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.3 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Specific hazard statements are given in 5.3.1, 6.6, 6.7, 6.8, 6.9, 6.10, 7.1.1, 7.1.2, 7.1.5, and 7.4.1.
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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Designation: D5968 − 17
Standard Test Method for
1
Evaluation of Corrosiveness of Diesel Engine Oil at 121 °C
This standard is issued under the fixed designation D5968; 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.
INTRODUCTION
The method described in this test method is based on the gas turbine lubricant corrosion and
oxidation test described in FederalTest Method Standard 791, Method 5308. Because this test method
relates to corrosion in diesel engines rather than in gas turbines, temperatures, metal coupons, and
certain parts of the test procedure were modified to be more appropriate for heavy duty diesel engines.
The method described in this test method can be used by any properly equipped laboratory, without
2
outside assistance. However, the ASTM Test Monitoring Center (TMC) provides reference oils and
an assessment of the test results obtained on those oils by the laboratory (see Annex A1). By these
means, the laboratory will know whether their use of the test method gives results statistically similar
to those obtained by other laboratories. Furthermore, various agencies require that a laboratory utilize
the TMC services in seeking qualification of oils against specifications. For example, the U.S. Army
imposes such a requirement in connection with several Army engine lubricating oil specifications.
Accordingly, this test method is written for use by laboratories that utilize the TMC services.
Laboratories that choose not to use those services may simply ignore those portions of the test method
that refer to the TMC.
This test method may be modified by means of Information Letters issued by theTMC. In addition,
the TMC may issue supplementary memoranda related to the method (see Annex A1). For other
3
information, refer to the research report on the Cummins Bench Corrosion Test.
1. Scope* 1.3 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
1.1 This test method is used to test diesel engine lubricants
responsibility of the user of this standard to establish appro-
to determine their tendency to corrode various metals, specifi-
priate safety, health, and environmental practices and deter-
cally alloys of lead and copper commonly used in cam
mine the applicability of regulatory limitations prior to use.
followers and bearings. Correlation with field experience has
4 Specific hazard statements are given in 5.3.1, 6.6, 6.7, 6.8, 6.9,
been established.
6.10, 7.1.1, 7.1.2, 7.1.5, and 7.4.1.
1.2 The values stated in SI units are to be regarded as
1.4 This international standard was developed in accor-
standard. No other units of measurement are included in this
dance with internationally recognized principles on standard-
standard.
ization established in the Decision on Principles for the
Development of International Standards, Guides and Recom-
mendations issued by the World Trade Organization Technical
1
This test method is under the jurisdiction of ASTM Committee D02 on
Barriers to Trade (TBT) Committee.
Petroleum Products, Liquid Fuels, and Lubricantsand is the direct responsibility of
Subcommittee D02.B0.02 on Heavy Duty Engine Oils.
2. Referenced Documents
Current edition approved Oct. 1, 2017. Published October 2017. Originally
approved in 1998. Last previous edition approved in 2014 as D5968 – 14. DOI:
5
2.1 ASTM Standards:
10.1520/D5968-17.
2
D130 Test Method for Corrosiveness to Copper from Petro-
ASTM Test Monitoring Center, 6555 Penn Ave., Pittsburgh, PA 15206-4489.
(http://www.astmtmc.cmu.edu/)
leum Products by Copper Strip Test
3
Supporting data have been filed at ASTM International Headquarters and may
D5185 Test Method for Multielement Determination of
be obtained by requesting Research Report RR:D02-1322. The research report and
this test method are supplemented by Information Letters and Memoranda issued by
theASTM Test Monitoring Center. This edition incorporates revisions contained in
5
all information letters through No. 17-1. Users of this test method shall contact the For referenced ASTM standards, visit the ASTM website, www.astm.org, or
ASTM Test Monitoring Center to obtain the most recent of these. contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
4
Wang, J. C., and Cusano, C. M., “Development ofABench Test to Detect Oils Standards volume information, refer to the standard’s Document Summary page on
Corrosive to Engine Components,” SAE Technical Paper No. 940790, 1994. the ASTM website.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr
...
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: D5968 − 14 D5968 − 17
Standard Test Method for
1
Evaluation of Corrosiveness of Diesel Engine Oil at 121 °C
This standard is issued under the fixed designation D5968; 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.
INTRODUCTION
The method described in this test method is based on the gas turbine lubricant corrosion and
oxidation test described in Federal Test Method Standard 791, Method 5308. Because this test method
relates to corrosion in diesel engines rather than in gas turbines, temperatures, metal coupons, and
certain parts of the test procedure were modified to be more appropriate for heavy duty diesel engines.
The method described in this test method can be used by any properly equipped laboratory, without
2
outside assistance. However, the ASTM Test Monitoring Center (TMC) provides reference oils and
an assessment of the test results obtained on those oils by the laboratory (see Annex A1). By these
means, the laboratory will know whether their use of the test method gives results statistically similar
to those obtained by other laboratories. Furthermore, various agencies require that a laboratory utilize
the TMC services in seeking qualification of oils against specifications. For example, the U.S. Army
imposes such a requirement in connection with several Army engine lubricating oil specifications.
Accordingly, this test method is written for use by laboratories that utilize the TMC services.
Laboratories that choose not to use those services may simply ignore those portions of the test method
that refer to the TMC.
This test method may be modified by means of Information Letters issued by the TMC. In addition,
the TMC may issue supplementary memoranda related to the method (see Annex A1). For other
3
information, refer to the research report on the Cummins Bench Corrosion Test.
1. Scope*
1.1 This test method is used to test diesel engine lubricants to determine their tendency to corrode various metals, specifically
4
alloys of lead and copper commonly used in cam followers and bearings. Correlation with field experience has been established.
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.3 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 safety, health, and healthenvironmental practices and determine the
applicability of regulatory limitations prior to use. Specific hazard statements are given in 5.3.1, 6.6, 6.7, 6.8, 6.9, 6.10, 7.1.1, 7.1.2,
7.1.5, and 7.4.1.
1.4 This international standard was developed in accordance with internationally recognized principles on standardization
established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued
by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents
5
2.1 ASTM Standards:
D130 Test Method for Corrosiveness to Copper from Petroleum Products by Copper Strip Test
1
This test method is under the jurisdiction of ASTM Committee D02 on Petroleum Products, Liquid Fuels, and Lubricantsand is the direct responsibility of Subcommittee
D02.B0.02 on Heavy Duty Engine Oils.
Current edition approved May 1, 2014Oct. 1, 2017. Published May 2014October 2017. Originally approved in 1998. Last previous edition approved in 20132014 as
D5968 – 06 (2013).D5968 – 14. DOI: 10.1520/D5968-14.10.1520/D5968-17.
2
ASTM Test Monitoring Center, 6555 Penn Ave., Pittsburgh, PA 15206-4489. (http://www.astmtmc.cmu.edu/)
3
Supporting data have been filed at ASTM International Headquarters and may be obtained by requesting Research Report RR:D02-1322. The research report and this
test method are supplemented by Information Letters and Memoranda issued by the ASTM Test Monitoring Center. This edition incorporates revisions contained in all
information letters through No. 13–1.17-1. Users of this test method shall contact the ASTM Test Monitoring Center to obtain the most recent of these.
4
Wang, J. C., and Cusano, C. M., “Development of A Bench Test to Detect Oils Corrosive to Engine Components,” SAE Technical Paper No. 940790, 1994.
5
For referenced ASTM standards, visit the ASTM
...
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