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ASTM D6121-06

(Test Method)

Standard Test Method for Evaluation of Load-Carrying Capacity of Lubricants Under Conditions of Low Speed and High Torque Used for Final Hypoid Drive Axles

Standard Test Method for Evaluation of Load-Carrying Capacity of Lubricants Under Conditions of Low Speed and High Torque Used for Final Hypoid Drive Axles

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1.1 This test method is commonly referred to as the L-37 test. This test method covers a test procedure for evaluating the load-carrying, wear, and extreme pressure properties of a gear lubricant in a hypoid axle under conditions of low-speed, high-torque operation.
1.2 This test method also provides for the running of the low axle temperature (Canadian) L-37 test. The procedure for the low axle temperature (Canadian) L-37 test is identical to the standard L-37 test with the exceptions of the items specifically listed in . The procedure modifications listed in refer to the corresponding section of the standard L-37 test method.
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
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. Specific warning information is given in Sections 4 and 7.

General Information

Status
Historical
Publication Date
30-Apr-2006
ICS
75.100 - Lubricants, industrial oils and related products
Technical Committee
D02 - Petroleum Products, Liquid Fuels, and Lubricants
Drafting Committee
D02.B0.03 - Automotive Gear Lubricants & Fluids
Current Stage
Ref Project

Relations

Replaces
ASTM D6121-05a - Standard Test Method for Evaluation of the Load Carrying Capacity of Lubricants Under Conditions of Low Speed and High Torque Used for Final Hypoid Drive Axles
Effective Date
01-May-2006
Replaced By
ASTM D6121-06a - Standard Test Method for Evaluation of Load-Carrying Capacity of Lubricants Under Conditions of Low Speed and High Torque Used for Final Hypoid Drive Axles
Effective Date
01-Nov-2006
Referred By
ASTM D7450-19 - Standard Specification for Performance of Rear Axle Gear Lubricants Intended for API Category GL-5 Service
Effective Date
01-May-2006
Referred By
ASTM D8165-22 - Standard Test Method for Evaluation of Load-Carrying Capacity of Lubricants Used in Hypoid Final-Drive Axles Operated under Low-Speed and High-Torque Conditions
Effective Date
01-May-2006

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ASTM D6121-06 - Standard Test Method for Evaluation of Load-Carrying Capacity of Lubricants Under Conditions of Low Speed and High Torque Used for Final Hypoid Drive AxlesASTM D6121-06 - Standard Test Method for Evaluation of Load-Carrying Capacity of Lubricants Under Conditions of Low Speed and High Torque Used for Final Hypoid Drive Axles
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ASTM D6121-06 - Standard Test Method for Evaluation of Load-Carrying Capacity of Lubricants Under Conditions of Low Speed and High Torque Used for Final Hypoid Drive Axles
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Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
An American National Standard
Designation:D6121–06
Standard Test Method for
Evaluation of Load-Carrying Capacity of Lubricants Under
Conditions of Low Speed and High Torque Used for Final
1
Hypoid Drive Axles
This standard is issued under the fixed designation D 6121; 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 (Hydrocarbon Dry Cleaning Solvent)
E29 Practice for Using Significant Digits in Test Data to
1.1 This test method is commonly referred to as the L-37
2
Determine Conformance with Specifications
test. This test method covers a test procedure for evaluating
4
2.2 Military Specification:
the load-carrying, wear, and extreme pressure properties of a
MIL-PRF-2105E Lubricating Oil, Gear, Multipurpose
gear lubricant in a hypoid axle under conditions of low-speed,
5
2.3 AGMA National Standard:
high-torque operation.
Nomenclature of Gear Tooth Failure Modes
1.2 Thistestmethodalsoprovidesfortherunningofthelow
6
2.4 SAE Standard:
axle temperature (Canadian) L-37 test. The procedure for the
SAE J308 Information Report on Axle and Manual Trans-
low axle temperature (Canadian) L-37 test is identical to the
mission Lubricants
standard L-37 test with the exceptions of the items specifically
SAE J2360 Lubricating Oil, Gear Multipurpose (Metric)
listed in Annex A6. The procedure modifications listed in
Military Use
Annex A6 refer to the corresponding section of the standard
L-37 test method.
3. Terminology
1.3 The values stated in inch-pound units are to be regarded
3.1 Definitions of Terms Specific to This Standard:
as standard. The values given in parentheses are mathematical
3.1.1 abrasive wear, n—on ring and pinion gears, removal
conversions to SI units that are provided for information only
of material from the operating surface of the gear caused by
and are not considered standard.
lapping of mating surfaces by fine particles suspended in
1.4 This standard does not purport to address all of the
lubricant, fuel, or air or imbedded in a surface.
safety concerns, if any, associated with its use. It is the
7
CRC Rating Manual No. 21
responsibility of the user of this standard to establish appro-
3.1.2 adhesive wear, n—on ring and pinion gears, removal
priate safety and health practices and determine the applica-
of material from the operating surface of the gear caused by
bility of regulatory limitations prior to use. Specific warning
shearing of junctions formed between operating surfaces in
information is given in Sections 4 and 7.
direct metal-to-metal contact; sheared-off particles either re-
2. Referenced Documents main affixed to the harder of the mating surfaces or act as wear
3 particles between the surfaces. CRC Rating Manual No. 21
2.1 ASTM Standards:
3.1.3 burnish, n—on ring and pinion gears, an alteration of
D 235 Specification for Mineral Spirits (Petroleum Spirits)
the original manufactured surface to a dull or brightly polished
condition. CRC Rating Manual No. 21
1
3.1.4 corrosion, n—in final drive axles, a general alteration
This test method is under the jurisdiction of ASTM Committee D02 on
Petroleum Products and Lubricants and is the direct responsibility of Subcommittee
of the finished surfaces of bearings or gears by discoloration,
D02.B0 on Automotive Lubricants.
accompanied by roughening not attributable to mechanical
Current edition approved May 1, 2006. Published May 2006. Originally
action. CRC Rating Manual No. 21
approved in 1997. Last previous edition approved in 2005 as D 6121–05a.
2
Until the next revision of this test method, the ASTM Test Monitoring Center
(TMC) will update changes in this test method by means of Information Letters.
4
This edition includes all Information Letters through No. 05–2. Information Letters AvailablefromStandardizationDocumentsOrderDesk,Bldg4,SectionD,700
may be obtained from the ASTM Test Monitoring Center, 6555 Penn Ave, Robbins Avenue, Philadelphia, PA 19111–5098.
5
Pittsburgh, PA15206,Attn:Administrator. The TMC is also the source of reference American Gear Manufacturers Assn. (AGMA), 1500 King St., Suite 201,
oils. Alexandria, VA 22314.
3 6
For referenced ASTM standards, visit the ASTM website, www.astm.org, or Available from Society of Automotive Engineers (SAE), 400 Commonwealth
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Dr., Warrendale, PA 15096-0001.
7
Standards volume information, refer to the standard’s Document Summary page on Available from Coordinating Research Council (CRC), 219 Perimeter Ctr.
the ASTM website. Pkwy., Atlanta, GA 30346.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C70
...

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5.1 The low-temperature, low-shear-rate viscosity of automatic transmission fluids, gear oils, torque and tractor fluids, and industrial and automotive hydraulic oils (see Appendix X4) are of considerable importance to the proper operation of many mechanical devices. Measurement of the viscometric properties of these oils and fluids at low temperatures is often used to specify their acceptance for service. This test method is used in a number of specifications.  
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1.3 Spectra and distribution profiles presented herein are for illustrative purposes only and are not to be construed as representing or establishing lubricant or machinery guidelines.  
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1.5 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.  
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1.1 This test method covers quantitative procedures for the evaluation of the compatibility of automotive engine oils with several reference elastomers typical of those used in the sealing materials in contact with these oils. Compatibility is evaluated by determining the changes in volume, Durometer A hardness, and tensile properties when the elastomer specimens are immersed in the oil for a specified time and temperature.  
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Note 2: In such cases, the precision and bias statement in Section 12 does not apply. In addition to agreeing acceptable limits of precision, where relevant, the user and supplier should also agree:  (1) test temperatures and immersion times to be used; (2) the formulations and typical properties of the elastomers; and (3) the sourcing and quality control of the elastomer sheets.
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Standard Test Method for Measurement of Flow Properties and Evaluation of Wear, Contaminants, and Oxidative Properties of Lubricating Grease by Die Extrusion Method and Preparation

SIGNIFICANCE AND USE
5.1 Trending the wear, contamination, consistency, and oxidative properties of a lubricating grease is a crucial part of condition-monitoring programs. Changes in these properties or deviations from the new grease can be indicative of problems within the lubricated component, such as the mixing of incompatible thickener types, excessive wear or contaminant levels, or significant depletion of antioxidant levels. These test methods also makes it possible to develop trends that can be used to predict failures before they occur and allow for corrective action to be taken.
SCOPE
1.1 This test method covers the determination and evaluation of flow properties, wear levels, contaminants, and oxidative condition of new and in-service lubricating grease.  
1.2 This test method provides guidance on evaluating in-service grease samples, NLGI grades 00 to 3, for wear, consistency, contamination, and oxidation.  
1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.  
1.3.1 Exception—The exception to this will be where units of references were developed by the developers of the test equipment and necessary to report the results of the test.  
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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.5 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.

  • Standard
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  • Standard
    9 pages
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ASTM
ASTM D7922-23(Test Method)
Standard Test Method for Determination of Glycol for In-Service Engine Oils by Gas Chromatography

SIGNIFICANCE AND USE
5.1 Some glycol/antifreeze dilution of in-service engine oil is normal under typical operating conditions. However, excessive glycol dilution can lead to decreased performance, premature wear, or sudden engine failure. This test method provides a means of quantifying the level of glycol based antifreeze dilution, allowing the user to take necessary action.
SCOPE
1.1 This test method covers the determination of glycol based antifreeze for in-service engine oil by derivative headspace/gas chromatography.  
1.2 Sample is derivatized in-situ directly in a headspace sampling vial prior to vapor phase extraction and injection into a gas chromatograph.  
1.3 The chemistry of the derivatization is unique to the detection of the molecules of ethylene glycol and 1,2-propylene glycol. 1,3-propylene glycol could also be detected but is not used in any known anti-freeze at this time. Other coolant analyses are beyond the scope of this test method.  
1.4 The derivatization process does not affect glycol breakdown products such as glycolate and formate and hence the presence of these compounds in the oil will not be quantified.  
1.5 The test method concentration range is from 50 µg/g to 1000 µg/g. Lower levels are possible by method modifications. Higher levels are possible through sample dilution.  
1.6 Units—The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.  
1.7 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.  
1.8 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.

  • Standard
    8 pages
    English language
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  • Standard
    8 pages
    English language
    sale 15% off