ASTM D6203-06

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation:D6203–06
Standard Test Method for
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Thermal Stability of Way Lubricants
This standard is issued under the fixed designation D6203; 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 stability of a way lubricant in the presence of copper and steel
rods at 100°C. Deposits and rod colors are the evaluation
1.1 This test method covers the evaluation of the thermal
criteria. No correlation of the test to field service has been
stability of hydrocarbon–based way lubricants, although oxi-
made.
dation may occur during the test.
4.2 This test method is intended for use in qualifying a way
1.2 The values stated in SI units are to be regarded as
lubricant, rather than for quality control or condition monitor-
standard. The values given in parentheses are for information
ing purposes.
only.
1.3 This standard does not purport to address all of the
5. Apparatus
safety concerns, if any, associated with its use. It is the
5.1 Gravity Convection Electric Oven, capable of maintain-
responsibility of the user of this standard to establish appro-
ing the samples at a test temperature of 100 6 2°C.
priate safety and health practices and determine the applica-
5.2 Calibrated Temperature Indicator, suitable for measur-
bility of regulatory limitations prior to use.
ing and controlling the oven temperature.
2. Referenced Documents 5.3 Griffın Beakers, borosilicate glass, 100 mL.
2
5.4 Copper Test Specimens, in accordance with UNS
2.1 ASTM Standards:
C11000, 99.9 % pure electrolytic tough pitch copper, 6.4 mm
D4057 Practice for Manual Sampling of Petroleum and
in diameter by 7.6 cm in length (0.25 by 3.0 in.).
Petroleum Products
5.5 Steel Test Specimens, in accordance with AISI W1 1 %
2.2 Other Standards:
3
carbon steel, 6.4 mm in diameter by 7.6 cm in length (0.25 by
UNS C11000 Electrolytic Tough Pitch Copper
4
3.0 in.).
AISI W1 1% Carbon Tool Steel
5.6 Silicon Carbide Abrasive, 320 grit with cloth backing.
3. Summary of Test Method
5.7 Crocus Cloth.
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5.8 Cincinnati Milacron Color Chart.
3.1 Abeaker containing test oil and copper and steel rods is
5.9 Facial Tissue.
placed in a gravity convection electric oven for 24 h at a test
temperature of 100°C.At the completion of the test, the copper
6. Reagents
and steel rods are visually rated for discoloration and the
6.1 Reagent GradeAcetone.(Warning—Flammable,health
beaker is visually evaluated for deposits.
hazard.)
4. Significance and Use 6.2 Reagent Grade Heptane.(Warning—Flammable,
health hazard.)
4.1 Thermal stability characterizes physical and chemical
property changes which may adversely affect an oil’s lubricat-
7. Preparation of Metal Rods
ing performance. This test method evaluates the thermal
7.1 Handle the rods at all times using forceps, facial tissue,
or suitable gloves.
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This test method is under the jurisdiction of ASTM Committee D02 on
7.2 Clean the iron and copper catalyst rods, whether new or
Petroleum Products and Lubricants and is the direct responsibility of
previously used, prior to use. Clean the rods with the 320 grit
SubcommitteeD02.L0.01 on Metal Removal Fluids and Lubricants.
silicon carbide abrasive cloth while rotating the rods in a drill
Current edition approved Dec. 1, 2006. Published January 2007. Originally
approved in 1997. Last previous edition approved in 2001 as D6203–97(2001). chuck at 1700 to 1800 rev/min. Clean the surface until it has a
DOI: 10.1520/D6203-06.
bright copper or steel appearance. Discard rods when diameter
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
is less than 6 mm.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
7.3 Prepare surfaces finally with a crocus cloth. Remove all
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
grindmarks.Finishtherodstoalightlypolishedsurfacefinish.
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Available from Copper Development Assoc., 2 Greenwich Office Park, Box
1840, Greenwich, CT 06836.
4
Available from American Iron and Steel Institute (AISI), 1140 Connecticut
5
Ave., NW, Suite 705, Washington, DC 20036, http://www.steel.org. Available from Milacron Inc., 2090 Florence Ave., Cincinnati, OH 45206.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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D6203–06
TABLE 1 Results of Interlaboratory Testing
Copper Rod Rating Steel Rod Rating Deposits (Y/N)
Cooperator: 3456 3456 3456
Waylube:
A 1221 1111 NNNN
1221 1111 NNNN
B 5535 1111 NNNN
5545 1111 NNNN
C 3342 1111 Y N N N
3342 1111 Y N N N
D 335
...