ASTM D3603-93(1997)
(Test Method)Standard Test Method for Rust-Preventing Characteristics of Steam Turbine Oil in the Presence of Water (Horizontal Disk Method)
Standard Test Method for Rust-Preventing Characteristics of Steam Turbine Oil in the Presence of Water (Horizontal Disk Method)
SCOPE
1.1 This test method covers the ability of steam-turbine oils to prevent the rusting of horizontal and vertical ferrous surfaces when water becomes mixed with the oil.
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.3 This standard does not purport to address all of the safety problems, 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.
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Designation: D 3603 – 93 (Reapproved 1997) An American National Standard
AMERICAN SOCIETY FOR TESTING AND MATERIALS
100 Barr Harbor Dr., West Conshohocken, PA 19428
Reprinted from the Annual Book of ASTM Standards. Copyright ASTM
Standard Test Method for
Rust-Preventing Characteristics of Steam Turbine Oil in the
1
Presence of Water (Horizontal Disk Method)
This standard is issued under the fixed designation D 3603; 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 Annex II, Reference Materials and Blending Accessories,
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Motor Section
1.1 This test method covers the ability of steam-turbine oils
to prevent the rusting of horizontal and vertical ferrous surfaces
3. Summary of Test Method
when water becomes mixed with the oil.
3.1 The test method involves completely immersing a hori-
1.2 The values stated in SI units are to be regarded as the
zontal steel disk and vertical steel cylinder in a stirred mixture
standard. The values given in parentheses are for information
of 275 mL of the oil under test and 25 mL of distilled water
only.
(water conforming to Specification D 1193, Type II) at a
1.3 This standard does not purport to address all of the
temperature at 60°C (140°F).
safety concerns, if any, associated with its use. It is the
3.2 The horizontal specimen allows water to puddle on the
responsibility of the user of this standard to establish appro-
surface, and the vertical specimen is continually washed with
priate safety and health practices and determine the applica-
the oil-water mixture during the test.
bility of regulatory limitations prior to use.
3.3 The test is run for 6 h and the specimens are evaluated.
4. Significance and Use
2. Referenced Documents
4.1 Horizontal metal surfaces, on which water droplets tend
2.1 ASTM Standards:
to be retained, are more prone to rusting and corrosion than
A 108 Specification for Steel Bars, Carbon, Cold-Finished,
2
vertical or sloping surfaces. This test method is therefore more
Standard Quality
discriminating than Test Method D 665 (Procedure A), since it
A 240/A 240M Specification for Heat Resisting Chromium
gives a separate evaluation of the oil on a horizontal and a
and Chromium-Nickel Stainless Steel Plate, Sheet, and
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vertical surface. The test method indicates the ability of oils to
Strip for Pressure Vessels
prevent rusting and corrosion of all ferrous surfaces in steam
D 91 Test Method for Precipitation Number of Lubricating
4
turbines under full flow and quasi-static conditions. It is used
Oils
for specification of new oils.
D 665 Test Method for Rust-Preventing Characteristics of
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Inhibited Mineral Oil in the Presence of Water
5. Apparatus
5
D 1193 Specification for Reagent Water
5.1 Oil Bath—A thermostatically controlled liquid bath
D 4057 Practice for Manual Sampling of Petroleum and
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capable of maintaining a temperature in the oil sample of 60 6
Petroleum Products
7
1°C (140 6 2°F). The bath shall have a cover with holes to
E 1 Specification for ASTM Thermometers
accommodate the test beakers.
2.2 Other Documents:
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NOTE 1—The bath used for Test Method D 665 may be used with slight
IP 60/80 Specification for Petroleum Spirit
modification, that is, the centers of the beaker holes are moved from 6.4
1 23
mm to 18.3 mm ( ⁄4to ⁄32 in.) from the axes of the stirrers.
NOTE 2—To indicate the temperature, a thermometer conforming to the
requirements of ASTM Thermometer 9C or 9F, or IP Thermometer 21C,
1
This test method is under the jurisdiction of ASTM Committee D-2 on
as prescribed in Specification E 1 should be used.
Petroleum Products and Lubricants and is the direct responsibility of D02.C0.02 on
Corrosion and Water/Air Separability.
5.2 Beaker—A 400-mL, Berzelius-type, tall-form heat-
Current edition approved March 15, 1993. Published May 1993. Originally
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resistant glass beaker without pourout, as shown in Fig. 1 ,
published as D 3603 – 77. Last previous edition D 3603 – 82.
2
Annual Book of ASTM Standards, Vol 01.05. approximately 127 mm (5 in.) in height measured from the
3
3
Annual Book of ASTM Standards, Vol 01.03.
inside bottom center and approximately 70 mm (2 ⁄4 in.) in
4
Annual Book of ASTM Standards, Vol 05.01.
inside diameter measured at the middle.
5
Annual Book of ASTM Standards, Vol 11.01.
6
Annual Book of ASTM Standards,Vol 05.02.
7
Annual Book of ASTM Standards, Vol 14.03.
8 9
Available from Applied Science Publishers, Ltd., Ripple Road, Barking, Essex, Annual Book of ASTM Standards, Vol 05.04.
10
England. Borosilicate glass is satisfactory for this purpose.
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