ASTM D1611-00(2005)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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.
Designation:D1611–00(Reapproved2005)
Standard Test Method for
Corrosion Produced by Leather in Contact with Metal
This standard is issued under the fixed designation D1611; 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.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope surface or formation of a layer of reaction products on the
metalsurfaceshallbeconsideredascorrosion.Inthelattercase
1.1 This test method covers the qualitative and quantitative
and for quantitative purposes, the corrosion level should be
determination of corrosion produced by leather in contact with
assessed by determination of the mass changes which occur in
metal. This test method does not apply to wet blue.
the metal panel.
1.2 The values stated in inch-pound units are to be regarded
3.1.2 staining—a discoloration of the metal surface after
as the standard.
contact with a leather specimen, which discoloration is caused
1.3 This standard does not purport to address all of the
by minor amounts of leather—metal interreaction products
safety concerns, if any, associated with its use. It is the
formedonthemetalsurface.Suchstainsshouldreadilybuffoff
responsibility of the user of this standard to establish appro-
the metal surface without permanent marring of its surface
priate safety and health practices and determine the applica-
appearance.
bility of regulatory limitations prior to use.
4. Summary of Test Method
2. Referenced Documents
4.1 A conditioned piece of leather and two plates of the
2.1 ASTM Standards:
same metal are dipped in a noncorrosive oil and drained to the
D91 Test Method for Precipitation Number of Lubricating
drippoint.Theyarestackedtogetherunderaloadof25 65lbf
Oils
(111 6 22 N) and placed in a desiccator containing a relative
2.2 Military Standard:
humidity of 90 to 95 % at 73.5 6 2°F (23 6 1°C) for a period
MIL-H-6083 (latest revision) Hydraulic Fluid, Petroleum
of 14 days. For quantitative purposes, the metal plates are
Base, for Preservation and Operation
weighed before and after the test.
3. Terminology
5. Significance and Use
3.1 Definitions:
5.1 The procedure is primarily intended to evaluate chrome
3.1.1 corrosion—a modification of the metal surface in
leather intended for use in hydraulic systems under circum-
contact with a leather specimen, evidenced by visible pitting
stances where metal corrosion is a serious factor. A high
and erosion of the metal surface or by a change in mass of the
relative humidity is used for the purpose of accelerating the
metal tested in comparison with a blank determination. Any
results.
permanent discoloration in film form on the specimen (metal)
that does not readily buff off with a nonabrasive cloth shall be
6. Apparatus
calledincipientcorrosion,whileanyvisiblepittingofthemetal
6.1 Desiccator, containing a saturated solution of ammo-
nium dihydrogen phosphate.
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This test method is under the jurisdiction ofASTM Committee D31 on Leather
6.2 Four Plates of the Metal to Be Tested —The surface
andisthedirectresponsibilityofD31.01onVegetableLeather.Thistestmethodwas
roughness should be 8 to 16 µm (203 to 406 nm) rms finish.
developed in cooperation with the American Leather Chemists Assn. (Standard
They should be approximately 2 by 4 in. (51 by 102 mm) and
Method E52-1961).
Current edition approved Sept. 1, 2005. Published September 2005. Originally of uniform thickness.
approved in 1958 as D1611–58T. Last previous edition approved in 2000 as
D1611–00. DOI: 10.1520/D1611-00R05.
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For referenced ASTM standards, visit the ASTM website, www.astm.org, or The sole source of supply of the steel test panels-Q Panel QD35, 3 by 5 in.,
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM surface roughness 203–305 nm, known to the committee at this time is The Q Panel
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D1611–00 (2005)
6.3 Mass,25 65lb(11.3 6 2.3 kg). 10. Procedure—Quantitative
6.4 Nonabrasive Clo
...