ASTM D1611-00

Standard Test Method for Corrosion Produced by Leather in Contact with Metal

SCOPE
1.1 This test method covers the qualitative and quantitative determination of corrosion produced by leather in contact with metal. This test method does not apply to wet blue.
1.2 The values stated in inch-pound units are to be regarded as the standard.
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.

General Information

• Status: Historical
• Publication Date: 09-Sep-2000
• ICS: 59.140.30 - Leather and furs
• Technical Committee: D31 - Leather
• Drafting Committee: D31.01 - Vegetable Leather

Relations

• Replaced By: ASTM D1611-00(2005) - Standard Test Method for Corrosion Produced by Leather in Contact with Metal
• Effective Date: 01-Sep-2005

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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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
Designation:D1611–00
Standard Test Method for
Corrosion Produced by Leather in Contact with Metal
This standard is issued under the fixed designation D 1611; 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 3.1.2 staining—a discoloration of the metal surface after
contact with a leather specimen, which discoloration is caused
1.1 This test method covers the qualitative and quantitative
by minor amounts of leather—metal interreaction products
determination of corrosion produced by leather in contact with
formedonthemetalsurface.Suchstainsshouldreadilybuffoff
metal. This test method does not apply to wet blue.
the metal surface without permanent marring of its surface
1.2 The values stated in inch-pound units are to be regarded
appearance.
as the standard.
1.3 This standard does not purport to address all of the
4. Summary of Test Method
safety concerns, if any, associated with its use. It is the
4.1 A conditioned piece of leather and two plates of the
responsibility of the user of this standard to establish appro-
same metal are dipped in a noncorrosive oil and drained to the
priate safety and health practices and determine the applica-
drippoint.Theyarestackedtogetherunderaloadof25 65lbf
bility of regulatory limitations prior to use.
(111 6 22 N) and placed in a desiccator containing a relative
2. Referenced Documents humidity of 90 to 95 % at 73.5 6 2°F (23 6 1°C) for a period
of 14 days. For quantitative purposes, the metal plates are
2.1 ASTM Standards:
weighed before and after the test.
D 91 Test Method for Precipitation Number of Lubricating
Oils
5. Significance and Use
2.2 Military Standard:
5.1 The procedure is primarily intended to evaluate chrome
MIL-H-6083 (latest revision) Hydraulic Fluid, Petroleum
leather intended for use in hydraulic systems under circum-
Base, for Preservation and Operation
stances where metal corrosion is a serious factor. A high
3. Terminology relative humidity is used for the purpose of accelerating the
results.
3.1 Definitions:
3.1.1 corrosion—a modification of the metal surface in
6. Apparatus
contact with a leather specimen, evidenced by visible pitting
6.1 Desiccator, containing a saturated solution of ammo-
and erosion of the metal surface or by a change in mass of the
nium dihydrogen phosphate.
metal tested in comparison with a blank determination. Any
6.2 Four Plates of the Metal to Be Tested —The surface
permanent discoloration in film form on the specimen (metal)
roughness should be 8 to 16 µm (203 to 406 nm) rms finish.
that does not readily buff off with a nonabrasive cloth shall be
They should be approximately 2 by 4 in. (51 by 102 mm) and
calledincipientcorrosion,whileanyvisiblepittingofthemetal
of uniform thickness.
surface or formation of a layer of reaction products on the
6.3 Mass,25 65lb(11.3 6 2.3 kg).
metalsurfaceshallbeconsideredascorrosion.Inthelattercase
6.4 Nonabrasive Cloth—The cloth should not scratch or
and for quantitative purposes, the corrosion level should be
mar the surface of the metal plates when the plates are rubbed
assessed by determination of the mass changes which occur in
with the cloth, or cause any change in the mass of the metal
the metal panel.
plates.
6.5 Forceps.
This test method is under the jurisdiction ofASTM Committee D31 on Leather 6.6 Analytical Balance.
andisthedirectresponsibilityofD31.01onVegetableLeather.Thistestmethodwas
developed in cooperation with the American Leather Chemists Assn. (Standard
Method E 52-1961). The sole source of supply of the steel test panels-Q Panel QD35, 3 by 5 in.,
Current edition approved Sept. 10, 2000. Published October 2000. Originally surface roughness 203–305 nm, known to the committee at this time is The Q Panel
published as D 1611–58T. Last previous edition D 1611–81 (1998). Company, 15610 Industrial Parkway, Cleveland, OH 44135. If you are aware of
Annual Book of ASTM Standards, Vol 05.01. alternative suppliers, please provide this information to ASTM Headquarters. Your
AvailablefromStandardizationDocumentsOrderDesk,Bldg.4SectionD,700 comments will receive careful consideration at a meeting of the responsible
Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS. technical committee , which you may attend.
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