ASTM-D4048 › Historical Revision Information
Standard Test Method for Detection of Copper Corrosion from Lubricating Grease
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Scope
1.1 This test method covers the detection of the corrosiveness to copper of lubricating grease.
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 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. For specific hazard statements, see Sections 7, 8, and 10.
Significance and Use
This test method measures the tendency of lubricating grease to corrode copper under specific static conditions. It may be of some value in predicting possible chemical attack on lubricated parts, such as bearings that contain copper or copper alloys. Such corrosion, for example, can cause premature bearing failures. However, no correlations with actual field service, most of which are under dynamic conditions, have been established. It does not measure either the ability of the lubricant to inhibit copper corrosion caused by factors other than the lubricant itself nor does it measure the stability of the grease in the presence of copper.
Keywords
copper corrosion; copper strip; copper tarnish; lubricating grease; ICS Number Code 75.100 (Lubricants, industrial oils and related products)
To find similar documents by ASTM Volume:
05.01 (Petroleum Products and Lubricants (I): D56 - D3710)
05.02 (Petroleum Products and Lubricants (II): D3711 - D6122)
To find similar documents by classification:
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Document Number
ASTM-D4048-02
Revision Level
2002 EDITION
Status
Superseded
Modification Type
Revision
Publication Date
April 10, 2002
Document Type
Test Method
Page Count
4 pages
Committee Number
D02.G0.01