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ASTM D2783

2003 Edition, August 10, 2003

Complete Document

Standard Test Method for Measurement of Extreme-Pressure Properties of Lubricating Fluids (Four-Ball Method)

Includes all amendments and changes through Reapproval Notice , 2014


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ALSO SEE ASTM D2783 (R)
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Product Details:

  • Revision: 2003 Edition, August 10, 2003
  • Published Date: January 2014
  • Status: Active, Most Current
  • Document Language: English
  • Published By: ASTM International (ASTM)
  • Page Count: 9
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

This test method covers the determination of the loadcarrying properties of lubricating fluids. The following two determinations are made: 

Load-wear index (formerly Mean-Hertz load). 

Weld point by means of the four-ball extreme-pressure (EP) tester. 

For the determination of the load-carrying properties of lubricating greases, see Test Method D2596.

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

The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.