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FOURBALL EP

Four- Ball Method

The test method is used to determine the relative wear preventive properties and load bearing capacity of lubricating fluids in sliding contact under the prescribed test conditions. Few standard ASTM tests are mentioned below.

  • ASTM D2596 Standard Test Method for Measurement of Extreme-Pressure Properties of Lubricating Grease (Four-Ball Method)
  • ASTM D2783 Standard Test Method for Measurement of Extreme-Pressure Properties of Lubricating Fluids (Four-Ball Method)
  • ASTM D2266 Standard Test Method for Wear Preventive Characteristics of Lubricating Grease (Four-Ball Method)
  • ASTM D4172 Standard Test Method for Wear Preventive Characteristics of Lubricating Fluid (Four-Ball Method)
  • DIN 51350 Testing of lubricants; general working principles

Four- Ball Method Four- Ball Method Four- Ball Method
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