ASTM D2596 (Four-Ball EP Test) — Overview
High-level overview of ASTM D2596 four-ball EP test metrics commonly cited for greases (general reference).
This page provides a neutral standards reference table. Confirm current standard publications for definitive values.
Classification Table
| Term | Meaning (general) |
|---|---|
| Weld Load | Load where seizure/weld occurs in the test |
| Load-Wear Index | Aggregate EP performance metric (interpretation varies) |
| Scar Diameter | Reported in related four-ball tests; not always D2596 primary output |
Notes & Limitations
- - Test methods and reporting vary by product and datasheet; use as comparative signal, not absolute prediction.
Sources
- ASTM references (general)
- Manufacturer datasheets
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