ASTM D4048 Copper Corrosion (Grease) — Overview
General reference for ASTM D4048, often cited as a grease copper corrosion test under specified conditions (comparative).
This page provides a neutral standards reference table. Confirm current standard publications for definitive values.
Classification Table
| Concept | Notes |
|---|---|
| What It Indicates | Relative tendency to corrode copper under the test conditions |
| Relevance | May matter where copper alloys/brass/bronze are present |
| Limits | Not a complete compatibility guarantee; elastomers and coatings still require separate confirmation |
Notes & Limitations
- - Compare ratings only when time/temperature match and reporting is consistent.
Sources
- ASTM references (general)
- Manufacturer datasheets
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