SAE-841
Sintered Bronze
Sintered Bronzes
Self-lubricating bearing material for maintenance-free operation. Oil-impregnated for continuous lubrication.
Tensile Strength
14 ksi
Yield Strength
N/A
Machinability
N/A
Density
0.218 lb/in³
Chemical Composition
| Element | Min % | Max % |
|---|---|---|
| Copper (Cu) | 87.5 | 90.5 |
| Tin (Sn) | 9.5 | 10.5 |
| Graphite (Graphite) | — | 0.5 |
| Iron (Fe) | — | 1 |
| Other (Other) | — | 0.5 |
Physical Properties
| Density | 0.218 lb/cu in |
|---|---|
| Specific Gravity | 6 |
| Porosity | 18-22% |
| Oil Content | 24-27% by volume |
Mechanical Properties
| Tensile Strength | 14 ksi |
|---|---|
| Yield Strength | N/A |
| Elongation | N/A |
| Hardness | 45–70 Rockwell H |
| Machinability Rating | N/A |
Thermal Properties
| Coefficient of Expansion | 10 × 10⁻⁶ /°F |
|---|---|
| Max Operating Temp | 225°F |
Fabrication Properties
Soldering
Brazing
Oxyacetylene Welding
Gas Shielded Arc
Coated Metal Arc
Cold Working
Hot Forming
Typical Applications
- Fractional horsepower motor bearings
- Home appliances
- Farm equipment
- Automotive accessories
- Power tools
- Light-duty self-lubricating bearings
Applicable Specifications
- SAE 841
- ASTM B438
- MPIF 35
Frequently Asked Questions
Common questions about SAE-841 Sintered Bronze specifications and applications.