C86300
Manganese Bronze
Manganese Bronzes
Highest strength of standard copper alloys, excellent wear resistance. Used for heavy-duty bearing and structural applications.
Chemical Composition
| Element | Min % | Max % |
|---|---|---|
| Copper (Cu) | 60 | 66 |
| Zinc (Zn) | 22 | 28 |
| Iron (Fe) | 2 | 4 |
| Aluminum (Al) | 3 | 7.5 |
| Manganese (Mn) | 2.5 | 5 |
Physical Properties
| Density | 0.284 lb/cu in |
|---|---|
| Specific Gravity | 7.86 |
| Melting Point (Solidus) | 1583°F |
| Melting Point (Liquidus) | 1625°F |
| Electrical Conductivity | 8% IACS |
Mechanical Properties
| Tensile Strength | 110–119 ksi |
|---|---|
| Yield Strength | 60–67 ksi |
| Elongation | 14–18% |
| Hardness | 223–240 BHN |
| Machinability Rating | 8 |
Thermal Properties
| Thermal Conductivity | 21 Btu/ft·hr·°F |
|---|---|
| Coefficient of Expansion | 11.5 × 10⁻⁶ /°F |
| Specific Heat | 0.09 Btu/lb·°F |
Fabrication Properties
Typical Applications
- Bridge trunnions
- Gears and cam rollers
- Large bearings
- Hydraulic cylinder parts
- Marine propellers
- Screw down nuts
Applicable Specifications
- ASTM B584
- ASTM B763
- SAE J461
- SAE J462
Frequently Asked Questions
Common questions about C86300 Manganese Bronze specifications and applications.
C86300 Manganese Bronze is commonly used for bridge trunnions, gears and cam rollers, large bearings, and hydraulic cylinder parts, marine propellers. Highest strength of standard copper alloys, excellent wear resistance. Used for heavy-duty bearing and structural applications.
C86300 has a machinability rating of 8 (on a scale where free-cutting brass C36000 = 100). This indicates lower machinability, requiring specialized tooling and slower cutting speeds.
C86300 has a tensile strength range of 110-119 ksi. This high strength makes it suitable for heavy-duty structural and load-bearing applications.
Yes, C86300 offers good corrosion resistance. It performs well in various industrial environments.
C86300 is a cast alloy. It is available through sand casting, centrifugal casting, and continuous casting processes.