C63000
Nickel Aluminum Bronze
Wrought nickel aluminum bronze for demanding applications. Offers highest strength of wrought aluminum bronzes.
Tensile Strength
85–105 ksi
Yield Strength
40–68 ksi
Machinability
30 / 100
Density
0.274 lb/in³
Chemical Composition
| Element | Min % | Max % |
|---|---|---|
| Copper (Cu) | 78 | 85 |
| Aluminum (Al) | 9 | 11 |
| Iron (Fe) | 2 | 4 |
| Nickel (Ni) | 4 | 5.5 |
| Manganese (Mn) | — | 1.5 |
Physical Properties
| Density | 0.274 lb/cu in |
|---|---|
| Specific Gravity | 7.58 |
| Melting Point (Solidus) | 1895°F |
| Melting Point (Liquidus) | 1930°F |
| Electrical Conductivity | 8% IACS |
Mechanical Properties
| Tensile Strength | 85–105 ksi |
|---|---|
| Yield Strength | 40–68 ksi |
| Elongation | 10–20% |
| Hardness | 85–100 Rockwell B |
| Machinability Rating | 30 |
Thermal Properties
| Thermal Conductivity | 24 Btu/ft·hr·°F |
|---|---|
| Coefficient of Expansion | 9 × 10⁻⁶ /°F |
| Specific Heat | 0.09 Btu/lb·°F |
Fabrication Properties
Soldering
Brazing
Oxyacetylene Welding
Gas Shielded Arc
Coated Metal Arc
Cold Working
Hot Forming
Typical Applications
- Marine propeller shafts
- Aircraft landing gear
- Heavy-duty bushings
- Valve stems
- Pump shafts
- High-strength fasteners
Applicable Specifications
- ASTM B150
- ASTM B169
- AMS 4640
- SAE J461
- SAE J463