The UNS designations C60600 to C64400 indicate aluminum bronzes, one of the copper alloy categories. These alloys have about 5-12% aluminum in the composition. Aluminum bronzes are stronger than brasses with better corrosion resistance because of the protective alumina film.
Chemical Composition
The chemical composition of copper UNS C60800 is given in the following table.
| Element | Content (%) |
|---|---|
| Copper, Cu | 95 |
| Aluminum, Al | 5 |
Physical Properties
The following table discusses the physical properties of copper UNS C60800.
| Properties | Metric | Imperial |
|---|---|---|
| Density | 8.17 g/cm3 | 0.295 lb/in3 |
| Melting point | 1050 - 1065°C | 1920 - 1949°F |
Mechanical Properties
The mechanical properties of copper UNS C60800 are tabulated below.
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength | 415 MPa | 60200 ksi |
| Yield strength | 185 MPa | 26800 ksi |
| Modulus of elasticity | 121 GPa | 17500 ksi |
| Poisson's ratio | 0.325 | 0.325 |
| Elongation at break | 55% | 55% |
| Hardness, Rockwell F | 77 | 77 |
| Machinability | 20 | 20 |
Thermal Properties
The thermal properties of copper UNS C60800 are tabulated below.
| Properties | Metric | Imperial |
|---|---|---|
| Thermal expansion co-efficient (@20-200°C/68-392°F) | 18 µm/m°C | 10 µin/in°F |
| Thermal conductivity | 79.5 W/mK | 552 BTU in/hr.ft².°F |
Applications
Aluminum bronzes such as copper UNS C60800 are mainly used is in sea water applications.
The following are some of the products made using copper UNS C60800:
Bearings
Condensers
Pipe fittings
Ferrules
Fasteners
Heat exchangers
Pumps and valve components
Evaporator and heat exchanger tubes
