EngiRef / Copper Properties
C17200 Beryllium Copper
C17200 Beryllium Copper (UNS C17200 / Alloy 25): copper engineering material. Density 8250 kg/m³. Yield 1035 MPa, ultimate 1310 MPa. Elastic modulus 131 GPa.
copper
Specification
- Name
- C17200 Beryllium Copper
- Category
- copper
- Designation
- UNS C17200 / Alloy 25
- Applications
- Springs, Electrical contacts, Non-sparking tools, Mold inserts
- Notes
- Highest strength copper alloy. Age hardenable. Expensive due to beryllium content.
Properties
| Property | Value |
|---|---|
| Density | 8250 kg/m³ |
| Tensile Strength Yield | 1035 MPa |
| Tensile Strength Ultimate | 1310 MPa |
| Elastic Modulus | 131 GPa |
| Shear Modulus | 50 GPa |
| Poissons Ratio | 0.3 |
| Thermal Conductivity | 115 W/(m·K) |
| Thermal Expansion | 17 µm/(m·K) |
| Specific Heat | 420 J/(kg·K) |
| Melting Point | 870 °C |
| Hardness | Brinell: 370, Rockwell C: C40 |
| Electrical Resistivity | 7.7000 × 10^-8 Ω·m |