BM 1751HT
UNS C17510RWMA Class 3
CuNiBe alloy for projection and spot welding electrodes, plastic-mold tooling, and high-power electronic components.
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Chemical composition
Chemical composition
| Copper | Remainder |
|---|---|
| Beryllium | 0.2–0.6% |
| Nickel | 1.4–2.4% |
| Cobalt | máx. 0.3% |
| Others | máx. 0.5% |
Mechanical properties
Mechanical properties
| Tensile strength | 795–915 MPa |
|---|---|
| Yield strength | 620–760 MPa |
| Elongation | 10–11 % |
| Rockwell B hardness | 96–100 |
| Density | 8.75 kg/dm³ |
Informational values. Vary by manufacturing process, geometry, and dimensions.
Thermal & electrical
Thermal & electrical properties
| Electrical conductivity | 58–62 %IACS |
|---|---|
| Thermal conductivity (20 °C) | 252–260 W/m·K |
Available formats
Formats
BilletMachinedPlateStrip
Typical applications
Typical applications
- Resistance welding equipment
- Plastic-mold tooling
- Electrodes and electrode holders
- Injection pistons
- Connectors, terminals, and switches
Manufacturing
Manufacturing processes
- Rolling
- Extrusion
- Forging