Chromium Zirconium Copper (CuCrZr)
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Copper Alloy
Chromium zirconium copper (CuCrZr) is a copper alloy primarily composed of copper, chromium (Cr), and zirconium (Zr). This alloy offers excellent conductivity, thermal conductivity, strength, and corrosion resistance, making it ideal for high-temperature, high-conductivity, and wear-resistant applications.
- Provides higher strength and hardness than pure copper and other copper alloys, making it suitable for high-load and high-impact environments
- Retains excellent electrical conductivity due to its high copper content
- Outstanding high-temperature performance, particularly effective in applications that involve thermal shock
- The addition of chromium and zirconium enhances the alloy’s oxidation resistance, preventing oxidation at high temperatures
- Demonstrates strong corrosion resistance, especially in high-temperature and high-humidity conditions
- Can be processed with conventional machining methods, allowing for the manufacturing of complex-shaped parts without easy cracking during processing
Specifications
| Chromium Zirconium Copper Plate/Sheet | |
| Thickness | 1mm-100mm |
| Width | 50mm-1000mm |
| Length | 1000mm-3000mm,or customizable |
| Chromium Zirconium Copper Rod | |
| Diameter | 5mm-300mm |
| Length | 500mm-6000mm |
| Chromium Zirconium Copper Tube | |
| Outer Diameter | 10mm-200mm |
| Wall Thickness | 1mm-30mm |
| Length | ≤ 6000mm |
| Chromium Zirconium Copper Wire | |
| Diameter | 0.1mm-10mm |
| Delivery Forms | Coiled wire or straight wire |
| Mold | |
| Size | Customizable (commonly used for customizing resistance welding mold) |
Chemical Composition
| Aluminum (Al) | Magnesium (Mg) | Chromium (Cr) | Zirconium (Zr) | Iron (Fe) | Silicon (Si) | Phosphorus (P) | Impurities |
| 0.1-0.25 | 0.1-0.25 | 0.1-0.8 | 0.1-0.6 | 0.5 | 0.5 | 0.1 | 0.5 |
Physical Properties
| Density (g/cm³) | Tensile Strength | Melting Point | Hardness | Elongation at Break | Electrical Conductivity | Thermal Conductivity | Coefficient of Thermal Expansion |
| N/mm² | °C | HV | % | % IACS (20℃) | W/m.k (20℃) | ||
| 8.9 | ≥ 380 | 1083 | 110-145 | ≥ 15 | ≥ 75 | 330 | 16.6×10⁻⁶/K (20°C-300°C) |
Mechanical Properties
| Tensile Strength | Annealed state | ≥ 250 MPa |
| After aging treatment | 400-550 MPa | |
| Yield Strength | After aging treatment | ≥ 300 MPa |
| Elongation at Break | After aging treatment | 10%-20% |
| Hardness | After aging treatment | 110-150 HV |
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