Bronze Alloy CuCrCd / UNS C18135
The CuCrCd / UNS C18135 bronze alloy is a high-performance copper-chromium-cadmium alloy known for its excellent electrical conductivity, high wear resistance, and mechanical strength. It is widely used in the electrical and energy industries where a combination of high conductivity and durability is required.
Key Advantages of CuCrCd
✔ High Electrical Conductivity – ensures efficient current transmission with low resistance. ✔ Overheat Resistance – stable performance under high temperatures. ✔ Exceptional Wear Resistance – withstands intense mechanical loads. ✔ Corrosion Resistance – long-lasting durability in aggressive industrial environments.
Chemical Composition (%):
| Element | Content |
|---|---|
| Chromium (Cr) | 0.5–1.2 |
| Cadmium (Cd) | 0.1–0.3 |
| Copper (Cu) | Remainder |
Mechanical Properties:
| Property | Value |
|---|---|
| Tensile Strength (MPa) | 350–550 |
| Yield Strength (MPa) | 250–450 |
| Elongation (%) | 8–15 |
| Hardness (HBW) | 120–180 |
| Elastic Modulus (GPa) | 110–130 |
Physical Properties:
| Property | Value |
|---|---|
| Density (g/cm³) | 8.89 |
| Melting Temperature (°C) | 1075–1100 |
| Thermal Conductivity (W/(m·K)) | 320–350 |
| Electrical Conductivity (% IACS) | 75–85 |
Main Applications
🔹 Energy Sector – high-voltage switch contacts, electrical connectors. 🔹 Electrical Industry – conductive elements, busbars, connectors. 🔹 Aerospace & Automotive – heat-resistant components, power elements. 🔹 Welding Equipment – electrodes, contact parts for spot welding.
Delivery Forms CuCrCd / UNS C18135 Bronze Alloy
| CuCrCd bronze alloy / UNS C18135 | tape, strip, rod, pipe, wire |
