Bronze Alloy CuNi15Zn20 / NS 105
The CuNi15Zn20 / NS 105 bronze alloy is a copper-nickel-zinc material that combines excellent mechanical strength, corrosion resistance, and an attractive appearance. Due to these properties, it is widely used in shipbuilding, electrical engineering, and decorative applications.
Key Features of CuNi15Zn20
- High Corrosion Resistance – effectively withstands seawater and aggressive environments.
- Good Electrical Conductivity – suitable for electrical applications.
- High Plasticity – allows easy machining and forming.
- Wear Resistance – maintains properties even in harsh operating conditions.
- Aesthetic Appeal – has a characteristic metallic luster and is used for decorative elements.
Chemical Composition (%):
| Element | Content |
|---|---|
| Copper (Cu) | 60–65 |
| Nickel (Ni) | 13–17 |
| Zinc (Zn) | 18–22 |
| Iron (Fe) | ≤ 0.5 |
Mechanical Properties:
| Property | Value |
|---|---|
| Tensile Strength (MPa) | 350–550 |
| Yield Strength (MPa) | 120–300 |
| Elongation (%) | 25–40 |
| Hardness (HBW) | 100–160 |
| Elastic Modulus (GPa) | 110–130 |
Physical Properties:
| Property | Value |
|---|---|
| Density (g/cm³) | 8.5–8.8 |
| Melting Temperature (°C) | 1100–1150 |
| Thermal Conductivity (W/(m·K)) | 30–50 |
| Electrical Conductivity (% IACS) | 10–15 |
Applications
🔹 Shipbuilding – propellers, pipelines, hull cladding. 🔹 Electrical Engineering – contacts, conductive parts, terminals. 🔹 Mechanical Engineering – sliding bearings, valves, couplings. 🔹 Decorative Items – medals, accessories, artistic casting.
Conclusion
CuNi15Zn20 / NS 105 is an optimal choice for applications requiring corrosion resistance, durability, and an appealing appearance. Its versatility makes it highly demanded across various industries.
Delivery Forms of CuNi15Zn20 / NS 105 Bronze Alloy
| CuNi15Zn20 bronze alloy / NS 105 | tape, strip, rod, pipe, wire |
