Bronze alloy CuNi18Zn18 / NS 106

Bronze Alloy CuNi18Zn18 / NS 106

The CuNi18Zn18 / NS 106 alloy is a high-quality copper-nickel-zinc material that combines strength, resistance to aggressive environments, and excellent plasticity. Due to these characteristics, it is widely used in various industrial and decorative applications.

Key Advantages

✔ Corrosion Resistance – Highly resistant to seawater and industrial environments. ✔ High Mechanical Strength – Capable of withstanding significant loads. ✔ Excellent Plasticity – Easily machinable and formable. ✔ Aesthetic Appeal – Suitable for decorative applications. ✔ Good Electrical Conductivity – Used in electrical components.

Chemical Composition

• Copper (Cu): 58–62%
• Nickel (Ni): 16–19%
• Zinc (Zn): 16–20%
• Iron (Fe): ≤ 0.5%

Mechanical Properties

• Tensile Strength: 400–600 MPa
• Yield Strength: 150–350 MPa
• Elongation: 20–35%
• Hardness: 120–170 HBW
• Elastic Modulus: 110–135 GPa

Physical Properties

• Density: 8.4–8.7 g/cm³
• Melting Temperature: 1090–1140°C
• Thermal Conductivity: 35–55 W/(m·K)
• Electrical Conductivity: 12–18% IACS

Applications

🔹 Shipbuilding – Propellers, hull coatings, pipelines. 🔹 Electrical Engineering – Connectors, contacts, conductors. 🔹 Mechanical Engineering – Bearings, valves, pipeline components. 🔹 Decorative & Jewelry Industry – Medals, interior elements, accessories.

Conclusion

The CuNi18Zn18 / NS 106 bronze alloy offers a balance of strength, corrosion resistance, and ease of machining. It is an ideal choice for applications in the marine, electrical, and mechanical industries, as well as decorative manufacturing.

Delivery Forms of CuNi18Zn18 / NS 106 Bronze Alloy