CuNi18Zn18 / 2.0730 / NS 106 Bronze Alloy

Delivery Forms of CuNi18Zn18 / NS 106 Bronze Alloy

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.