CuCr1 / 2.1211 / CW105C Bronze Alloy

Delivery forms for Bronze alloy CuCr1 / CW105C / BrX

Bronze Alloy CuCr1 / CW105C / BrX

The CuCr1 / CW105C / BrX bronze alloy is a copper-chromium alloy with excellent electrical conductivity and high mechanical strength. It is widely used in electrical engineering, mechanical engineering, and the energy sector due to its durability, wear resistance, and thermal stability.

Key Features

🔹 High Electrical Conductivity – ensures efficient current transmission. 🔹 Excellent Strength – durable and wear-resistant. 🔹 Corrosion Resistance – maintains properties in industrial environments. 🔹 High Thermal Conductivity – suitable for high-temperature applications.

Chemical Composition

• Chromium (Cr): 0.6–1.2%
• Copper (Cu): remainder

Mechanical Properties

• Tensile Strength: 300–500 MPa
• Yield Strength: 200–400 MPa
• Elongation: 10–20%
• Hardness: 100–160 HBW
• Elastic Modulus: 110–130 GPa

Physical Properties

• Density: 8.89 g/cm³
• Melting Temperature: 1080–1120°C
• Thermal Conductivity: 320 W/(m·K)
• Electrical Conductivity: 75–85% IACS

Applications

✅ Electrical Engineering – high-voltage contacts, conductive busbars. ✅ Energy Sector – transformer components, electrical switches. ✅ Mechanical Engineering – parts requiring strength and conductivity. ✅ Welding Equipment – electrodes, components for spot welding.

This alloy is an optimal choice for high-load applications where a combination of electrical conductivity and mechanical strength is required.