Bronze alloy CuNi3Si / CW112C

Bronze Alloy CuNi3Si / CW112C

General Characteristics

Bronze alloy CuNi3Si (CW112C) is a high-performance copper-nickel-silicon alloy known for its excellent mechanical properties, wear resistance, and high electrical conductivity. It is widely used in electrical, marine, and mechanical engineering applications.

Chemical Composition (%)

The main elements in the composition of CuNi3Si alloy:

• Copper (Cu): Balance
• Nickel (Ni): 2.50 – 3.50
• Silicon (Si): 0.50 – 1.20
• Iron (Fe): ≤ 0.30
• Manganese (Mn): ≤ 0.50
• Phosphorus (P): ≤ 0.01
• Zinc (Zn): ≤ 0.20

Mechanical Properties

• Hardness: 150-250 HB
• Tensile strength: up to 650 MPa
• Yield strength: up to 300 MPa
• Elongation: 10-20%
• Excellent resistance to wear and fatigue

Key Advantages

✅ High strength and durability ✅ Excellent wear and fatigue resistance ✅ Superior electrical and thermal conductivity ✅ Good corrosion resistance, particularly in marine environments ✅ Good machinability and workability

Applications

🔹 Electrical and electronic components 🔹 Marine engineering and shipbuilding 🔹 Bearings and bushings 🔹 High-performance mechanical parts 🔹 Aerospace and automotive industries

Delivery Forms of CuNi3Si / CW112C Bronze Alloy