CW605N

CW605N is a ductile free-machining brass alloy with good machinability, bending, and cold heading properties. It is suitable for applications such as bicycle spoke nipples and other components that require moderate strength and excellent machinability.

Chemical Composition

• Copper (Cu): Approximately 61 – 64%

• Zinc (Zn): Balance (around 35 – 37%)

• Lead (Pb): 0.8 – 1.2%

• Minor elements (Fe, Sn, etc.): Present in trace amounts

Mechanical Properties

• Tensile Strength: Typically around 350 – 400 MPa

• Elongation: Moderate (usually above 15%)

• Hardness: Good (exact values vary based on temper)

Physical Properties

• Density: Approximately 8.4 g/cm³

• Melting Range: Around 900 – 1100°C

• Machinability: High, suitable for extensive machining operations

Fabrication and Applications

• Good machinability (free-machining brass)

• Excellent bending and cold heading capabilities

• Suitable for precision formed and machined parts such as bicycle spoke nipples

• Used in general engineering, automotive, and decorative parts