Cartridge Brass - Copper 260

2026-02-13      

Cartridge brass, or Copper 260 as it is sometimes known, is a popular material for CNC machining due to its strength and excellent machinability. It is corrosion-resistant and has superior electrical conductivity, making it ideal for automotive components, electronic hardware, and many other applications. With its impressive strength, high heat resistance, and good machinability, Copper 260 is an excellent choice for precision CNC parts.

Tensile Strength: 427 MPa, 62,000 psi

Yield Strength: 358 MPa, 52,000 psi

Shear Modulus: 40 GPa

Elongation at Break: 23 %

Hardness (Brinell): 60

Density: 8.53 g/cm³, 0.308 lb/in³

Maximum Temp: 915 – 955 °C, 1680 – 1750 °F