CZ106

CZ106 is a brass alloy equivalent to CW505L, commonly known as Cartridge Brass. It is characterised by a copper content of about 69-71% with zinc as the balance. This alloy is renowned for its excellent cold forming capabilities, making it a preferred choice for deep drawing and other forming processes.

Key Details of CZ106 (CW505L)

• Chemical Composition:

  • Copper (Cu): 69.00% – 71.00%

  • Zinc (Zn): Balance (~29-31%)

  • Minor elements include Nickel, Tin, Lead, and aluminium in trace amounts for enhanced properties

• Mechanical Properties:

  • Tensile Strength: 270 – 480 MPa depending on temper

  • Elongation: 9% – 50% varying by temper and thickness

  • Hardness: Vickers hardness between 55 and 155 HV

• Physical Properties:

  • Density: 8.55 g/cm³

  • Melting Point: About 965°C

  • Electrical Conductivity: Around 28% IACS

  • Thermal Conductivity: Approx 121 W/m·K

  • Thermal Expansion Coefficient: 19 x 10⁻⁶ /K

• Fabrication and Uses:

  • Excellent for cold working, deep drawing, and forming

  • Used extensively in manufacturing electrical fittings, heat exchangers, fasteners, and decorative hardware

  • Good corrosion resistance and moderate machinability

  • Suitable for brazing, soldering, and some welding techniques