CZ106 / CW505L / Cartridge Brass
The CW505L / CZ106 is an alpha brass sometimes referred to as cartridge brass, with an approximate zinc content of 30% with the balance of the composition being copper.
CW505L / CZ106 exhibits an excellent combination of strength and ductility for the alpha phase brasses. This grade is used for its outstanding deep drawing properties and excellent cold workability.
Related Specifications
| CW505L | CZ106 |
| C26000 | CuZn30 |
Chemical Composition
| Copper | 68.5-71.5% |
| Lead | 0.05% max |
| Iron | 0.05% max |
| Zinc | Rem |
| Others | 0.30% max |
Key Features
- Superb cold forming properties
- Excellent deep drawing characteristics
- Good corrosion resistance
- Optimum combination of strength and ductility for alpha brasses
CZ106 CW505L Cartridge Brass
Typical Physical Properties
| Melting Point | 965°C |
| Density | 8.55 g/cm³ |
| Specific Heat | 380 J/Kg°K |
| Thermal conductivity (RT) | 121 W/m°K |
| Thermal expansion coefficient (20-200°C) | 19 x 10-6 / °C |
| Electrical conductivity | 28 % IACS |
| Electrical Resistivity | 0.062 ohm mm2/m |
Fabrication Properties
| Hot Working Temperature Range | 750-870°C |
| Hot Formability | Fair |
| Cold Formability | Excellent |
| Cold Reduction Between Anneals | 90% |
| Machinability rating
(free cutting brass = 100) |
30 % |
| Annealing Temp. Range | 450-680°C |
| Stress Relieving Temp. Range | 250-350°C |
Joining Methods
| Soldering | Excellent |
| Brazing | Excellent |
| Oxy-acetylene welding | Good |
| Gas-shielded arc welding | Fair |
| Resistance welding: Spot and Seam | Fair |
| Butt | Good |
Typical Uses:
The CW501L / CZ106 is used for a variety of components including lamp caps and lamp-holder components, heat exchanger tubes handling fresh clean water, chains, eyelets, fastenings, hinges, locks, fingerplates, fire extinguisher bodies, sugar evaporators and juice heaters in chemical processing and a wide variety of deep drawn or spun components and general industrial pressings.
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