CZ106 / CW505L / Cartridge Brass

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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

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.

This technical information is given by Holme Dodsworth Metals without charge and the user shall employ such information at their own discretion and risk. For more detailed technical advice on temper selection, fabrication, joining, machining, physical and mechanical data please contact us as space does not permit the listing of every feature of the material.

 

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Holme Dodsworth Metals Limited.
59/69 Heaton Park Road.
Newcastle Upon Tyne NE6 1SQ
Registered in England. Company No. 00842702