CW618N

Chemical composition (%) DIN EN 12167

CuZn40Pb2AL Brass for architectural sections is Good bright yellow color for architectural profiles. The higher the zinc content the more complex the profiles achievable Generally supplied as extruded / as manufactured.

Physical properties

At room temperature

Density

8.4 g/cm3

Electrical conductivity

15.9 MS/m

 

26 % I.A.C.S

Heat conductivity

100-234 W/(m*K)

Heat capacity

371-418  J/(kg*K)

Melting range

880-895ºC

 

Shapping

Machinability 

Good

Cold working

Good

Hot working

Good

Hot working temperature

650-800ºC

 

Heat Treatment

Soft annealing 

450-650ºC

Stress relieving

200-300ºC

 

Connecting

Resistance welding  butt

Good

Brazing

Good

 

Surface treatment

Mechanical polishing

Good

Electrolytic polishing 

Poor