1. Chemical composition of CW502L

according to DIN EN 13388 (in % of mass)

Cu Zn Pb Ni Fe Sn Al Comment Other elements
84,0- Rest 0,05 0,30 0,05 0,10 0,02 0,10
86,0

2. Mechanical properties of CW502L

according to DIN EN 1652 sheets/plates, 12449 tubes, 12163/12167 profiles/rods, 12166 wires (common condition)

Condition NNominal thickness Tensile strength Dehngrenze Yield strength Rigor
in mm Rm in MPa Rp0,2 in MPa in % (min.) HBS
over up to min max min max A50 A
A100
R300/H085* max. 5 300 370 150 16 25 85-115
R350/H105* max. 5 350 420 250 4 12 105-135
Physical properties
General properties
(Guide values for 20° C)
Density of g/cm3 8,75 Resistance to:
Solidification range ° C 1005-1025 – organic materials 2
Electrical conductivity MS/m 21,0 – neutral / alkaline compounds 2
Thermal conductivity W/(mK) 159 Formability
Therm. linear expansion- – Warm 2
coeffizient 10-6/K 18,7 – Cold 1
Modulus of elasticity N/mm2 122.000 Surface treatment
– Gas-shielded welding 2 Mechanical polishing 1
– Gas welding 2 Electrolytic polishing 1
– Resistance welding (blunt) 4 Electroplating
– Hard soldering 1
– Soft soldering 1
Machinability
Generally 4

3. Main application / Special features of CW502L:

The alloy is used for architectural, stamped and deep-drawn parts. It is also used in the manufacture of jewellery, cosmetics packaging and components in electrical engineering and mechanical engineering.

* The maximum nominal size available for each condition depends on the shape required.