1. Chemical composition of CW710R

according to DIN EN 13388 (in % of mass)

Cu Zn Pb Ni Fe Sn Al Mn Comment Other elements
58,0- Rest 0,2- 2,0- 0,50 0,50 0,3- 1,5- 0,1% Si 0,30
60,0 0,8 3,0 1,3 2,5

2. Mechanical properties of CW710R

according to DIN EN 12449 tubes, 12163/12167 profiles/rods (common condition)

Condition Nominal thickness Tensile strength 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
M all as manufactured – without specification of mechanical values
R490/H120* max. 40 490 290 – – 18 120-160
Physical properties  General properties
(Guide values for 20° C)
Density of g/cm3 8,28 Resistance to
Solidification range ° C 870900 – organic materials 1
Electrical conductivity MS/m 5,9 – neutral / alkaline compounds 1
Thermal conductivity W/(mK) 50 Formability
Therm. linear expansion- – Warm 2
coeffizient 10-6/K 2037 – Cold 5
Modulus of elasticity N/mm2 93.000
Connection works Surface treatment
– Gas-shielded welding 3  Mechanical polishing 1
– Gas welding 3 Electrolytic polishing 5
– Resistance welding (blunt) 2 Electroplating 3
– Hard soldering 3
– Soft soldering 3
Machinability
Generally 3

3. Main application / Special features of CW710R:

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