1. Chemical composition of CW713R

according to DIN EN 13388 (in % of mass)

Cu Zn Pb Ni Fe Sn Al Mn Comment Other elements
57,0- Rest 0,2- 1,0 1,0 0,40 1,3- 1,5- 0,3-1,3% Si 0,30
59,0 0,8 23 3,0

2. Mechanical properties of CW713R

according to DIN EN 12449 tubes, 12164/12167/12168 profiles/rods (common condition)

Condition  Nominal thickness Tensile strength Yield strength Ultimate elongation 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
R540/H130* max. 80 540 280 – – 15 130-170
R590/H150* max. 50 590 370 – 5 10 150-220
Physical properties
General properties
(Guide values for 20° C)
Density of g/cm3 8,12 Resistance to:
Solidification range ° C 875-910 – organic material 2
Electrical conductivity MS/m 7,8 – neutral / alkaline compounds 2
Thermal conductivity W/(mK) 63 Formability
Therm. linear expansion- – Warm 1
coeffizient 10-6/K 20,4 – Cold 5
Modulus of elasticity N/mm2 93.000
Connection works Surface treatment
– Gas-shielded welding 2 Mechanical polishing 2
– Gas welding 3 Electrolytic polishing 5
– Resistance welding (blunt) 2 Electroplating 3
– Hard soldering 5
– Soft soldering 5
Machinability
Generally 3

3. Main application / Special features of CW713R:

This alloy is characterized by high wear resistance and good hot formability. CW713R is mainly used in the machine building and automotive sectors

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