CW104C (CuCo2Be – 2.1285)

Stand: September 2018 - Quelle: DIN EN 1652/13148/13599/14436/13600/13601/1977/13602/13605

1. Chemical composition of CW104C

according to DIN EN 13388 (in % of mass)

Cu Be Co Fe Ni Comment Other elements
Rest 0,4- 2,0- 0,20 0,30 0,50
0,7 2,8

2. Mechanical properties of CW104C

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

Condition Nominal thickness Tensile strength Yield strength Ultimate elongation Rigor
in mm Rm in MPa Rp0,2 in MPa in % (min.) HB
over up to min max min max A50 A100 A
M all as manufactured – without specification of mechanical values
R240/H060* max. 15 240 220 20 20 60-130
R680/H220* max. 100 680 550 6 10 220-270
R730/H230* max. 60 730 610 2 8 230-310
Physical properties General properties
(Guide values for 20° C)
Density of g/cm3 8,75 Resistance to:
Solidification range ° C k.A. – organic materials k.A.
Electrical conductivity MS/m 26 – neutral / alkaline compounds k.A.
Thermal conductivity W/(mK) 208 Formability
Therm. linear expansion- – Warm k.A.
Coeffizient 10-6/K 17,0 – Cold k.A.
Modulus of elasticity N/mm2 130.000
Connection works Surface treatment
– Gas-shielded welding k.A. Mechanical polishing k.A.
– Gas welding k.A. Electrolytic polishing k.A.
– Resistance welding (blunt) k.A. Electroplating k.A.
– Hard soldering k.A.
– Soft soldering k.A.
Machinability
Generally 4

3. Main application / Special features of CW104C:

CW104C is mainly used for spot welding electrodes, grid welding electrodes, electrode holders and roller seam electrodes for stainless steel and nickel alloys.
* The maximum available nominal size of each condition depends on the shape required.

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