1. Chemical composition of CW103C

according to DIN EN 13388 (in % of mass)

Cu Be Co Fe Ni Comment Other Elements
Rest 0,4- 0,8- 0,20 0,8- – 0,50
0,7 1,3 1,3

2. mechanical properties of CW103C

according to DIN EN 1652 sheets/plates, 12163/12167 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 alle  as manufactured – without specification of mechanical values
R240/H060* max. 15 240 – – 220 20 – 20 60-130
R680/H220* max. 100 680 – 550 – – – 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 8,8 Resistance to:
Solidification range ° C k.A. – organic materials k.A.
Electrical conductivity MS/m 25 – neutral / alkaline compounds k.A.
Thermal conductivity W/(mK) ~210  Formability
Therm. linear expansion- – Warm k.A.
Coeffizient 10-6/K 17,0 – Cold k.A.
Modulus of elasticity N/mm2 135.000
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 CW103C:

CW103C is the preferred electrode material for various welding processes, especially for stainless steels.
* The maximum available nominal size of each condition depends on the required shape.