CW111C (CuNi2Si – 2.0855)

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

1. Chemical composition of CW111C

according to DIN EN 13388 (in % of mass)

Cu Mn Fe Ni Pb Si Comment Other Elements
Rest 0,10 0,20 1,6- 0,02 0,4- 0,50
2,5 0,8

2. Mechanical properties of CW111C

according to DIN EN 1652 sheets/plates, 12163/12164/12167 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 all  as manufactured – without specification of mechanical values
R550/H150* max. 80 550 430 15 150-190
R640/H180* max. 30 640 590 3 8 180-230
Physical properties General properties
(Guide values for 20° C)
Density of g/cm3 8,78 Resistance to:
Solidification range ° C n.a – organic materials n.a
Electrical conductivity MS/m 26 – neutral / alkaline compounds n.a
Thermal conductivity W/(mK) 160 Formability
Therm. linear expansion- – Warm n.a
coeffizient 10-6/K 16 – Cold n.a
Modulus of elasticity N/mm2 140.000
Connection works Surface treatment
– Gas-shielded welding n.a Mechanical polishing 2
– Gas welding n.a Electrolytic polishing 2
– Resistance welding (blunt)) n.a Electroplating
– Hard solderingn.a
– WSoft soldering n.a
Machinability
Generally 4-5

3. Main application / Special features of CW111C:

CW111C is frequently used for pistons in cold chamber die casting machines, electrode holders for resistance welding, nozzles for submerged arc welding systems, as well as ejector pins in plastic mould making.
* The maximum available nominal size of each condition depends on the required mould.

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