CW021A (Cu-HCP – 2.0070)

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

1. Chemical composition of CW021A

according to DIN EN 13388 (in % of mass)

Cu Bi P Pb Comment Other elements
min 0,0005 0,002- 0,005 0,03
99,95 0,007

2. mechanische Eigenschaften of CW021A

according to DIN EN 13599 Sheets/plates, 13600/13601 Rods/Profiles, 1977/13605 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 / D all as manufactured – without specification of mechanical values
R200/H040* max. 40 200 120 25 35 35-65
R220/H040* max. 10 220 260 140 33 42 40-65
R240/H065* max. 40 230 160 18 65-90
R250/H070* max. 10 240 300 180 8 15 65-95
R290/H090* max. 10 290 360 250 4 6 90-110
Physical properties General properties
(Guide values for 20° C)
Density of g/cm3 8,94 Resistance to:
olidification range ° C 1083 – organic materials 2
Electrical conductivity MS/m > 57 – neutral / alkaline compounds
Thermal conductivity W/(mK) > 385 Formability
Therm. linear expansion- – Warm 3
Coeffizient 10-6/K 17,7 – Cold 1
Modulus of elasticity N/mm2 127.000
Connection works  Surface treatment
– Gas-shielded welding 1 Mechanical polishing 2
– Gas welding 2 Electrolytic polishing 1
– Resistance welding (blunt) 3 Electroplating 1
– Hard soldering 1
– Soft soldering 1
Machinability
Generally 5

3. Main application / Special features of CW021A:

CW021A is mainly used for components in electrical engineering and electronics (cable tapes, welded cables) as well as for cladding materials.
* The maximum available nominal size of each condition depends on the required shape.

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