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Innovative conductor material
for low current and signal cables
Copper Clad Steel – FLCCSRY
Bending Test
Benefits of copper clad steel
Compared to copper conductors
Compared to steel conductors
✔ higher mechanical strength
due to steel core
✔ reduction of cross-section of
up to three gauge sizes due to
higher tensile strength of CCS
i.e. 0.35 mm² ➔ 0.13 mm²
✔ smaller package size
✔ similar crimping characteristics
✔ better corrosion resistance than
steel due to copper surface
✔ lower resistance due to high
conductivity of copper covering
Benefits of Copper Clad Steel
CCS
Cu-ETP
density (at 20 °C) 8.24 g/cm
3
8.92 g/cm
3
electrical
conductivity 40 %, IACS 100 %, IACS
tensile strength
*
> 770 N/mm
2
> 220 N/mm
2
elongation
at break
*
> 1 % > 16 %
Comparison table – cable types
*
FLCCSRY FLRY Ratio
cross-section 0.13 mm
2
0.35 mm
2
63 % reduction
tensile force
>130 N >75 N 73 % increase
max. electrical
resistance at 20 °C
317 Ω/km
**
54.4 Ω/km
**
482 % increase
**
outer diameter
1.05 mm 1.30 mm 20 % reduction
approx.
cable weight
2.0 kg/km 4.5 kg/km 55 % reduction
* Values based on soft annealed ETP-copper and hard-drawn
CCS.
* Due to the mechanical benets over copper 0.35 mm² the adequate CCS cross-section is
0.13 mm².
** Due to resistance increase CCS can only be used in low current or signal applications.
Material
Copper Clad Steel consists of a core of homo-
geneous steel surrounded by a continuous
cladding of copper
Applicable material standard
ASTM B 227, ASTM B 228, ASTM B 452
Usage in automotive industry
Coaxial cables, low current and signal cables
Usage in industry
Telecommunication, utility grounding,
military and electronics
09.
2016
/
en_200
0
2000
4000
6000
8000
amount of cycles
CU-ETP1
(soft-annealed) 0.35mm²
✖
CCS 40% 0.13mm²
✖
material