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Home » Products » Copper Coated Aluminium Magnesium Wire

Copper Coated Aluminium Magnesium Wire

Copper-coated aluminiurn magnesium wire, commonly abbreviated as CCAMW or CCAM, is an electrical conductor composed of an inner aluminium core and outer copper coating.

Diameter 0.12 mm - 2.05 mm"
USES The primary applications of this conductor revolve around weight reduction requirements. These applications include high-quality coils, such as the voice coils in headphones, or portable loud speakers; high frequency coaxial applications; such as RF antennas; CATV distribution cables; and power cables. CCAM is also being used in electrical wiring for buildings. The copper/aluminium construction was adopted to avoid some of the problems with aluminium wire, yet retain some of the cost advantage.
CCAM became extremely popular in emerging markets as a cheap replacement for copper category 5e twisted pair cables.

The properties of copper-coated aluminium wire include:
  • Lighter than pure copper
  • Higher electrical conductivity than pure aluminium
  • Higher strength than aluminium
  • Better solderability than aluminium, due to the lack of the oxide layer which prevents solder adhesion when soldering bare aluminium.
  • Less expensive than a pure copper wire

Skin Effect:
The skin effect causes alternating current to concentrate on the more-conductive copper coating of the conductor, causing the resistance of the wire to approach that of a pure copper wire at high frequencies, which rnakes the copper-coated alurninium wire a good fit for such applications. The skin effect is also utilized in copper-coated steel wire such as RG-6 coax, which is also commonly used in high frequency applications with high strength requirements.

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Copper Coated Aluminium Magnesium Wire

Copper Coated Steel Wire

Copper Coated Steel Wire, commonly abbreviated as CCS is an electrical conductor composed clan inner mild steel core wire and outer copper coating.

Diameter 0.71 mm - 2.25 mm."

  • High intensity: is 2 times than pure copper wire that is if the tensile strength. of pure copper wire is about 215 to 265, then CCS can reach 430 to 530.
  • Light weight: lighter 13% than pure copper wire. Under the same wire size and weight, its length is 1.13 times than that of pure copper wire. So buying 1 ton. CCS wire is the same as buying 1.13 tons pure copper wire.
  • Saving cost: CCS wire price is just 35% of that of pure copper wire and its appearance quality is the same with pure copper wire.
  • Reducing greatly the production cost while guaranteeing the same quality as well as pure copper wire.

Main Properties:
  • Good corrosion resistance of copper
  • High tensile strength of steel
  • Much lower impedance at high frequencies than that of steel wire alone

  • Inner conductor of terminal CATV coaxial cable
  • Conductive cord of user communication cable for double conductor telephones.
  • Plug-ins for electronic components.
  • Conductive cord of field wires.
  • Overhead system for power transmission and telephone lines.
  • Overhead-contact systems for railway and Light Rail Transit.
  • Braided shield wire of power cable.

Dia (mm) "Copper Conductivity (%)" "DC Resistance at 20°C 1 (Ohm/Km)"
0.835 0.26 121
1.05 0.16 124.3
1.05 0.18 110.5
1.05 0.21 94.7
1.85 0.26 24.6
2.25 0.21 20.6

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Copper Coated Steel Wire

** These are regular sizes that we manufacture. Besides them, we can custom made different sizes and finishes as per the customers’ requirement.

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