Copper Tin Alloy Wire (CuSn)
Ranging from 0.08mm to 6mm
Steel conductor with a thin copper coating
Copper-clad steel (CCS) wire is a composite conductor with a steel core and an outer copper layer, combining the conductivity of copper with the mechanical strength of steel. This design leverages the skin effect, where high-frequency electrical signals travel along the conductor’s surface, ensuring effective signal transmission as long as the copper layer is sufficiently thick.
We manufacture CCS wires using two main manufacturing techniques:
- Electroplating: where copper is uniformly deposited onto the steel core through an electrochemical process.
- Cladding: where copper tape is continuously wrapped around the steel core, creating a strong bond.
Our CCS wire meets ASTM B452 standards and is available in diameters from 0.06mm to 12mm, with conductivity levels ranging from 15% to 40% IACS. The tensile strength can be adjusted by selecting low, medium, or high-carbon steel, depending on application needs. Additional processing, such as annealing, stranding, and plating, allows for further customization.
- Central conductor in communication cables
- Shielding braids in telecom cables
- Lead wires for electronic components
- Stranded grounding wires and overhead railway electrification systems
- Decorative or corrosion-resistant wiring for specialized applications
| Wire Type (strands/mm) | Min. Elongation (%) | Min. Tensile Strength (N/mm²) | Diameter (mm) | Direction of Lay | Length of Lay (mm) | DC Resistance at 20℃ (Ω/Km) |
| 1 | 750 | 0.480±0.015 | S | 10-14 | ≤317 | |
| 1 | 750 | 0.54±0.02 | S | 7-9 | ≤250 | |
| 1 | 750 | 0.61±0.03 | S | 10-14 | ≤203 | |
| 1 | 750 | 0.91±0.05 | S | 10-14 | ≤87.8 | |
| 1 | 770 | 0.92±0.04 | S | 18-22 | ≤94 |
| Wire Drawing | Wire Stranding/Multi-Wire Processing | Wire Plating |
| Can be drawn down to 0.02mm | Stranded Wires, Parallel Multi Wires | Bare Wire, Tin Plating, Silver Plating, Nickel Plating, Copper Plating Enameling: Polyurethane QA(UEW), 155/180℃ Polyester QZ(PEW), 130/155℃ Polyesterimide QZY(EIW), 180℃ Polyamideimide QXY(AIW), 200/220℃ |
- Lighter than solid copper while maintaining high tensile strength, which makes it a cost-efficient alternative.
- Suitable for applications requiring both electrical conductivity and mechanical durability.
