Also called Copper Coated Steel Welding Wire
- Base Material: Usually low carbon or high carbon steel.
- Coating Thickness: Expressed as a percentage of copper by weight (e.g., 20%, 30%, 40%) or as a minimum thickness in microns. A higher percentage means better conductivity and corrosion resistance.
- Tensile Strength: Ranges from soft (annealed) to very high strength (drawn hard). Measured in MPa or N/mm².
- Diameter: Available in a wide range, from very fine (less than 1mm) to several millimeters thick.
Advantages vs. Disadvantages
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Advantages |
Disadvantages |
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High strength-to-weight ratio |
Lower electrical conductivity than pure copper |
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More affordable than pure copper |
Potential for galvanic corrosion in certain environments |
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Good solderability and corrosion resistance |
The coating can wear or be damaged during harsh handling or bending, exposing the steel core. |
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Excellent adhesion to rubber |
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