We're looking at CCA wire in diameters from 0.07mm up to 3mm, with copper content options at 10%, 15%, or 20% by volume—basically, you choose how much conductivity you need versus how light you want it. It's pretty much always in demand for coaxial cables and power transmission because the copper cladding gives you that surfce conductivity, and the aluminun core keeps weight down.

Most buyers go with the annealed 15A variant for electronic components where flexibility matters, but hard drawn is better when you need higher tensile strength at 110-207 MPa. It's not suited for high-frequency signal lines where pure copper is still the standard, so know your applicaion before ordering. Resistivity sits at 0.0259 to 0.0274 Ω·mm²/m at 20°C, which is usually good enough for general power work.

Elongation ranges from 1% to 15%, and that number matters if you're doing any crimping or bending post-installation. One thing we get asked a lot is about density—it's 3.32 to 3.94 g/cm³ depending on the copper content, so don't assume all spools weigh the same. The MOQ is typically 100kg or so, but our company can do smaller runs for sample testing.

ISO9001 and CE certified, plus RoHS compliant, so you're covered for most import requrement. We usually have stock on the 0.5mm and 1mm diameters in annealed state, but if you need hard drawn or an odd size like 0.07mm, confirm lead time—sometimes it's 20 days or so. Also, we ship with COAs for every batch, no extra charge.
We offer three options: 10%, 15%, and 20% copper by volume. The 20% gives you higher conductivity, while 10% is more cost-effective for less demanding applications.
Typical lead time is 2-3 weeks for diameters within our standard range. For large quantities or custom specs, we might need an extra week—just check with us on your specific volume.
Yes, all our CCA wire is certified to ISO9001, CE, and RoHS standards. We can provide copies of the certificates upon request.
Annealed wire is softer and more flexible, with tensile strength around 110-140 MPa, while hard drawn is stiffer and stronger, up to 207 MPa. Pick annealed for soldering and bending; hard drawn for structural support.
We can customize diameters down to 0.05mm or up to 4mm, but that may affect lead time and MOQ. Just let us know your exact requirement.
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