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The density and resistivity numbers are the ones that actually sold me — 2.70 kg/dm³ and 0.0326 Ω·mm²/m at 20°C respectively — because they confirm you're getting the right alloy balance for minimal power loss compared to something like standard ACSR. Basically, the aluminum-magnesium-silicon mix eliminates the steel core's inductive drag, so efficiency improves noticeably on longer runs, especially in medium voltage distribution where every fraction of a percent matters. We usually have stock, but confirm lead time for bulk orders (usually 2-4 weeks for anything over 500kg).
What it does is combine good sag characteristics with better corrosion resisance than what you'd get from a similar-diameter ACSR or even some copper alternatives in coastal areas — that's a known weak spot for steel-cored stuff in salt spray. The linear expansion coefficient runs 23×10⁻⁶/°C, which means thermal behavior is predictable across temperature swings, and that matters more when you're stringing lines over long spans where mechanical stress accumulates. Most buyers doing overhead transmission go with 19-strand or 37-strand configurations, but we've settled on a 50-unit minimum for the round wire format to keep per-meter pricing in line.
Anyway, the certification side is straightforward — ISO and CCC are both current, and we got a COA form the last batch showing HPLC-level purity checks on the alloy composition, though I'd still ask for the latest TDS on your specific order to be safe. One detail they don't always flag is that the bare conductor isn't suited for direct burial or underground runs without additonal jacketing (that's more of an insulated cable job), so keep that in mind if your team was planning any ground-level tap-offs.
0.0326 Ω·mm²/m resistivity gives better conductivity than typical 1350-H19 alloy wire for this votage class, and lower power losses versus single-layer ACSR mean your operating costs drop noticeably over a 20-year lifespan or so. The packaging is pretty standard — wooden reels, two-ply poly wrapper, strapped for export — and for a 10 km or 15 km order, you're looking at about 500 kg gross per reel, give or take depending on stranding count.
We typically require a 2-ton MOQ for standard sizes, but we can discuss smaller quantities for first-time orders.
Lead time is usually 15-20 working days after order confirmation, depending on the quantity and current production schedule.
Yes, we include both ISO and CCC certification copies with every bulk delivery to meet your compliance needs.
We can adjust stranding configurations or wire diameters within standard DIN48201 specs, but custom tooling may add a small fee and extra lead time.
Store it in a dry, covered area off the ground, and keep it away from moisture or chemical exposure to prevent oxidation.
