Sorting copper scrap.

Sort by class, protect the top

Buyers price what they can verify, and verification is class by class. The rule that governs everything: a mixed load is typically priced at the lowest grade in the pile. One piece of painted #2 copper tossed in with bare bright wire does not average out — it drags the conversation toward #2 for everything, because the buyer must assume the mix. The fix is separation into the classes buyers actually price: bare bright wire; #1 copper (clean tubing, bus bar, solids); #2 copper (painted, soldered, tarnished); #1 insulated wire; #2 insulated wire; brass; bronze. You do not need laboratory precision — you need the obvious separations. Keep stripped bright wire apart from everything else. Keep tubing with soldered joints out of your clean #1. Keep brass fittings and bronze valves in their own buckets, away from copper entirely. Coil wire neatly by class instead of tangling it into one nest; a buyer who can see clean separated classes prices with confidence, and confidence is worth money.

What downgrades a load

Contamination is anything that is not the graded metal, and it is priced in one way or another. The common offenders: steel and iron — screws, hangers, straps, and especially copper-clad steel wire, which a magnet catches instantly; run a magnet over every batch. Solder and paint on tubing and sheet, which move #1 material into #2; brass fittings left on copper pipe ends — cut them off, since brass in a copper load is a downgrade and brass in its own bucket is its own price; oil, grease, and dirt, which add tare weight disputes and handling; nonmetallics — plastic, rubber, wood, insulation debris mixed into the metal; and attachments like steel ends on wire and connectors on cable. None of this requires perfection. It requires the ten minutes with side cutters that separates a clean, honest load from a mystery pile. Also mind the new-versus-old distinction buyers use: new scrap (manufacturing cuttings, offcuts) is clean and consistent; old scrap (demolition, renovation, end-of-life equipment) carries the patina of its history. Both are valuable — old scrap just needs the sorting that new scrap never needed.

Bulk, timing, and honesty

Three habits separate experienced sellers from the rest. First, accumulate bulk. Small, frequent sales of a few pounds price at the least favorable terms — the handling cost is the same whether the load is five pounds or five hundred. Accumulating sorted material into meaningful quantities earns better rates and makes pickup or freight sensible. Second, watch the benchmarks. Copper offers track COMEX and LME trends; selling into a rising market versus a falling one is a real decision, and checking the trend before you sell is free. Third, be honest about the mix. Describe what is actually there — including the questionable bucket. Buyers verify everything at intake; hidden steel, hidden brass, or hidden debris discovered at verification gets priced in with a trust discount on top. An honestly described mixed load prices as a blend; a misrepresented one prices as a problem. Photograph each sorted class separately before you call — clear photos of separated, identified material are the fastest path to a serious quote.

Copper questions, answered.