Scrap Copper and Brass Pricing Guide: Grades, Cables, and Tubing

How scrap yards evaluate non-ferrous metals

When you bring scrap copper or brass to a recycling facility, your payout depends almost entirely on material purity and pre-trip preparation. Scale operators sort non-ferrous metals into strict industry tiers, where contamination such as paint, solder, plastic insulation, or iron attachments drastically lowers the per-pound rate. Knowing how materials are graded allows you to clean, strip, and separate your stash at home, preventing a single oily fitting or insulated lead from dropping an entire container down to a lower pricing bracket.

At most facilities, copper brings the highest return among common residential and automotive scrap items, but pricing varies day to day based on commodities market exchanges. Finding qualified scrap metal yards and recycling centers gives you a direct outlet for these high-value metals, though each business maintains its own threshold for grading. A small amount of preparation with basic hand tools often yields noticeably higher payouts than dumping a mixed bucket onto the scale.

Telling apart bare bright, number one, and number two copper

Bare bright copper sits at the very top of the scrap hierarchy, commanding the highest per-pound payout. To qualify, the material must consist of clean, unalloyed, uncoated wire stripped entirely of insulation, measuring at least 16-gauge in thickness. The surface must show no oxidation, tarnish, or paint, retaining its raw, reflective shine. If the wire is thin strand, burnt clean, or carries any residue, the receiving scale will immediately downgrade it to a lower tier.

Number one copper is the second-tier grade and represents the workhorse of plumbing and electrical recycling. Clean copper tubing without solder, unpainted bus bars, and thicker stripped wire that shows mild oxidation or surface age typically land in this category. For tubing to achieve this classification, every joint with lead or tin solder, brass union, and steel hanger must be cleanly cut away. Even minor contamination can lead the yard inspector to reclassify the entire bundle.

Number two copper includes materials that carry noticeable impurities or light coatings. Heavy burnt wire, tubing with soldered joints, enameled motor windings, and pipe showing extensive corrosion or paint fall into this grade. Although it pays less than cleaner grades, it still commands substantial value compared to ordinary base metals. Taking the time to trim off soldered ends can convert a large pile of number two tubing into much higher-value clean pipe.

Sorting insulated cables and calculating wire recovery

Insulated wire is purchased based on its estimated copper recovery rate, which reflects the weight ratio of raw metal compared to outer plastic shielding. High-recovery cables, such as heavy industrial feeders or clean copper bus cable, typically contain between seventy and ninety percent usable metal by weight. Thinner residential wiring, such as non-metallic sheathed cable commonly pulled during home remodels, generally tests around fifty to sixty percent copper content once stripped.

Low-yield wiring includes everyday extension cords, computer cables, and vehicle wiring harnesses, where thin strands are surrounded by thick rubber or multiple jacket layers. In these products, copper recovery often drops below forty percent, meaning more than half the gross weight is worthless plastic sheath. Many vehicle builders integrate fine wiring throughout the chassis, which you can regularly spot while sourcing parts at u-pull-it self-service yards.

Deciding whether to strip wire by hand depends on wire gauge, volume, and the time you are willing to invest. Heavy single-conductor cable is usually worth peeling with a utility knife or desktop stripper because moving from an insulated rate to bare bright provides a noticeable payout jump. Conversely, stripping multi-strand cords or thin automotive harness leads rarely justifies the labor, as thin strands often break and only qualify for lower-tier grades anyway.

Yellow brass, red brass, and mixed plumbing hardware

Brass is an alloy primarily composed of copper and zinc, making it heavier than aluminum and significantly more valuable than mild steel. In scrap terminology, yellow brass is the most widespread variety, commonly found in decorative fixtures, musical instruments, lamp parts, and common plumbing unions. It features a bright, golden color and typically commands a consistent payout across regional buyers, though clean batches consistently bring better rates than assemblies mixed with steel springs or rubber washers.

Red brass, sometimes referred to as semi-red or hydraulic bronze, carries a higher concentration of copper and smaller amounts of tin or lead. This composition gives the metal a darker, reddish tint and greater resistance to rust and friction. Red brass is standard in heavy-duty commercial plumbing valves, pump castings, and certain marine fittings. Because of its elevated copper percentage, recycling facilities generally pay a noticeable premium for red brass over standard yellow brass.

Dirty brass refers to any brass component that still contains foreign materials like iron bolts, plastic handles, or glued-on gaskets. A standard water valve with a steel handle attached will be bought as dirty brass, earning significantly less per pound because the processor must manually dismantle it before melting. Taking a few minutes with a wrench to unscrew steel stems, handles, and iron brackets restores the piece to clean status.

Automotive scrap sources and copper tubing

Automotive components contain significant non-ferrous value, particularly cooling systems and electrical components. Older cars frequently utilized brass-copper radiators and heater cores, which are distinct from modern aluminum assemblies. If you are dismantling an older chassis or salvaging parts through auto salvage yards, separating the heavy brass side tanks from copper cooling fins helps you avoid low-grade mixed radiator valuations.

Air conditioning systems and vehicle plumbing lines are another steady source of clean tubing. Small-diameter copper lines run through older climate systems, power steering coolers, and certain heavy-duty oil coolers. When pulling these parts from project vehicles or working with local salvage yards, ensure fluids are drained and steel mounting sleeves are removed. Yards will not accept pressurized lines, and residual fluids create serious environmental and safety hazards at the scale.

Best practices before arriving at the scale

To receive the best payout, organization before arriving at the scrap facility is critical. Keep each category of metal separated in distinct bins, 5-gallon buckets, or cardboard boxes. If you combine bare bright wire with number two copper pipe in the same container, the scale operator will almost always weigh the entire lot at the lower grade rate. Labeling your containers and having a general sense of total weight speeds up the transaction.

State laws and municipal regulations strictly govern non-ferrous metal recycling to deter theft of utility and construction materials. In most states, scrap yards are legally required to verify a government-issued photo ID, record vehicle license plates, and take a photograph or thumbprint during the sale. Furthermore, many jurisdictions impose holding periods or issue checks rather than cash payments for transactions exceeding specific monetary thresholds.

Payment methods and local pricing fluctuate based on global export markets, domestic manufacturing demand, and local inventory levels at the processor. Calling ahead or reviewing local rate sheets gives you a baseline for what to expect on a given morning. Bringing clean, well-sorted, and uncontaminated material establishes a solid reputation with scale workers, ensuring you receive honest, accurate grading every time you pull across the scale.

Published 2026-09-20 · reviewed with each rebuild, last September 2026.