Which Scrap Metal Pays the Most? Copper Wins, But Sorting Decides the Rest
If you’re staring at a mixed pile of metal before a scrap run, the short answer is copper — it pays more per pound than any other common scrap metal, by a wide margin. Aluminum and brass sit in the middle. Steel, despite being the most common metal on any job site, gets priced by the ton and pays far less per pound. That’s the direct answer to which scrap metal pays the most, but the real money is in how you sort the load.
C4S Recycling is a CalRecycle certified scrap metal and recycling center now based in Chula Vista, serving contractors, property managers, and walk-in sellers across San Diego County. We weigh loads daily and can tell in a minute if a pile is worth breaking down further.
Why Copper Pays More Than Anything Else in the Pile
Copper outpays aluminum, brass, and steel because of what it’s made of. It conducts electricity better than nearly any other commercially available metal, which is why wiring, motors, and transformers are built around it. When a mill melts it back down, purity drives value — bare, bright wire stripped of insulation brings the top grade.
Per the U.S. Geological Survey, copper recovered from scrap made up about 30% of total U.S. copper supply in 2025 (USGS Mineral Commodity Summaries 2026). Copper recycling isn’t a side market — it’s a working part of the metal supply chain. Old wire, tubing, or fittings off an HVAC job are usually the most valuable metal in the load; our guide to how scrap metal prices are set breaks down the grading factors.
Aluminum and Brass: Solid Value, Different Rules
Aluminum comes in well below copper but still pays more than steel. It’s light, so it takes more pounds to add up to real money, but it moves in high volume — old AC condensers, window frames, gutters, car parts. Brass, an alloy of copper and zinc, usually lands between aluminum and copper, with clean plumbing fittings grading higher than red brass or mixed pieces.
Aluminum recycling is a bigger piece of the national supply than most assume — the USGS reports aluminum recovered from old scrap equaled about 28% of apparent U.S. consumption in 2025 (USGS Mineral Commodity Summaries 2026). A dead AC unit or chiller often separates into two or three grades once broken down — see our guide on recycling an old AC unit or chiller. Our appliance recycling service handles that teardown for you.
Steel and Ferrous Scrap: Priced by the Ton, Not the Pound
Steel and other ferrous metals get priced differently than copper, aluminum, or brass. Instead of a per-pound rate, steel scrap trades by the ton, a fraction of what copper earns per pound. That’s not because steel is worthless — it’s produced in such volume that the market treats it as a bulk commodity, not a specialty material.
Demolition and construction sites generate most of their tonnage this way. Structural beams, rebar, angle iron, and old appliance shells are almost all steel scrap, and a full truckload adds up given the sheer weight. Contractors running demolition scrap jobs deal in that volume, and pulling out copper or brass fittings first is money saved.
Contamination Is the Fastest Way to Lose Money
Contamination is the single biggest reason a load pays less than it should. Insulation on copper wire, paint on aluminum, gaskets on brass fittings, and mixed-metal assemblies all knock the grade down, sometimes by half or more. A yard prices it lower because it costs more to process — extra labor to strip it, or weight lost as the coating burns off.
The contamination issues we see most:
- Insulated copper wire instead of stripped, bare copper
- Painted or coated aluminum mixed with clean extrusions
- Brass fittings still attached to steel pipe or fixtures
- Mixed ferrous and non-ferrous metal in one pile
None of this makes a load unsellable — it just means a lower grade, avoidable with fifteen minutes of sorting.
The Magnet Test: Sorting Ferrous From Non-Ferrous in Seconds
The fastest way to sort a mixed pile is the magnet test. If a magnet sticks, it’s ferrous — steel or iron — headed for the lower-value bin. If it doesn’t, it’s non-ferrous metal: copper, aluminum, brass, or most stainless.
- Magnet sticks = ferrous (steel, iron, cast iron), priced by the ton
- Magnet doesn’t stick = copper, aluminum, brass, or most stainless, priced by the pound
- Stainless is worth double-checking — some grades are magnetic, some aren’t, but it beats plain steel pricing either way
ISRI notes ferrous grades must be free of nonferrous metal, dirt, and excessive corrosion for standard pricing (ISRI Scrap Specifications) — what the magnet test catches. Our ferrous vs. non-ferrous metal guide covers how these grades get set.
Why Pre-Sorting Before You Arrive Gets You a Better Check
Pre-sorting is the single biggest lever you control over your payout. A load already broken into copper, aluminum, brass, and steel gets weighed faster and pays closer to what each metal is worth, instead of getting bucketed into whatever the mixed rate happens to be. That’s the practical answer to which scrap metal pays the most: whichever ones you kept separate before they hit our scale.
This matters most for contractors running recurring loads — HVAC crews, electricians, and demolition outfits generating scrap week after week benefit from consistent sorting habits. Check out our manufacturing scrap services if your shop generates metal regularly. Whether it’s a demo-job truckload or a few buckets of wire, Get a Quote and we’ll walk you through what your mix is worth first.
Frequently Asked Questions
Which scrap metal pays the most per pound?
Copper pays the most per pound of any common scrap metal, with brass and aluminum behind it. Steel pays less per pound but sells by the ton, so a full load of clean steel scrap still adds up.
Is it worth separating metals before I bring them in?
Yes. A pre-sorted load gets weighed by grade instead of bucketed into a lower mixed rate, and moves through our scale faster. Pulling copper wire and brass fittings out of a steel pile usually pays for the extra fifteen minutes it takes.
Does C4S Recycling serve areas outside Chula Vista?
Yes. Our yard is at 1664 Industrial Blvd in Chula Vista, and we serve contractors and walk-in customers across San Diego County, including our full list of service areas such as El Cajon, Santee, La Mesa, Lakeside, Spring Valley, Rancho San Diego, and Alpine.
How do I get an accurate quote for a mixed load?
Bring the load in and let our scale do the work — we grade copper, aluminum, brass, and steel separately and pay accordingly. For a quick estimate first, call (619) 349-2282 and describe what you’ve got.
Ready to Get Started?
Sorting your own load takes a little effort up front, but it’s the easiest way to get copper, aluminum, brass, and steel graded and paid at their real value instead of a blended rate.
Get a Quote or call us at (619) 349-2282.