Why You Should Recycle Metals and What Metals Can be Recycled

Around 13 million tonnes of ferrous and non-ferrous metal are processed by the UK's metal recycling industry every year, according to the British Metals Recycling Association. Knowing what metals can be recycled is important. Recycling metal is one of the best ways we can reduce waste — and it's also essential for the environment. Recycling raw materials, including metals,

• slashes carbon emissions substantially compared with mining and smelting virgin ore.

Whether ferrous or non-ferrous, it's important we recycle metal to reduce waste, conserve energy, and cut carbon emissions. Read on to find out what metals can be recycled, and how the process actually works.

Key Takeaways for the Topic – What Metals can be Recycled?

• The UK's metal recycling industry processes around 13 million tonnes of ferrous and non-ferrous metal a year, supplying raw material back to manufacturers.
• Steel and aluminium can be recycled indefinitely without losing quality; recycling aluminium saves around 95% of the energy needed to produce it from raw ore.
• Copper is one of the world's most recycled metals — recycling it uses only around 10–15% of the energy required to mine and refine new copper.
• Brass and zinc can also be recycled repeatedly without degrading, making them reliably valuable scrap metals.
• Lead is one of the most heavily recycled metals worldwide by volume, mainly recovered from vehicle batteries, and stainless steel is fully and infinitely recyclable too.
• Metal recycling works through collection, sorting (often using magnets and eddy current separators), shredding, melting, and reforming into new raw material.

Recycle Steel to Reduce Greenhouse Gas Emissions

Steel is very easily separated from non-ferrous metals like the aluminium cans you can see rolling straight past on a sorting line, since steel is magnetic and they aren't.

Steel is commonly found in vehicle parts and household appliances like washing machines, fridges and freezers. A significant share of the UK's steel still comes from primary production using iron ore, while the rest comes from recycled scrap. Steel recycling relies on electric arc furnaces, which are far more energy-efficient than the blast furnaces used to manufacture new steel from ore, and the wider steel industry remains one of the highest-emitting industrial sectors globally — making the shift toward recycled input an important lever for cutting emissions. Steel can be recycled indefinitely without any loss of quality or strength.

What About Non-Ferrous Metals?

Metals are classified as either ferrous (containing iron, such as steel) or non-ferrous (all other metals). It's equally important to recycle non-ferrous metals, which can be reused without losing their quality. Titanium, in particular, is a durable, versatile non-ferrous metal found in smartphones, laptops and protective cases, so it's worth recycling your old electronics rather than binning them. If you have scrap titanium, look for local businesses offering to recycle non-ferrous metals — payment depends on the classification and purity of the metal.

Copper: One of the World's Most Recycled Metals

Copper is consistently one of the most recycled metals in the world, with a substantial share of Europe's copper supply now coming from recycling. Recycling copper is highly energy efficient — only roughly 10–15% of the energy used to mine fresh copper is needed during the recycling process. Recycling copper therefore helps protect global raw material supplies as well as the environment, and it's much cheaper than mining new copper while still retaining most of its original value. Copper is a finite resource, so recycling it helps conserve it for future generations. It's commonly found inside air conditioners, plumbing pipes, roofing materials, and electrical wiring — just look underneath the plastic insulation. It's also one of the most financially rewarding metals to recycle, so it's worth taking scrap copper to a scrap yard rather than throwing it out.

Don't Forget to Recycle Your Old Brass

Brass is a copper and zinc-based alloy typically found in hardware such as keys, valves, light fixtures, bathroom fixtures and door handles, as well as at the end of copper piping. Brass is a great metal to recycle, as there's no limit to the number of times it can be recycled, meaning it retains its physical value throughout the process. Like other metals, recycling brass is better for the environment since it keeps material out of landfill, and it uses less energy than recycling metals like aluminium and steel. It's also a financially rewarding scrap metal — and being dense, it adds up in weight quickly, so it can make a decent return at the scrap yard.

Recycle Zinc to Save This Finite Natural Resource

Zinc is another non-ferrous metal that can be recycled repeatedly without losing its chemical or physical properties. It's a versatile metal used in many household appliances and cars, but it's most commonly used to protect steel from corrosion by hot-dip galvanising. A significant share of global zinc still comes from newly mined ore, with the remainder from recycled zinc, and that recycled share continues to grow as recycling technologies improve. Zinc is naturally abundant in the Earth's crust, but as a finite natural resource it's still worth conserving through recycling — which also saves energy and reduces harmful emissions released during primary production.

Is Lead Recyclable? Yes — and It's Recycled More Than You'd Think

Lead is one of the most heavily recycled metals in the world by volume, largely because the vast majority comes from a single, well-organised source: vehicle lead-acid batteries. When an old car, van or motorbike battery reaches the end of its life, the lead inside is almost always recovered and reprocessed rather than landfilled, since collection and recycling infrastructure for batteries is well established in the UK and globally. Lead is also found in some older plumbing, roofing flashing, and certain types of ammunition and weights. Because lead is toxic if it enters soil or water, it should never go in general waste or a standard bin — take old batteries to a garage, recycling centre, or battery collection point instead.

Stainless Steel: Fully and Infinitely Recyclable

Stainless steel is another metal that can be recycled indefinitely without any loss of quality, strength, or corrosion resistance. It's commonly found in kitchen appliances, cutlery, sinks, industrial equipment, and construction fixtures. A large share of the world's stainless steel is already made from recycled material, since the chromium and nickel content that makes it valuable is fully recoverable through melting. If you're clearing out old kitchen equipment or appliances, stainless steel components are usually worth separating out before scrapping the rest.

The Importance of Recycling Aluminium

Recycling aluminium saves roughly 95% of the energy required for primary production, and greatly cuts down on greenhouse gas emissions in the process. All UK drink cans are made from aluminium, as well as foil, wrappers, bottle tops, and aerosols. A large majority of aluminium cans in the UK are now recycled, though packaging recycling rates lag behind cans, so there's still room for improvement. Recycled aluminium cans can be back on the supermarket shelf as a new product within as little as sixty days.

How Does Metal Recycling Actually Work?

Once scrap metal reaches a recycling facility, it typically goes through several stages:

• Collection and sorting — scrap arrives from households, businesses, vehicle scrapyards, construction sites, and kerbside collections, and is sorted by type.
• Magnetic separation — powerful magnets pull out ferrous metals (steel and iron) from the mixed scrap stream automatically.
• Eddy current separation — for non-ferrous metals like aluminium and copper, which aren't magnetic, facilities use eddy current separators: a rapidly alternating magnetic field induces an opposing current in the metal, physically repelling and ejecting it from the rest of the waste stream.
• Shredding — sorted metal is shredded into smaller pieces to increase surface area and make melting more efficient.
• Melting and purification — shredded metal is melted in a furnace (electric arc furnaces for steel, for example), with impurities removed during the process.
• Reforming — the purified molten metal is cast into ingots, sheets, or other raw material forms, ready to be sold on to manufacturers as feedstock for new products.

FAQs for – “What Metals can be Recycled?”

Is metal recyclable?

Yes — nearly all metals are recyclable, and most can be recycled repeatedly without losing quality or strength. This includes steel, aluminium, copper, brass, zinc, lead, and stainless steel.

Is steel recyclable?

Yes. Steel is one of the most recycled materials in the world and can be recycled indefinitely without any loss of quality, using electric arc furnaces that are far more energy-efficient than primary steel production.

Is lead recyclable?

Yes, and it's recycled at a very high rate, mainly because most lead comes from vehicle batteries, which have well-established, mandatory collection and recycling routes. Lead should never be disposed of in general waste due to its toxicity.

What are examples of scrap metal?

Common household and business scrap metal includes drink cans, food tins, old appliances (fridges, washing machines, microwaves), copper pipes and wiring, brass fittings and door handles, car batteries, scaffolding poles, radiators, and end-of-life vehicles.

What are the benefits of recycling metals?

Recycling metal reduces the energy and carbon emissions associated with mining and refining virgin ore, conserves finite natural resources, reduces landfill waste, and is often financially rewarding since scrap metal has real resale value.

How is metal recycled?

Scrap metal is collected, sorted (using magnets for ferrous metal and eddy current separators for non-ferrous metal), shredded, melted down, purified, and reformed into raw material that manufacturers use to make new products.

Conclusion to “- What Metals can be Recycled?”

Failing to recycle metals wastes energy and harms the environment by increasing greenhouse gas emissions. Recycling metal is much more cost-effective and energy-efficient than mining and refining new material — and in the case of aluminium cans, recycled metal can be back on the supermarket shelf within sixty days. So, instead of letting your scrap metal go to waste, make sure it's recycled and put to good use.

[Published September 2019. Rewritten August 2026.]