If you’ve ever recycled scrap metal or visited a scrap yard, you’ve probably heard the terms ferrous and non-ferrous. These are the two main categories used to classify metals, but what is the difference between ferrous and non-ferrous metals? And why does it matter when recycling scrap metal?
What are ferrous metals?
Ferrous metals are metals that contain iron. Because of their iron content, they are generally strong, durable and widely used in construction, engineering and manufacturing. In addition, many ferrous metals are magnetic, making them relatively easy to separate from other materials during the recycling process. Some of the most common ferrous metals include:
- Steel
- Stainless steel
- Cast iron
- Wrought iron
- Structural steel
- Carbon steel
These metals are found in a huge range of products, from household appliances and radiators to structural beams, vehicles and industrial machinery.
What are non-ferrous metals?
Non-ferrous metals contain little or no iron. As such, they are often lighter than ferrous metals and are generally more resistant to rust and corrosion. Many are also excellent conductors of electricity, making them ideal for electrical wiring and plumbing applications. Some of the common non-ferrous metals include:
- Copper
- Aluminium
- Brass
- Lead
- Zinc
- Nickel
- Bronze
- Tin
These metals are commonly found in electrical cables, plumbing systems, roofing materials, window frames, vehicle parts and manufacturing equipment.
So what are the differences between these two types of metals?
There are several key differences between these two types of metal. These include:
Iron content- The main difference is that ferrous metals contain iron, while non-ferrous metals contain little or no iron. This difference affects many of the physical properties of the metal, including its strength, durability and resistance to corrosion.
Magnetic properties- Most ferrous metals are magnetic because of their iron content. This makes them easy to identify using a simple magnet. On the other hand, most non-ferrous metals are not magnetic, although there are a few exceptions depending on their composition. As a result, using a magnet is often one of the quickest ways to distinguish between the two types of metal when sorting scrap.
Resistance to corrosion- Non-ferrous metals are generally much more resistant to corrosion than ferrous metals. This is why aluminium is commonly used for window frames, copper is used for plumbing, and stainless steel is often chosen for kitchens and food preparation areas.
Common uses- Ferrous metals are commonly used where strength and durability are the priority, including in construction, bridges, buildings, vehicles, heavy machinery, and railway infrastructure. In contrast, non-ferrous metals are often selected where corrosion resistance, lighter weight or electrical conductivity are more important. These are frequently used in electrical wiring, plumbing systems, aircraft, roofing, window frames, and heating systems.
Scrap value- One of the biggest differences for anyone recycling metal is the value. Non-ferrous metals generally command higher prices because they are less abundant and have a wide range of industrial applications. This means that metals such as copper, brass and aluminium are often among the most valuable materials accepted by scrap metal merchants. While ferrous metals may be worth less per tonne, they are often available in much larger quantities, making them equally important within the recycling industry.
Why is it important to separate ferrous and non-ferrous metals?
Separating different types of metal makes recycling far more efficient. This is because different metals require different recycling processes, and sorting them correctly helps ensure that each material can be processed to the highest possible standard.
Separating metals also allows scrap metal merchants to accurately identify the material being recycled and determine its value. For large amounts of scrap, separating ferrous and non-ferrous metals can also help speed up collection and improve recycling efficiency.
What are the effective options for recycling ferrous and non-ferrous metals?
There are several ways to recycle both ferrous and non-ferrous metals. These include:
- Taking metal to a scrap yard
- Using a weigh and pay collection service
- Hiring a scrap metal skip
Hiring a scrap metal skip
Construction projects, home renovations, and industrial refurbishments often generate large volumes of scrap metal. As a result, hiring a dedicated scrap metal skip allows your ferrous and non-ferrous metals to be collected safely throughout the project before being removed for recycling. This helps keep sites organised while ensuring valuable materials are diverted from landfill.
What are the best practices for recycling scrap metal?
If you’re planning to recycle scrap metal, there are several things you can do to make the process easier:
- Separate ferrous and non-ferrous metals where possible before collection.
- Use a magnet to help identify ferrous metals.
- Keep scrap metal free from unnecessary contamination.
- Choose a licensed scrap metal merchant for responsible recycling.
- Consider a collection service or scrap metal skip for larger quantities of material.
For more information about ferrous and non-ferrous metal recycling, get in touch with the team today here at X-Met Metals. We offer competitive weigh and pay services, convenient scrap metal collection from your chosen location, scrap metal skip hire for larger projects, and fully licensed scrap yards where you can recycle a wide range of ferrous and non-ferrous metals. Whether you’re clearing a home, managing a construction site or disposing of industrial scrap, our experienced team is here to help you recycle your metal quickly, safely and responsibly.