Cast iron is a versatile and durable material that has been used for centuries in various applications, from construction to household items. Its unique properties, such as high resistance to wear and corrosion, make it a valuable material in many industries. This article explores the value of cast iron, including its composition, types, common uses, and its worth in the scrap market. Additionally, we will delve into its applications in construction and household items, its durability and maintenance, environmental impact, and how it compares to other metals.

Key Takeaways

  • Cast iron is a durable and versatile material used in various applications, including construction, cookware, and machinery.
  • The scrap value of cast iron is influenced by factors such as weight, condition, and current market demand.
  • Cast iron offers several advantages over other metals, such as steel, including better resistance to mechanical wear and tear.
  • Proper care and maintenance can significantly extend the lifespan of cast iron items, making them a sustainable choice.
  • Recycling cast iron has significant environmental benefits, including reduced energy consumption and lower carbon emissions.

Understanding Cast Iron

Composition and Properties

Cast iron is a durable metal often used as a construction material due to its corrosion resistance, low melting point, excellent machinability, good fluidity, castability, and high resistance to deformation and wear. Cast iron is regularly used in projects such as maintenance holes, sewer pipes, water pipes, and cisterns. Due to its malleability, it is often used in decorative applications such as casting moulds for lamp posts, gates, and metal staircases.

Types of Cast Iron

Cast iron can come from all different places and you have to make sure that you check with your scrap yard before you mix anything with the cast iron and expect the same pricing. Cast iron is most commonly found in pipe and casting forms, but there are many other applications for it as well. Grates and sewer plates are often made of cast iron, and if you have a relationship with the town or a contract to get rid of those items make sure to keep them separate.

Common Uses

Cast iron is a grade of ferrous metal used in a wide range of items including drain pipes, gutters, and machinery. As its name implies, this is iron which has been heated and poured into a cast mould to form a specific shape. Cast iron tends to be brittle so it’s important to handle this metal with care when scrapping it.

Scrap Value of Cast Iron

Factors Affecting Scrap Value

The scrap value of cast iron can vary significantly based on several factors. Weight is a primary determinant; heavier pieces will fetch a higher price. The condition of the cast iron, including any signs of corrosion, also plays a crucial role. Additionally, the current supply and demand for this metal grade can influence its value.

Current Market Prices

Current market prices for cast iron scrap can fluctuate. For example, heavy iron might be priced around £190.00 per tonne. It’s essential to check with local scrap yards for the latest prices to ensure you get the best deal.

Where to Sell Your Cast Iron

To sell your cast iron, contact local scrap yards. They can provide up-to-date prices and help you understand what you can expect to receive. Submitting an enquiry form to a reputable dealer can also be a good way to get a quote. Make sure to check the latest scrap iron prices to maximize your returns.

Make the most of your cast iron waste by finding a reputable scrap yard that offers competitive prices. This can make a significant difference in your overall returns.

Cast Iron in Construction

Structural Applications

Cast iron is a durable metal often used in construction due to its corrosion resistance, low melting point, excellent machinability, good fluidity, castability, and high resistance to deformation and wear. It is regularly used in projects such as maintenance holes, sewer pipes, water pipes, and cisterns.

Advantages Over Steel

One of the key advantages of cast iron over steel is its cost-effectiveness. During the 18th and 19th centuries, cast iron was a cheaper engineering material than wrought iron because it did not require intensive refining and working. Additionally, cast iron’s high resistance to wear and deformation makes it a preferred choice for many structural applications.

Decorative Uses

Due to its malleability, cast iron is often used in decorative applications such as casting moulds for lamp posts, gates, and metal staircases. Its ability to be easily shaped and its aesthetic appeal make it a popular choice for both functional and decorative elements in construction projects.

Cast iron’s versatility in both structural and decorative applications makes it an invaluable material in the construction industry.

Cast Iron in Household Items


Cast iron cookware is a staple in many kitchens due to its excellent heat retention and even cooking. You might’ve used a cast iron skillet before in your life. These skillets are perfect for searing meats and making cornbread. Other common cast iron cookware includes Dutch ovens, griddles, and baking pans.

Heating Elements

Cast iron is also used in various heating elements around the home. Cast iron radiators are known for their efficiency and durability, providing consistent heat over long periods. Additionally, cast iron stoves and fireplace grates are popular for their ability to retain and radiate heat effectively.

Furniture and Decor

In addition to its practical uses, cast iron is often found in household furniture and decor. Items such as cast iron sinks, tables, and even decorative pieces like lamp posts and gates add a touch of vintage charm to any home. The durability and malleability of cast iron make it ideal for these applications.

Durability and Maintenance of Cast Iron

Corrosion Resistance

Cast iron is known for its corrosion resistance, making it a durable choice for various applications. However, it can still rust if not properly maintained. A natural patina can form on the surface, providing a protective barrier against deeper corrosion. For added protection, cast iron can be coated with powder coating.

Handling and Care

Proper handling and care are essential to ensure the longevity of cast iron items. Here are some tips:

  • Avoid dropping or striking cast iron items, as they can be brittle.
  • Regularly clean and season cookware to maintain its non-stick surface.
  • Store cast iron in a dry place to prevent rusting.


With proper maintenance and care, cast iron items can last a lifetime, or even generations. Their durability makes them a valuable investment for both household and industrial uses.

Cast iron items are super resilient, durable, and can last a lifetime (even generations) with proper maintenance and care.

Environmental Impact of Cast Iron

Recycling Benefits

Recycling cast iron significantly reduces the need for new raw materials, which in turn lowers the environmental footprint of mining and processing. Recycling cast iron is an eco-friendly practice that helps conserve natural resources and reduces energy consumption. Additionally, recycled cast iron can be used in various applications, maintaining its utility and value.

Energy Consumption

The energy required to produce cast iron from raw materials is substantial. However, recycling cast iron consumes far less energy compared to producing new cast iron. This energy efficiency makes recycling a more sustainable option. The environmental impact of manufacturing and distribution is also minimized when recycled materials are used.


Cast iron is a durable material that can last for decades, reducing the need for frequent replacements. Its longevity contributes to its sustainability, as fewer resources are needed over time. Moreover, the ability to recycle cast iron further enhances its sustainability profile, making it a responsible choice for both industrial and household applications.

The environmental benefits of recycling cast iron cannot be overstated. By choosing recycled materials, we can significantly reduce our carbon footprint and promote a more sustainable future.

Comparing Cast Iron to Other Metals

Cast Iron vs Steel

Cast iron and steel are both popular materials in various industries. Cast iron is less time-consuming and easier to produce, but wrought iron is stronger. Cast iron has a carbon content greater than 2%, while steel typically has a carbon content of less than 2%. Steel’s great weldability and resistance to rusting make it a preferred choice for many applications.

Cast Iron vs Aluminum

Cast iron and aluminum serve different purposes based on their properties. Cast iron is known for its high fluidity, castability, and resistance to wear-and-tear, making it ideal for heavy-duty applications. On the other hand, aluminum is much lighter and has excellent corrosion resistance, which makes it suitable for applications where weight is a critical factor.

Cast Iron vs Stainless Steel

Stainless steel and cast iron both have their unique advantages. Cast iron is appreciated for its durability and high resistance to mechanical wear and tear. Stainless steel, however, offers superior corrosion resistance and is often used in environments where hygiene is paramount, such as in kitchenware and medical instruments.

When choosing between cast iron and other metals, consider the specific requirements of your project, such as strength, weight, and resistance to corrosion.

When comparing cast iron to other metals, it’s essential to consider factors like durability, heat retention, and versatility. Cast iron stands out for its exceptional heat retention and even heating, making it ideal for cooking and industrial applications. However, other metals like aluminum and stainless steel offer their own unique benefits. To learn more about the advantages and disadvantages of different metals, visit our website.


Cast iron remains a valuable material in various industries due to its durability, corrosion resistance, and excellent machinability. Its applications range from construction materials to cooking pots and agricultural tools, making it a versatile choice. Despite its brittleness, cast iron’s low melting point and high resistance to wear and tear make it a preferred option over steel in many projects. The scrap value of cast iron is influenced by factors such as weight, condition, and current market demand. By understanding these aspects, individuals and businesses can make informed decisions about recycling and utilizing cast iron effectively.

Frequently Asked Questions

What is cast iron?

Cast iron is an extremely hard iron and carbon alloy with a low melting temperature. It is created by heating iron and pouring it into a cast mold to form a specific shape.

What is the melting point of cast iron?

Cast iron has a melting point between 1150 and 1300 degrees Centigrade.

What is cast iron worth in scrap?

Cast iron can be worth a decent amount when scrapped with a reputable metal dealer. The value is determined by the weight, condition, and current supply and demand for this metal grade.

How do I sell my cast iron and where do I go?

Contact your local scrap yard for their latest prices on cast iron and other scrap metals. Checking the current cast iron price can help you determine the value of your material.

Does cast iron rust?

Yes, cast iron can rust if it is not properly maintained and exposed to moisture. Regular care and seasoning can help prevent rusting.

What is the difference between cast iron and steel?

Cast iron has a carbon content greater than 2%, while steel has a carbon content typically between 0.02% to 1.5%. Steel can also contain other elements, such as chromium.