Science of Scrap Metal Recycling: How It All Works

by | May 10, 2023

Science of Scrap Metal Recycling How It All Works - Bestway Metal Recycling - Scarborough

The Science of Scrap Metal Recycling: How It All Works. Discover the Fascinating Process Behind Scrap Metal Recycling with Bestway Metal Recycling



Scrap metal recycling is not only an essential industry for conserving natural resources and reducing the environmental impact but also a fascinating scientific process. In this blog post, we will delve into the science behind scrap metal recycling and explore the various processes involved in turning discarded metal into valuable resources. Join us as we uncover the inner workings of scrap metal recycling with Bestway Metal Recycling.


1. Collection and Sorting

The first step in the scrap metal recycling process is the collection and sorting of various types of metals. This involves gathering scrap metal from various sources, such as construction sites, automotive parts, and household appliances. Once collected, the scrap metal is sorted into different categories based on factors such as metal type, purity, and size. This separation is crucial for efficient recycling and helps determine the value of the scrap metal.


2. Shredding and Crushing

After sorting, the scrap metal undergoes shredding or crushing to break it down into smaller pieces. This process increases the metal’s surface area, making it easier to melt and improving the efficiency of the subsequent recycling stages. Shredding and crushing also help remove any remaining contaminants, such as paint or coatings, further improving the metal’s purity.


3. Melting and Purification

The next step in the recycling process is melting the scrap metal in a furnace. The furnace’s temperature varies depending on the type of metal being recycled, with some metals requiring higher temperatures to melt. For example, aluminum typically melts at around 660°C (1220°F), while copper melts at approximately 1085°C (1985°F).


During the melting process, the scrap metal may undergo purification to remove any remaining impurities or contaminants. This can involve the use of chemical treatments or filtration methods, such as slagging, where a layer of material called slag is formed on the surface of the molten metal. The slag captures impurities and can be removed before the metal is cast.


4. Casting and Solidification

Once the metal has been melted and purified, it is poured into molds or casts to solidify and take on a specific shape. This process, known as casting, allows the recycled metal to be formed into various shapes and sizes, such as ingots, bars, or sheets, depending on its intended use. The molds are then cooled, allowing the metal to solidify and harden.


5. Quality Control and Shipment

After casting, the recycled metal undergoes quality control checks to ensure it meets industry standards and specifications. This may involve testing the metal’s composition, strength, and purity. Once the recycled metal has passed quality control, it is ready to be shipped to manufacturers and other industries for use in new products.



The science of scrap metal recycling is a fascinating and intricate process that plays a vital role in conserving natural resources and reducing environmental impact. By understanding the various processes involved in recycling scrap metal, we can better appreciate the importance of this industry and its role in promoting a sustainable future. At Bestway Metal Recycling, we are committed to providing exceptional service, fair prices, and responsible recycling practices. Let us help you make the most of your scrap metal and contribute to a more sustainable world.

Bestway Metal Recycling is a family-owned business. We have been in operation since 2003. We are fully licensed by the City of Toronto for Metal Recycling. We buy Scrap Metals, Scarp Cars & Junk Cars, Scrap Copper, Scrap Aluminum, Scrap Copper Wires, Scrap Lead Batteries, Scrap Brass, and Scrap Catalytic Converters.

Contact us @ (416) 752-5755 to sell your scrap metals and scrap cars for cash.

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