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Difference Between Blue Steel and Carbon Steel

Blue Steel and Carbon Steel

When it comes to metalworking, there are two types of steel that are often used: blue steel and carbon steel. Both have their advantages and disadvantages, so which one is best for your project? Let’s take a closer look at both blue steel and carbon steel to see how they compare.

What is Blue Steel?

Blue steel is a type of high-grade tool steel. It is made by mixing tungsten, chromium, vanadium, manganese, and cobalt together in an electric furnace. The alloy is then processed into bars or strips that can be machined into parts or tools. Blue steel is known for its strength and durability, making it ideal for a variety of construction projects. It also has excellent wear resistance, making it well-suited for applications that require frequent use of the tool or part.

What is Carbon Steel?

Carbon steel is another type of metal used in metalworking projects. Unlike blue steel, carbon steel does not contain any added alloys or metals. Instead, it consists primarily of iron and carbon. The main advantage of carbon steel over other types of metal is its affordability; it costs less to produce than more complex alloys like blue steel. It also offers good strength and durability—although not quite as much as blue steel—so it can be used for many construction projects as well.

Blue Steel vs Carbon Steel

  • Blue steel is made from high carbon steel that has been treated with a blue oxide coating. This coating helps to protect the steel from rust and corrosion.
  • Carbon steel is made from high carbon steel that has not been treated with any type of coating. This makes it more susceptible to rust and corrosion.
  • Blue steel is typically harder than carbon steel, making it ideal for applications where durability is important.
  • Carbon steel is typically softer than blue steel, making it more suitable for applications where flexibility is important.
  • Blue steel is more expensive than carbon steel due to the additional manufacturing process required to apply the blue oxide coating.


When deciding between blue steel and carbon steel for your project, there are several factors to consider. If you need the highest strength possible without breaking the bank, then carbon steel may be the better choice for you; however, if you need something with exceptional durability and wear resistance, then blue steel may be worth the extra cost. Ultimately which type you choose will depend on your specific needs and budget constraints, so make sure to do your research before making a decision!

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