The role of carbon in steelmaking 

There are many ferroalloy products, and some products have carbon elements. It can be seen that carbon elements play a great role in steelmaking. Carbon is often referred to as the "controller" due to its effect on the properties of steel. Although carbon itself does not have strength and hardness, but in solid solutions as the carbide Fe3C of iron, carbon is the primary control element for strength and hardness.

The main role of carbon is that with the increase of carbon content in steel, the strength, hardness and hardenability of steel can be improved; However, it reduces plasticity, toughness, magnetism and conductivity. Carbon and certain alloying elements in steel combine to form various carbides, which have different effects on the properties of steel.

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