What is the Difference Between Carbon Steel and Mild Steel?

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Carbon steel and mild steel are both types of steel that contain carbon as the primary alloying element. However, there are differences between the two, mainly in terms of carbon content and their properties.

The main differences between carbon steel and mild steel are:

  1. Carbon Content: Carbon steel typically contains between 0.05% and 1.70% carbon by weight, while mild steel, also known as low-carbon steel, has a lower carbon content (0.04-0.3%).
  2. Strength and Hardness: Carbon steel is generally stronger and harder than mild steel due to its higher carbon content. Mild steel is more ductile and highly formable, making it suitable for automobile body parts, plates, and wire products.
  3. Cost: Carbon steel is typically more expensive than mild steel. Mild steel is the most common form of steel and accounts for 85% of all steel production, making it more cost-effective.
  4. Applications: Depending on the specific requirements of an application, such as strength, hardness, ductility, and toughness, the choice between carbon steel and mild steel will vary. Carbon steel is more suitable for high-strength applications or where high hardness is required, while mild steel is more suitable for applications that require ductility and formability.

In summary, mild steel is a type of carbon steel with a lower carbon content, making it more ductile and formable. Carbon steel, on the other hand, has a higher carbon content, making it stronger and harder. The choice between the two depends on the specific requirements of the application.

Comparative Table: Carbon Steel vs Mild Steel

The main difference between carbon steel and mild steel is the carbon content. Carbon steel is a type of steel with a higher amount of carbon content (typically 0.05% to 1.7%), while mild steel, also known as low-carbon steel, has a lower amount of carbon content (typically 0.05% to 0.25%). Here is a table comparing the properties of carbon steel and mild steel:

Property Carbon Steel Mild Steel
Carbon Content 0.05% to 1.7% 0.05% to 0.25%
Tensile Strength High Low
Strength High Low
Hardness High Low
Ductility Low High
Malleability Low High
Toughness High Low
Weldability High High
Corrosion Resistance Low Low
Cost Higher Lower
Common Applications Automotive components, construction materials, and sheet metal work Sheet metal work, automotive components, wire products, fasteners, and boilers and pressure vessels

Carbon steel is known for its hardness, strength, and durability, while mild steel is known for its ductility, malleability, and cost-effectiveness. The choice between carbon steel and mild steel depends on the specific requirements of an application, taking into account factors such as strength, hardness, ductility, and toughness.