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Some Properties of Mild Steel That You Do Not Know Of

Mild steel, in simple terms, is a kind of low-carbon steel. These are metals that have a very low quantity of carbon in them. This quantity would vary depending on the type of steel you are looking at. Mostly these low-carbon steels would have carbon in the 0.05 to 0.25 percent ranges.

Usually, there are a variety of grades of mild steel. However, all of them will have a carbon content in the range mentioned above. Here we will tell you some properties of mild steel that you may not know.

Chemical properties

As we have already mentioned, mild steel contains a low percentage of carbon in it. Until now, it was said that mild steel should have carbon up to 0.25%. But some experts even consider .45% carbon content as mild steel. You can check mild steel plate here if you are looking for one.

The low carbon content means that the steel is highly machinable. You can cut, machine it and create new shapes out of the metal. This is without creating any kind of stress on the workpiece. Carbon content at this level also ensures better weldability.

To further improve its chemical properties, the company adds more alloys. The inclusion of these elements brings a favorable change in the overall physical and chemical qualities of mild steel. Some elements which can be added are as follows:

  • Chromium
  • Cobalt
  • Phosphorus
  • Sulfur
  • Manganese 

The use of chromium increases the corrosion resistance and also makes mild steel harder. If mild steel is used in its pure form, it will rust quickly. Chromium covering creates a layer that will stop the mild steel from getting corroded. 

Physical properties 

While the above were some physical properties of Mild steel, we will now talk about its physical attributes:

  • High impact strength allows it to be used for various purposes
  • Ductility and weldability. You can use it to make any kind of shape. This also means that during welding, the steel can be modified as per your desire.
  • It contains iron content so has magnetic properties
  • Highly malleable and prone to last for a long time
  • However, you cannot subject the metal to heat treatment. This will damage the item entirely.


Mild steel is the most common type of steel used. You will find its application in almost all aspects of your life. Some of the applications are as follows:

  • Construction
  • Machinery Applications
  • Pipelines and poles
  • Fencing
  • Cutlery and cookware


Mild steel finds active acceptance all over the world. Its physical and chemical properties make it a popular choice. When combined with metals like Chromium and Copper, mild steel loses its resistance to corrode. 

Most manufacturers are working on finding combinations that would add to its worth. If you want to buy something made of mild steel, you must contact a trustworthy supplier. A lot of fake stuff generally is being sold under mild steel. 

To avoid getting duped, check online reviews and then only select the product. Remember that not all manufacturers will provide genuine quality.


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