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Difference Between Stainless Steel and Galvanised Steel
Difference Between Stainless Steel and Galvanised Steel
What Is Galvanizing?

What Is Mild Steel?

In a recent video blog series, we reviewed the main types of steel on the market today. From carbon steel to engineering steel, from tool steel to stainless steel, there are countless types, categories and grades of steel. Of these, it is a common term used to describe the general type of steel. But what exactly is mild steel? To help define the term, this article will explain its properties, how it is manufactured and some common examples of its application.


What is Mild Steel?

The lack of alloying elements such as those found in stainless steel means that the iron in it will oxidise (rust) if it is not properly coated. However, the amount of alloying elements is negligible compared to other steels, which also contributes to the relatively low price of mild it. It is this low price, weldability and workability that makes it a popular steel choice for consumers.


The Meaning of Mild Steel

  1. It is a type of carbon steel with a low carbon content – it is actually also known as ‘low carbon steel’. Although the range varies from source to source, low carbon steels typically contain between 0.05% and 0.25% carbon by weight, while high carbon steels are usually described as containing between 0.30% and 2.0% carbon.
  2. If more carbon is added than this, the steel will be classified as cast iron. Mild steel is not an alloying steel and therefore does not contain significant amounts of elements other than iron; you will not find significant amounts of chromium, molybdenum or other alloying elements in mild steel. Because of its relatively low carbon and alloying element content, it has several characteristics that set it apart from high carbon and alloyed steels.

How is Mild Steel Made?

Mild steel is manufactured in a similar way to other carbon steels. A common method is to combine iron ore and coal. Once the coal and iron ore have been mined from the earth, they are melted together in a blast furnace. After melting, the mixture is transferred to another furnace to burn off any impurities they may have, as well as making any other adjustments to the chemical composition of it. After this, the steel is allowed to solidify into a rectangular shape. This mild steel sheet is then usually reduced to the required size using a process known as hot rolling or cold drawing, although other methods are also available.

Common Applications of Mild Steel

Here are some examples of where it is used in the world:

  • Structural steel
  • Signs
  • Automobiles
  • Furniture
  • Decorations
  • Wire
  • Fencing
  • Nails

Characteristics of Mild Steel

  1. Mild steel annealed organization for ferrite and a small amount of pearlite, its strength and hardness is low, plasticity and toughness is good. Therefore, its cold forming good can be used to roll the edge, bending, stamping and other methods of cold forming. This steel has good weldability. Low carbon content of low carbon steel hardness is very low, poor machinability, normalised treatment can improve its machinability. It has a large tendency to age.
  2. It has both a quenching aging tendency and a deformation aging tendency. When the steel from high temperature faster cooling, ferrite in carbon, nitrogen in a supersaturated state, it can also be slowly formed at room temperature iron carbon and nitrogen, thus increasing the strength and hardness of steel, while plasticity and toughness is reduced, this phenomenon is called quenching aging. Low-carbon steel even if not quenched and air-cooled will also produce aging. Low-carbon steel by the deformation of a large number of dislocations, ferrite in the carbon, nitrogen atoms and dislocations occur in the elastic interaction, carbon, nitrogen atoms gathered around the dislocation line. This combination of carbon and nitrogen atoms and dislocation lines is called the age of Koch’s gas group (Koch’s gas group).
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