TYPES OF IRON

PIG IRON:
The first process of iron ore smelting gives, it is the shape of pig iron, and few impurities are removed.

CAST IRON:
After, the 2nd process by mixing of sulfur, phosphors, and lime stone it changes its shape as cast iron.

WROUGHT IRON:
To make the cast iron more pure, limestone and manganese is used in the third process, and it is converted into the bars, known as Wrought Iron.

STAINLESS STEEL:
It is known as best quality of iron. To make wrought iron more pure strong and bright during the fourth process, the chromium, nickel and tungsten, are used, and converted into stainless steel.
  

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