Varieties of Iron



Iron is used in three commercial varieties.

 

a. Cast Iron or Pig Iron:-

It is the most impure from of iron and contains two-five percent impurity mainly carbon. This from is hard and brittle. It is used in making gutter pipes, furniture gutter cover (manhole)

 

b. Wroght Iron:-

It is the purest form of iron and contains 0.12-0.25% impurity. It is soft and malleable. It is used in black smith. It is used in making agricultural tools, chains, anchor, etc.

 

c. Steel:-

 

It is intermediate from of iron and contains 0.5-1.2% impurity mainly carbon. It is mostly used as construction materials, etc.

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