Galvanizing Engineer Interview Question:

Tell me what is the difference between Wrought iron, Cast iron and Pig iron?

Submitted by: Muhammad

Wrought iron contains less than 0.1% carbon and this is a product of puddling furnace. Cast iron is produced from cupola furnace. It contains 3­3.5% carbon in combined or free state. Pig iron is an iron carbon alloy contains 3­5% carbon along with impurities like manganese, sulphur and phosphorous. It is a product of blast furnace.
Submitted by: Muhammad