What is cast iron?
Q: What is cast iron?
A: Cast iron is an alloy of iron that is usually referred to as grey cast iron.
Q: How many main types of cast iron are there?
A: There are two main types of cast iron: grey cast iron and white cast iron.
Q: What are the differences between grey cast iron and white cast iron based on?
A: The differences between the two are mainly based on the amount of silicon in the alloy.
Q: How much iron is in all cast iron?
A: All cast iron has about 95% iron in it.
Q: What is the amount of silicon present in grey cast iron?
A: Grey cast iron has 3% silicon and 2% carbon.
Q: What causes the carbon in grey cast iron to change into graphite?
A: The silicon in grey cast iron causes the carbon to change into graphite.
Q: Why is grey cast iron often used to make cookware?
A: Grey cast iron is very good at conducting heat, which makes it often used to make cookware.
