An iron pot is primarily made of iron, which is a chemical element with the symbol Fe. However, it's not just pure iron. Iron pots are usually made of cast iron, which is an alloy of iron with a small amount of carbon (typically 2-4%). This carbon content gives cast iron its strength, durability, and ability to hold heat well.

Sometimes, iron pots can also include other trace elements like:

* Silicon: Improves castability

* Manganese: Improves strength and wear resistance

* Phosphorus: Improves machinability

* Sulfur: Helps with fluidity during casting

So while the main component is iron, the specific blend of elements creates the characteristics that make a good iron pot.