It's not... It's very common and therfore is easy to obtain
As It's extracted in the blast furnace .. the process is relatively cheap therfore making the rock cheaper :D
Iron is ridiculously expensive. It costs £20.98
Yesyes
During the manufacture of Cast Iron, an intermediate product is Pig Iron. Further processing results in Cast Iron.
yes,
malleable cast iron has temper graphite
Iron is ridiculously expensive. It costs £20.98
Yesyes
gold is more expensive than iron simply because iron is more common and gold is also a purer metal
A ceramic digital curling iron
Yes, it is not expensive.
totalySilver is very expensive compared to other elements such as iron or steel, and is the most expensive after gold.
i dont know but i know it is more expensive than iron :)
yes
it's harder to make
Iron isn't used that often in airplanes because it isextremely heavy, and brittle. Not to mention expensive.
New improved methods for smelting iron led to production of less expensive and better quality iron.
it was $150 per square inch.