[TheForge] Re: File Making, sniffing up wrought iron

[Andrew Vida]

Ekaterina Harrison wrote:
> What is the difference between iron that 
> is cast and what you are referring to as pure iron?

	Simplistically speaking - carbon content makes the difference.  Cast 
irons contain about 4% carbon.  Pure iron contains effectively zero 
carbon.  This makes a very big difference in the mechanical properties 
of the two materials.