Cast iron
Yes they can. Iron doors are very hard but not hard enough.....
Yes.
Iron
its not hard enough
Hard...
No, iron pyrite, unlike iron, is not malleable at all. It is a hard, inflexible rock.
. Examples of hard magnets are Aluminum-Nickel-Cobalt (Alnicos) and Strontium-Iron (Ferrites, also known as Ceramics).
you can wipe out your entire hard drive
- Iron is very cheap- Iron is easily processed
hard
For one, iron can rust and is very hard.