I like to aurgue for no reason as well!
Sooo. NC cams is for the most part right, you might have a point about the carbon silicon, but at this point your just being argumentative (got to love that

).
Sure all steel (for the most part) is Iron but like NC said if you try to get information or try to purchase 4130 iron(an example nothing more) people ma look at you a bit different!