I think you'd find that the basis of those questions is false, as we've been trying to tell you in this thread.
Sort of like, if the moon is made of cheese, as reports on the internet suggest, why wouldn't we just put a base there, since we'd have unlimited food?
We would.... but it's not.
UncleNick, assigned staff of this forum and reloading Professor Master Ninja Samurai, may be along shortly. He has previously posted quite a dissertation on why steel doesn't work so well. He can most certainly give you a very technical break-down of the why's and why not's of it all.