On Sat, 19 Feb 2011 19:37:27 -0800, Rich Grise
wrote:

Of inconel and hastelloy, which would be closer to plain ol' ordinary
nichrome, like you'd use in a heating element?

All three are families of alloys that cover lots of territory. If you
pick a specific nichrome alloy you do a composition search on Matweb
to find the closest match.
http://www.matweb.com/search/CompositionSearch.aspx

--
Ned Simmons