Spehro Pefhany wrote:

Other than buying a huge $8-10K horizontal or guillotine bandsaw, can
you guys think of any way of slicing a 12.5" diameter cylinder of
metal stock into 2-4" thick disks? I don't really care if it takes all
day to do it. This would get used once in a blue moon. Weight of the
piece is probably more than 700lb.

Make your saw any size you want!

http://www.mooseforge.com/library/powerhacksaw.pdf
http://www.use-enco.com/CGI/INLMK32?PARTPG=INSRAR2

--Winston