Theres a source.
Looking for a place to buy cast Iron in bar or plate. Sizes up to 24X18X3 inches
CNC Mini Lathe Plans and Rotary Table kits:
MGB had some imported - maybe you could PM him.
Consistency is a good thing....unless you're consistently an idiot.
Midwest Alloys They have gray or ,ductel in plate,bar ,round and tube can saw about any size you want there in the chicago ill. they call it durabar at least the stuf I use
not sure this 800# is still good 800-526-0548 or 815-338-3800 ask for sales I talk too melissa @ ext#142 happy hunting Kevin