Posted by Glen of Idaho [72.173.32.39] on Tuesday, June 19, 2012 at 21:12:15 :
In Reply to: Bending Cast Iron posted by gmharris [71.105.37.91] on Tuesday, June 19, 2012 at 20:46:46 :
for grey and mailable. When you reach critical you have to counter the natural tendency for cracking. Practice on a cast plumbing ell and see what happens.
Follow Ups: