20, 40 and 80.
Schedule 10 , 40 and 120
Depends on how long the pipe is
3/32
Buy a 3" MECHANICAL COUPLING at any hardware or plumbing store. Made of rubber and has hose clamps.
Schedule 40 PVC pipe. Legal in all residential and up to 3 story commercial applications.
Given long enough, all the water in the world.
Considering the waste inlet of the pipe of this pipe should be 4" possibly 3" you can buy an inside cast iron cutter .=You must measure the inside diameter and then buy /rent the one for the size you need THEN you can buy a new cast iron floor flange and use either a caulked joint (lead and oakum) or possibly a quick set type if the cast iron is no hub or standard weight=
Iron, Nickel, Cobalt
Iron can acquire a charge of +2 or +3 as an ion. The +2 charge is more common and is known as ferrous ion, while the +3 charge is less common and is known as ferric ion.
A small stick of dynamite comes to mind
If it were mine I would chip out the concrete down to the point where the pipe is solid then I would install a new closet flange.
Iron (Fe)