Is most easily accomplished with a snap (chain cutter) this tool is not in the DIY'er's toolbox because it costs so much. Your other option is to use special carbide sawzall blades. (get a few, depending on how many cuts you will be making) A deep cut porta-band saw also will cut cast pipe with the right blade. Make sure you support the pipe when making a cut. After your hub is cut off you can easily adapt to pvc or no hub cast-iron by using a mission band or fernco band.

What is the no hub remaining adapter that you are talking about? Since I posted this message I gone and broke off the 1 1/2 inch pipe right where it nears the large (3"?) pipe which dives under the concrete floor. All that I have remaining is a mangled nub of about 3" in length. What I prefer to do is get the remaining nub out of the coupler. So can I chip the pipe out or am I bound to be left with what I presently have?

Thank you,

Andre

I can't see what ur doing from my house. U asked how to cut cast pipe and i gave u a detailed reply, If this plumbing is beyond ur reach (expertise) I recommend u call in a plumber.

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My guess is you have a lead joint. Try melting out the old pipe without destroying the hub. If you have the room, cut off the hub above the floor, then you can adapt to various sizes with the bands i mentioned previously.