I have a slab on grade (Concrete Floor) and I am replacing the floor tile. The soil pipe stands just over a half inch proud. It is cast iron. How can I fix the height overage so that the new flange is flush with the floor level? Pictures below...

http://www.bryand.com/images/toilet/T1sm.jpg

http://www.bryand.com/images/toilet/T2sm.jpg

http://www.bryand.com/images/toilet/T3sm.jpg

http://www.bryand.com/images/toilet/T5sm.jpg

Was the flange flush when the old tile was still in place, won't it be flush again with the new tile?

No it was not flush before, I had actually place a wooden platform and 2 wax rings under the toilet as a temporary stop gap.

You can cut the pipe with a flush cutting Saws All. Let's ask Speedball to give you the best flange for your application. Speedball may see this yet today but likely tomorrow.