here are the popular phrases from work...
there's the right way, the wrong way, and the railway...
if a hammer & pipewrench don't work, the smoke wrench will
for that last one, sometimes combining all 3 works well, torch it until it glows, put the pipe wrench on it and hit the pipe wrench with the hammer real hard. for the really tough jobs, we have the 48" pipe wrench and the 20lb hammers... :-laf