There's basically one: if you're cutting thick steel plate—not aluminum, not stainless. You need a ferrous material or else ...

See oxy gas cutting used to cut precise bevels on a Caterpillar D11 ripper shank. A practical look at weld preparation in heavy equipment workshops. Why is proper beveling so important? Trump dials ...

Watch a broken D11 ripper shank being carefully cut using oxy gas and a beetle torch, highlighting safe techniques in heavy ...