[Bubba Ho-Tep]

You don’t need oxy acetylene to melt steel enough to make it malleable. Look up “Sherman’s neckties.” During the Civil War, railroad rails were laid across bonfires, then picked up at either end and twisted or bent around trees. Civil War re-enactors do it and you can find videos on Youtube

[editor-surveyor]

You don’t need acetylene, but you do need lots of oxygen.