When it comes to potentially dangerous workshop equipment, it's generally not a great idea to cut corners. The last thing you want is a half-baked soldering iron that either barely heats up or ...
Soldering can get ... other hand uses the soldering iron. It solves a long-running problem for [mulcmu], after their experiments with techniques inspired by TIG welding came to nought.
It has even been pressed into service plastic-welding a damaged motorcycle fairing ... So if you are looking for a soldering iron, I can heartily recommend the Weller Magnastat as one that ...