How To Make The Metal Foundry . Steel Melting Furnace. In this video, we show our longest-running steelmaking furnace project. The home foundry was made from an old gas cylinder. The furnace is ...

nice. i built one out of a old helium balloon tank & used the refractory formula from backyardmetalcasting.com. propane is definitely the way to go. charcoal was a mess. i haven't calculated the ...