blackeagle603 wrote:charcoal, ore, flux...
Voila! Smelter.
That's a video I have seen before and I actually swapped a couple of emails with the creator, a bladesmith with amazing talent called Jesus Hernandez.
He's a doctor in the US, but Spanish by birth, so I asked him about bladesmithing forums and suppliers in Spain. He wasn't able to be much help but is a very friendly and very modest guy.
I have thought about making my own steel, and in fact when I designed my forge I specified it to be quite tall so that it could be used for ' oroshigane' which is adding carbon to steel in a kind of smelting 'lite' process the japs use to adjust the properties of the raw tamagahane. I haven't actually tried that yet because I only just started making my own charcoal - the process will use bucketloads of the stuff and it wouldn't be economic to use the store bought variety.
Tamagahane is the holy grail of knifemaking steels for Japanese style blade construction, and I have seen reports of it selling for $2k a pound

( but then anything to do with Jap blades comes at an eye watering price )
Of course it isn't as good as modern steels, not even close, but we are talking aesthetic form over function and I have to say the grain pattern it shows is beautiful and unique.
Smelting is definitely an option for the future, but not right now.