Guilds/Alpha/Metal Treatment
- Steel: Shiny Stainless: 100s gravel
- Sun Steel: Corrosion Resistant Insulative: 45s saltpeter, 8s coal (pigsty)
- Sun Steel: Stainless Insulative: 45s saltpeter, 8s coal, 8s gravel (reinforced kiln)
- Iron: Hard, Corrosion Resistant, Nontoxic: 100 Coal