Making Commerative Coins

  • Forge and tools, propane
  • Metal roller
  • Hydraulic press
  • Disc cutter, reeded collar die and stamping die
  • Burnisher
  • Oxy-Acetylene Torch ~3,500 °C / 6,300 °F - Requires oxygen + acetylene tanks.
  • No. 4 or larger tip
  • Victor Journeyman 450 Torch Set
  • Smith Little Torch with Oxy-Acetylene Setup (Jewelry-grade)

💡 Use a small graphite or ceramic crucible. Keep flame neutral (not oxidizing) to avoid carbon contamination.

  • Crucible: Graphite or high-alumina ceramic (rated ≥1700 °C)
  • Mold: Graphite molds for bars, or investment molds for casting jewelry (use lost wax casting if you want detailed shapes).
  • Flux: Use a stainless-compatible flux (borax + silica blend) to minimize oxidation.
  • Full face shield, heatproof gloves, leather apron
  • Use outdoors or with a fume hood
  • Ventilation for chromium fumes (stainless steel releases hexavalent chromium when overheated)
  • Keep water and moisture far away from molten metal
  

📝 📜 ⏱️ ⬆️