{
  "type": "alloy_smelter:smelting",
  "ingredients": [
    {
      "ingredient": { "item": "minecraft:raw_iron" },
      "count": 3
    },
    {
      "ingredient": { "item": "minecraft:raw_iron" },
      "count": 3
    }
  ],
  "result": {
    "id": "minecraft:iron_ingot",
    "count": 12
  },
  "smeltingTime": 500,
  "fuelPerTick": 3,
  "requiredTier": 3
}