{
  "type": "tfc:alloy",
  "contents": [
    {
      "metal": "tfc:copper",
      "max": 0.80,
      "min": 0.40
    },
    {
      "metal": "tfc:nickel",
      "max": 0.60,
      "min": 0.20
    }
  ],
  "result": "gtceu:cupronickel"
}