C17200 Beryllium Copper

cu-c17200

C17200 Beryllium Copper

copper

UNS C17200 / Alloy 25

{
  "density": {
    "value": 8250,
    "unit": "kg/m³"
  },
  "tensileStrengthYield": {
    "value": 1035,
    "unit": "MPa"
  },
  "tensileStrengthUltimate": {
    "value": 1310,
    "unit": "MPa"
  },
  "elasticModulus": {
    "value": 131,
    "unit": "GPa"
  },
  "shearModulus": {
    "value": 50,
    "unit": "GPa"
  },
  "poissonsRatio": 0.3,
  "thermalConductivity": {
    "value": 115,
    "unit": "W/(m·K)"
  },
  "thermalExpansion": {
    "value": 17,
    "unit": "µm/(m·K)"
  },
  "specificHeat": {
    "value": 420,
    "unit": "J/(kg·K)"
  },
  "meltingPoint": {
    "value": 870,
    "min": 870,
    "max": 980,
    "unit": "°C"
  },
  "hardness": {
    "brinell": 370,
    "rockwellC": "C40"
  },
  "electricalResistivity": {
    "value": 7.7e-8,
    "unit": "Ω·m"
  }
}

Springs, Electrical contacts, Non-sparking tools, Mold inserts

Highest strength copper alloy. Age hardenable. Expensive due to beryllium content.