Gray Cast Iron (Class 30)

cast-iron-gray

Gray Cast Iron (Class 30)

cast-iron

ASTM A48 Class 30

{
  "density": {
    "value": 7150,
    "unit": "kg/m³"
  },
  "tensileStrengthUltimate": {
    "value": 214,
    "unit": "MPa"
  },
  "elasticModulus": {
    "value": 100,
    "unit": "GPa"
  },
  "poissonsRatio": 0.26,
  "thermalConductivity": {
    "value": 46,
    "unit": "W/(m·K)"
  },
  "thermalExpansion": {
    "value": 10.8,
    "unit": "µm/(m·K)"
  },
  "specificHeat": {
    "value": 490,
    "unit": "J/(kg·K)"
  },
  "meltingPoint": {
    "value": 1175,
    "min": 1150,
    "max": 1200,
    "unit": "°C"
  },
  "hardness": {
    "brinell": 210
  }
}

Engine blocks, Brake rotors, Machine bases, Pipe, Cookware

Graphite flakes. Excellent damping. Good machinability. Brittle, no yield strength.