EngiRef / Materials

17-4 PH Stainless Steel

stainless-steel

stainless-steel

Source Details

Id

ss-17-4ph

Name

17-4 PH Stainless Steel

Category

stainless-steel

Designation

AISI 630 / UNS S17400

Properties
{
  "density": {
    "value": 7750,
    "unit": "kg/m³"
  },
  "tensileStrengthYield": {
    "value": 1170,
    "unit": "MPa"
  },
  "tensileStrengthUltimate": {
    "value": 1310,
    "unit": "MPa"
  },
  "elasticModulus": {
    "value": 197,
    "unit": "GPa"
  },
  "shearModulus": {
    "value": 77.2,
    "unit": "GPa"
  },
  "poissonsRatio": 0.27,
  "thermalConductivity": {
    "value": 18.4,
    "unit": "W/(m·K)"
  },
  "thermalExpansion": {
    "value": 10.8,
    "unit": "µm/(m·K)"
  },
  "specificHeat": {
    "value": 460,
    "unit": "J/(kg·K)"
  },
  "meltingPoint": {
    "value": 1400,
    "min": 1400,
    "max": 1440,
    "unit": "°C"
  },
  "hardness": {
    "brinell": 388,
    "rockwellC": "C40"
  }
}
Applications

Aerospace components, Chemical processing, Nuclear waste casks

Notes

Precipitation hardening. Very high strength with good corrosion resistance.