EngiRef / Materials

2205 Duplex Stainless Steel

stainless-steel

stainless-steel

Source Details

Id

ss-2205

Name

2205 Duplex Stainless Steel

Category

stainless-steel

Designation

UNS S32205 / S31803

Properties
{
  "density": {
    "value": 7820,
    "unit": "kg/m³"
  },
  "tensileStrengthYield": {
    "value": 515,
    "unit": "MPa"
  },
  "tensileStrengthUltimate": {
    "value": 750,
    "unit": "MPa"
  },
  "elasticModulus": {
    "value": 200,
    "unit": "GPa"
  },
  "shearModulus": {
    "value": 77,
    "unit": "GPa"
  },
  "poissonsRatio": 0.3,
  "thermalConductivity": {
    "value": 19,
    "unit": "W/(m·K)"
  },
  "thermalExpansion": {
    "value": 13,
    "unit": "µm/(m·K)"
  },
  "specificHeat": {
    "value": 480,
    "unit": "J/(kg·K)"
  },
  "meltingPoint": {
    "value": 1385,
    "unit": "°C"
  },
  "hardness": {
    "brinell": 290,
    "rockwellC": "C31"
  }
}
Applications

Chemical tankers, Heat exchangers, Pressure vessels, Offshore platforms

Notes

Duplex (austenitic-ferritic). High strength. Excellent stress corrosion cracking resistance.