EngiRef / Stainless Steel Properties
2205 Duplex Stainless Steel
2205 Duplex Stainless Steel (UNS S32205 / S31803): stainless steel engineering material. Density 7820 kg/m³. Yield 515 MPa, ultimate 750 MPa.
stainless-steel
Specification
- Name
- 2205 Duplex Stainless Steel
- Category
- stainless-steel
- Designation
- UNS S32205 / S31803
- Applications
- Chemical tankers, Heat exchangers, Pressure vessels, Offshore platforms
- Notes
- Duplex (austenitic-ferritic). High strength. Excellent stress corrosion cracking resistance.
Properties
| Property | Value |
|---|---|
| Density | 7820 kg/m³ |
| Tensile Strength Yield | 515 MPa |
| Tensile Strength Ultimate | 750 MPa |
| Elastic Modulus | 200 GPa |
| Shear Modulus | 77 GPa |
| Poissons Ratio | 0.3 |
| Thermal Conductivity | 19 W/(m·K) |
| Thermal Expansion | 13 µm/(m·K) |
| Specific Heat | 480 J/(kg·K) |
| Melting Point | 1385 °C |
| Hardness | Brinell: 290, Rockwell C: C31 |