Common Grade: Duplex 2205
UNS: S32205 / S31803
EN: 1.4462
Chemical Composition (%)
| Element | Composition |
|---|---|
| Carbon (C) | 0.03 max |
| Manganese (Mn) | 2.00 max |
| Phosphorus (P) | 0.030 max |
| Sulphur (S) | 0.020 max |
| Nickel (Ni) | 4.5 – 6.5 |
| Chromium (Cr) | 21.0 – 23.0 |
| Molybdenum (Mo) | 2.5 – 3.5 |
| Nitrogen (N) | 0.08 – 0.20 |
| Iron (Fe) | Balance |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | ≥ 620 MPa |
| Yield Strength | ≥ 450 MPa |
| Elongation | ≥ 25 % |
| Hardness | ≤ 290 HB |
Equivalent Grades
UNS S32205 / S31803 | DIN EN 1.4462 | ASTM A182 F51 | ASTM A182 F60
Types Available
- Weld Neck
- Slip On
- Blind
- Socket Weld
- Lap Joint
Manufacturing Standards
- ASTM A182
- ASME SA 182
- ASME B16.5
- ASME B16.47
- EN 1092-1
Pressure Class
- Class 150
- Class 300
- Class 600
- Class 900
- Class 1500
- Class 2500
Surface Finish
- Machined Finish
- Pickled & Passivated
- Polished Finish (on request)
Applications
- Oil & gas pipelines
- Chemical & petrochemical industries
- Power plants & refineries
- Marine & offshore applications
- Water treatment plants
- Food processing & pharmaceutical industries