High-strength dual-phase austenitic-ferritic stainless steel flanges and forged fittings. Double the yield strength of 316L with high resistance to stress corrosion cracking.
| Grade / Element | Carbon (C) | Chromium (Cr) | Nickel (Ni) | Molybdenum (Mo) | Other Elements |
|---|---|---|---|---|---|
| Duplex 2205 (F51/F60) | 0.03 max | 22.0 - 23.0 | 4.5 - 6.5 | 3.0 - 3.5 | N 0.14 - 0.20 (PREN 34+) |
| Property | Tensile Strength (MPa) | Yield Strength 0.2% (MPa) | Elongation (%) | Hardness (HB / HRB) |
|---|---|---|---|---|
| Duplex 2205 Annealed | 620 min | 450 min | 25% min | 290 HB max |
High-pressure sour gas lines and offshore subsea manifold flanges.
Duplex 2205 has a yield strength of 450 MPa, nearly double that of standard SS 316L (205 MPa).
Delivering precision-engineered flanges, pipes, and forged steel components designed for strength, durability, and performance in critical high-pressure industrial applications.