Stainless steel Duplex 2205 (F51)
Purchase and sale of Duplex 2205 (F51) scrap and turnings for European consumers and foundries. Fast quotations and collection across the whole territory.
Austenitic-ferritic (duplex) stainless steel with 22% chromium: combines high mechanical strength and excellent resistance to stress and pitting corrosion. Markets: oil & gas, chemical, desalination, marine structures.
- Forms scrap · turnings · tubes · bars
- Density 7.80 g/cm³
- Structure austenitic-ferritic
Main elements
| Chromium (Cr) | 21.0 – 23.0 % |
|---|---|
| Nickel (Ni) | 4.5 – 6.5 % |
| Molybdenum (Mo) | 2.5 – 3.5 % |
| Nitrogen (N) | 0.08 – 0.20 % |
| Manganese (Mn) | ≤ 2.0 % |
| Carbon (C) | ≤ 0.03 % |
| Iron (Fe) | balance |
Indicative values per EN 10088 / ASTM A240 / ASTM A182 (F51/F60). The actual composition is certified for each batch.
Physical and mechanical data
| Density | 7.80 g/cm³ |
|---|---|
| Tensile strength Rm | 640 – 840 MPa |
| Yield strength Rp0.2 | ≥ 450 MPa |
| Elongation A | ≥ 25 % |
| Hardness | ≤ 290 HB (≈ 30 HRC) |
| PREN | ≈ 34 – 36 |
| Structure | duplex (≈ 50% ferrite / 50% austenite) |
Properties refer to the solution-annealed condition; indicative values.
Where our Duplex 2205 (F51) ends up.
Oil & Gas
Piping, manifolds and high-pressure offshore components.
Chemical and petrochemical
Tanks, exchangers and lines for chloride environments.
Desalination
Water-treatment plants and marine exchangers.
Marine structures
Structural components exposed to brackish water.
Pulp & paper
Equipment for digesters and bleaching plants.
Pressure vessel
Pressure vessels requiring high strength.
We collect Duplex 2205 (F51) in every form.
Bulk scrap
Sheets, flanges, tubes, offcuts and production cut-offs.
Turnings
Machining chips, loose or in bales/briquettes.
Bars and tubes
Bar ends for reuse and production residues, also certified.
Ingots and casting residues
Foundry material and casting residues.
Have Duplex 2205 (F51) to sell?
Send us the material, approximate quantity and collection area: we will reply with a fast and competitive quotation.
Tel +41 91 9856992
Mobile +39 3494906948
contacts@giulianimetalli.com