Two-phase ferritic-austenitic microstructure with approximately 22% chromium and 3% molybdenum for superior corrosion resistance.
Yield strength approximately twice that of standard austenitic stainless steels such as 304 and 316.
Outstanding resistance to chloride-induced stress corrosion cracking, pitting, and crevice corrosion.
Excellent weldability and fabricability with good fatigue strength for demanding applications
Duplex 2205/ S31803/1.4462/F51
Duplex 2205 is a widely used stainless steel known for its high strength and excellent corrosion resistance. As a professional duplex 2205 supplier, Hengyi Metal provides high-quality materials with competitive prices and fast delivery
For more technical comparison, please check our Duplex 2205 vs 2507 Supplier
Learn the difference in our 316L vs 2205 Duplex Stainless Steel
We are also a professional stainless steel supplier offering a wide range of alloy materials.
Looking for a reliable duplex 2205 supplier?
Hengyi Metal offers high-quality stainless steel products with competitive pricing and fast delivery
Contact us now for a quotation
Email: sales@hengyimetal.com
WhatsApp: +86 19521258704
We supply Duplex 2205 in various forms:
– Duplex 2205 Plate / Sheet
– Duplex 2205 Pipe / Tube
– Duplex 2205 Bar / Rod
– Duplex 2205 Flanges & Fittings
Duplex 2205 is widely used in:
– Oil & Gas Industry
– Chemical Processing
– Marine Engineering
– Pressure Vessels
– Heat Exchangers
Specifications & Designations
| Standard | Designation |
|---|---|
| UNS | S31803, S32205 |
| W.n.r(Germany) | 1.4462 |
| EN/DIN | X2CrNiMoN22.5.3 |
| ASTM | A276, A182 (F51 / F60) |
| BS (British) | 318S13 |
| AFNOR | Z2CND22.05Az |
| Other Designations | SAF 2205, Sandvik 2205, Cronifer 2205 LCN |
Chemical Composition
| Element | Content (%) |
|---|---|
| Carbon (C) | 0.03 max |
| Silicon (Si) | 1.00 max |
| Manganese (Mn) | 2.00 max |
| Phosphorus (P) | 0.03 max |
| Sulfur (S) | 0.02 max |
| Chromium (Cr) | 21.0 – 23.0 |
| Nickel (Ni) | 4.5 – 6.5 |
| Molybdenum (Mo) | 2.5 – 3.5 |
| Nitrogen (N) | 0.10 – 0.22 |
| Iron (Fe) | Balance |
Mechanical Properties (Annealed)
| Property | Typical Value | |
|---|---|---|
| Tensile Strength | 620 – 750 MPa (90 – 109 ksi) | |
| Yield Strength (0.2% Offset) | 450 – 510 MPa (65 – 74 ksi) | |
| Elongation | 25 – 35% | |
| Hardness | < 270 HB / < 28 HRC | |
| Impact Strength (Room Temp) | 80 J (average) | |
| Impact Strength (-46°C) | 45 – 80 J |
