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Hakan Nickel Alloys, located in Istanbul, Turkey, is a reliable manufacturer and supplier of top-notch stainless steel piping solutions, including Duplex Steel 2205 Pipes. These pipes are designed to provide exceptional corrosion resistance, impressive strength, and long-lasting reliability, even in tough operating conditions. Crafted to adhere to international quality standards and available in various sizes, schedules, and lengths, Duplex Steel 2205 Pipes from Hakan Nickel Alloys find extensive use in sectors like oil and gas, chemical processing, marine applications, desalination, and structural engineering.
Constructed from UNS S32205, a nitrogen-enhanced duplex stainless steel, Duplex Steel 2205 contains around 22% chromium, 5–6% nickel, and 3% molybdenum, all while maintaining a balanced ferrite-austenite microstructure. This unique composition ensures outstanding resistance to pitting, crevice corrosion, and chloride stress corrosion cracking. On the mechanical side, Duplex 2205 boasts high yield and tensile strength—almost double that of traditional austenitic stainless steels—along with excellent toughness, weldability, and fatigue resistance, even in high-pressure or corrosive settings.
| Specifications | Cr | Ni | Mo | N | Mn | W | Cu |
| 2101 LDX | 21.5 | 1.5 | 0.3 | 0.22 | 5 | – | – |
| DX2202 | 23 | 2.5 | 0.3 | 0.2 | 1.5 | – | – |
| RDN 903 | 20 | 1.8 | 0.2 | 0.11 | 4.2 | – | – |
| 2304 | 23 | 4.8 | 0.3 | 0.10 | – | – | – |
| 2205 | 22 | 5.7 | 3.1 | 0.17 | – | – | – |
| Grade | C≤ | Mn≤ | P≤ | S≤ | Si≤ | Ni | Cr | Mo | N | Cu |
| S31803 | 0.03 | 2.00 | 0.03 | 0.02 | 1.00 | 4.5–6.5 | 21.0–23.0 | 2.5–3.5 | 0.08–0.20 | – |
| 2205 | 0.03 | 2.00 | 0.03 | 0.02 | 1.00 | 4.5–6.5 | 22.0–23.0 | 3.0–3.5 | 0.14–0.20 | – |
| S32750 | 0.03 | 1.20 | 0.035 | 0.02 | 0.80 | 6.0-8.0 | 24.0-26.0 | 3.0-5.0 | 0.24-0.32 | 0.5 |
| Mechanical properties | Tensile,min,ksi[MPa] | Yield,min,ksi[MPa] | Elongation,%(min) | Hardness,HB(max) |
| S31803 | 90 [620] | 65 [450] | 25 | 290 |
| 2205 | 95 [655] | 65 [450] | 25 | 290 |
| S32750 | 116 [800] | 80 [550] | 15 | 300 |
At Hakan Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Steel 2205 Pipe in Istanbul, Turkey, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Turkey, allowing us to maintain a vast inventory of over 16,000 tons of premium-quality materials readily available in stock. We are dedicated to delivering superior products and services, ensuring reliability and excellence for our global clientele.
Contact us to get a quick quote for your requirement.
Duplex Steel 2205 Pipes are perfect for applications where both mechanical strength and corrosion resistance are essential. Common uses include piping systems in offshore oil rigs, chemical plants, pressure vessels, heat exchangers, water treatment facilities, and marine infrastructure. These pipes excel at transporting aggressive chemicals, seawater, and other corrosive fluids under significant stress. Their long service life, cost-effectiveness, and reduced wall thickness requirements make Duplex Steel 2205 Pipes a go-to choice for engineers and project developers in demanding industries.