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Sayam Nickel Alloys is a reputed manufacturer and supplier of Duplex Steel 2205 Pipes in Hyderabad, delivering high-strength and corrosion-resistant piping solutions for demanding industrial applications. Manufactured using advanced production methods and premium-quality raw materials, these pipes ensure excellent dimensional accuracy, durability, and consistent performance. Sayam Nickel Alloys follows stringent quality control practices and international standards to meet diverse customer requirements. Their Duplex Steel 2205 pipes are widely used in industries where resistance to pressure, corrosion, and harsh operating conditions is critical.
| 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 |
Duplex Steel 2205 Pipes are made from an alloy with a balanced microstructure of approximately equal parts austenite and ferrite. The composition includes chromium, nickel, molybdenum, and nitrogen, providing excellent corrosion resistance and high mechanical strength. High chromium and molybdenum content enhance resistance to pitting, crevice corrosion, and stress corrosion cracking. Mechanically, 2205 pipes offer high yield strength, superior tensile strength, and good toughness, allowing reliable performance under high pressure and elevated temperatures.
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Duplex Steel 2205 Pipes are widely used in oil and gas pipelines, petrochemical plants, chemical processing units, and power generation systems. They are also extensively applied in offshore platforms, marine engineering, desalination plants, and heat exchangers. Due to their excellent resistance to chlorides and aggressive environments, these pipes are ideal for transporting corrosive fluids and gases. Duplex Steel 2205 pipes are commonly used in pressure vessels, structural piping, and industrial fluid handling systems requiring long service life and operational safety.
