Home > Duplex Steel > Duplex Steel S32205 Pipe
Based in the heart of Kinshasa, Okoye Nickel Alloys stands as a dedicated partner for industry, specializing in the supply of high-performance Duplex Steel Pipes S32205. We understand the rigorous demands of modern engineering and are committed to providing materials that offer exceptional strength and durability. Our focus is on delivering reliable solutions that meet the specific challenges faced by projects across the Congo and beyond, ensuring quality and resilience where it matters most.
The strength of Duplex Steel S32205 comes from its balanced composition of chromium, nickel, molybdenum, and nitrogen. This blend gives it a mixed microstructure that provides an excellent combination of high strength and impressive toughness. These pipes resist stress corrosion cracking exceptionally well and offer good resistance to pitting and crevice corrosion, making them significantly stronger than standard stainless steels while maintaining good weldability and formability.
| 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 | – |
| S32205 | 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 |
| S32205 | 95 [655] | 65 [450] | 25 | 290 |
| S32750 | 116 [800] | 80 [550] | 15 | 300 |
At Okoye Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Steel S32205 Pipe in Kinshasa, Congo, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Congo, 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.
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These properties make Duplex Steel Pipes S32205 incredibly versatile, ideal for demanding environments where both strength and corrosion resistance are non-negotiable. They are widely used in the oil and gas industry for pipelines and process piping, in chemical and petrochemical plants handling aggressive media, and in marine and offshore applications for seawater systems. Their reliability also makes them a preferred choice for power generation and pollution control equipment, ensuring long service life under challenging conditions.
