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Based in the heart of Kinshasa, Okoye Nickel Alloys stands as a dedicated manufacturer and supplier of high-performance materials built to tackle the most demanding industrial challenges. We specialize in providing robust Duplex Steel S32205 Flanges, delivering a product that combines exceptional strength with superior corrosion resistance. Our commitment is to supply components that not only meet stringent international standards but also contribute to the longevity and reliability of critical infrastructure and processing systems across Congo and beyond, ensuring our clients can build with confidence.
Crafted from a precise blend of chromium, nickel, molybdenum, and nitrogen, Duplex Steel S32205 Flanges offer a remarkable balance. This unique composition gives them a dual-phase microstructure that merges the best qualities of austenitic and ferritic steels. The result is a flange with impressive mechanical properties, including very high tensile and yield strength—often double that of standard stainless steels—along with excellent toughness. This makes them capable of withstanding significant pressure and stress in challenging environments without sacrificing durability.
| Specifications | ASTM A182 / ASME SA182 |
| Size | 1/8″ NB TO 24″ NB |
| Standards | ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc |
| Class / Pressure | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
| Standard | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc |
| Grades | S31803 / S32205 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61 |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| S32205 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 21.0 – 23.0 | 2.50 – 3.50 | 4.50 – 6.50 | 0.8 – 0.20 | 63.54 min |
| Grades | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
| S32205 | 7.805 | 0.285 | 1420 – 1465 | 2588 – 2669 |
At Okoye Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Steel S32205 Flanges 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.
Contact us to get a quick quote for your requirement.
The strength and corrosion resistance of Duplex Steel S32205 Flanges make them indispensable in tough applications. You’ll find them connecting pipelines in offshore oil and gas platforms, where they resist saltwater pitting, and within chemical processing plants handling aggressive acids. They are also crucial in desalination units, pulp and paper production, and pollution control systems. Essentially, these flanges are the preferred choice anywhere high chloride corrosion, pressure, and mechanical stress are everyday realities, ensuring secure and long-lasting connections in systems where failure is not an option.
