Home > Duplex Steel > Duplex Steel S31803 Bars
Located in the heart of Kinshasa, Okoye Nickel Alloys stands as a dedicated source for high-performance materials, proudly supplying Duplex Steel S31803 Bars. We understand the demanding environments faced by local industries, which is why we provide this superior alloy, known for its exceptional strength and corrosion resistance. Our commitment ensures that our clients receive material that not only meets rigorous international standards but also contributes directly to the robustness and longevity of their critical projects.
Duplex Steel S31803 bars are engineered for resilience, combining a refined composition of chromium, nickel, molybdenum, and nitrogen. This balanced blend gives the material its defining characteristic: a mixed microstructure that delivers both high tensile and yield strength, far exceeding common stainless steels. It also possesses excellent toughness and strong resistance to stress corrosion cracking, making it a reliably robust choice for components that face significant pressure and harsh conditions.
| Standards | ASTM/ASME SA276/A479 |
|---|---|
| Werkstoff Nr | 1.4462 |
| Range | 10 mm To 350 mm Dia |
| Finish | Bright, Black & Polish |
| Form | Round, Square, Hex (A/F), Rectangle, Wire (Coil Form), Wire-mesh, Billet, Ingot, Forging Etc. |
| Grades | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
| S31803 | 7.805 | 0.285 | 1420 – 1465 | 2588 – 2669 |
| UNS S32205 | Ni | Cr | Mo | Mn | Si | C | N | S | P | Fe |
| min | 4.5 | 22.0 | 3.0 | – | – | – | 0.14 | – | – | – |
| max | 6.5 | 23.0 | 3.5 | 2.0 | 1.0 | 0.03 | 0.2 | 0.02 | 0.03 | Balance |
At Okoye Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Steel S31803 Bars 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 unique combination of strength and corrosion resistance makes these bars ideal for a wide range of challenging applications. They are frequently specified for components in offshore and marine environments, such as pump shafts and valve stems, where saltwater is a constant threat. Within industrial settings, they are essential for chemical processing equipment, pressure vessels, and structural parts in pulp and paper plants, consistently performing where both durability and resistance to aggressive chemicals are non-negotiable.
