Home > Duplex Steel > Duplex Steel S31803 Tubing
Located in the industrious heart of Kinshasa, Okoye Nickel Alloys stands as a dedicated source for high-performance materials, meeting the rigorous demands of the region’s key sectors. We specialize in supplying Duplex Steel S31803 Tubing, a product engineered for resilience in challenging environments. Our commitment is to provide not just a product, but a reliable partnership, ensuring that our clients have access to tubing that delivers superior strength and corrosion resistance, supporting the critical work that drives progress throughout the Congo and beyond.
Duplex Steel S31803 achieves its renowned durability through a balanced composition of chromium, nickel, molybdenum, and nitrogen. This unique blend gives the tubing an exceptional combination of high tensile and yield strength, along with impressive toughness. It essentially bridges the gap between the properties of common austenitic and ferritic steels, offering a material that is significantly stronger than standard stainless steels while maintaining excellent resistance to stress corrosion cracking, a common failure point in many demanding applications.
| Specifications | : | ASTM A789 ASME SA789 |
| Dimensions | : | ASTM, ASME and API |
| Tube Size | : | 1/2″NB TO 12 “NB IN |
| Specialized in | : | Large Diameter Size |
| Schedule | : | SCH20, SCH30, SCH40, STD, SCH80 |
| Type | : | Seamless / ERW / Welded / Fabricated |
| Form | : | Round, Hydraulic Etc |
| Length | : | Single Random, Double Random & Cut Length. |
| End | : | Plain End, Beveled End, Treaded |
| S31803 | C | N | P | Si | Mn | Mo | Fe | Cr | S | Ni |
| 1.0 | 0.03 | 0.02 | 2.0 | 3.0 – 3.5 | 22.0 – 23.0 | 0.03 | 4.5 – 6.5 | 0.14 – 0.2 | Bal |
| S31803 | Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
| 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80000 , MPa – 550 | Psi – 116000 , MPa – 800 | 15 % |
At Okoye Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Steel S31803 Tubing 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 robust nature of Duplex Steel S31803 Tubing makes it an ideal choice for challenging environments. You’ll commonly find it serving critical roles in the oil and gas industry, handling corrosive offshore seawater and aggressive well fluids. It’s also essential in chemical processing plants for piping systems, in desalination units converting seawater to freshwater, and in pulp and paper production. Essentially, wherever there’s a need for a material that can withstand both high pressure and corrosive attack, this tubing provides a dependable and long-lasting solution.
