Home > Duplex Steel > Duplex Tube Fittings
From the heart of Kinshasa, Okoye Nickel Alloys stands as a dedicated partner to industry, expertly manufacturing and supplying Duplex Tube Fittings. We understand that the integrity of your piping systems is paramount, which is why our focus is on delivering components that offer exceptional strength and corrosion resistance. Trust in our local expertise and commitment to quality for fittings that are built to perform reliably in the most demanding environments, supporting the robust infrastructure projects that drive progress across the region and beyond.
Our Duplex Tube Fittings are crafted from a unique stainless steel that blends austenitic and ferritic structures, primarily composed of chromium, nickel, molybdenum, and nitrogen. This specific composition grants them a remarkable combination of high mechanical strength, similar to super duplex grades, and excellent toughness. They are significantly stronger than standard stainless steels and offer outstanding resistance to stress corrosion cracking, making them a robust choice for containing high pressures and withstanding mechanical stress.
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| Test & Certification | ECE R110, EC-79, NACE MR0175/ISO 15156 and MR0103. | ||||
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| DENSITY | MELTING POINT | TENSILE STRESS | YIELD STRESS (0.2%OFFSET) | ELONGATION |
| 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 116000 , MPa – 800 | Psi – 80000 , MPa – 550 | 15 % |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Hastelloy Tube Fittings | 8.89 g/cm3 | 1370 °C (2500 °F) | Psi – 1,15,000 , MPa – 790 | Psi – 52,000 , MPa – 355 | 40 % |
At Okoye Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Tube Fittings 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 exceptional properties of Duplex Tube Fittings make them indispensable for challenging applications, particularly within the oil and gas industry for processing corrosive fluids and offshore platforms. They are also widely used in chemical and petrochemical plants, in seawater desalination systems where chloride resistance is critical, and in pulp and paper production. Essentially, wherever harsh chemicals, high pressures, or saline environments threaten standard materials, these fittings provide a durable and long-lasting solution for a safe and efficient piping network.
