Okoye Nickel Alloys is a reliable manufacturer and supplier of Incoloy 825 Tubing based in Kinshasa, Congo. They offer top-notch tubing that stands out for its remarkable corrosion resistance, impressive strength, and long-lasting durability. These tubes are crafted with precision from high-grade Incoloy 825 alloy, ensuring they perform reliably even in the toughest chemical, industrial, marine, and offshore environments. Okoye Nickel Alloys provides Incoloy 825 Tubing in a variety of sizes, wall thicknesses, and forms, including both seamless and welded options, all produced to meet international quality standards. Their products cater to industries like chemical processing, oil and gas, power generation, marine engineering, and wastewater treatment.
Incoloy 825 Tubing is mainly made from a nickel-iron-chromium alloy, enhanced with molybdenum, copper, and titanium, which boosts its mechanical strength, high-temperature resistance, and corrosion resistance. This unique composition offers excellent protection against oxidizing and reducing acids, environments with chlorides, and stress corrosion cracking. The tubing boasts a tensile strength of around 690–830 MPa and a yield strength of 275–380 MPa, along with good ductility, ensuring it remains tough, stable, and reliable even under extreme conditions.
| Standard | ASTM B423, B705 / ASME SB 423, SB 705 |
| Standard | ASTM, ASME and API |
| Size | 15 NB UP TO 600 NB IN SCH 5S, 10S,10, 20, 40S, 40, STD, 60, 80S, 80, XS, 100, 120, 140, 160 & XXS |
| Length | Single Random, Double Random & Required Length, Cut Length |
| End | Plain End, Beveled End, Treaded |
| Inconel 825 | Min |
| Ni | 38.0 – 46.0 |
| C | 0.05 max |
| Mn | 1.0 max |
| Si | 0.5 max |
| Cr | 19.5 – 23.5 |
| Fe | 22.0 min |
| Al | 0.2 max |
| Ti | 0.6 – 1.2 |
| cu | 1.5 – 3.0 |
| S | 0.015 max |
| Element | Inconel 825 |
| Density | 8.14 g/cm3 |
| Melting Point | 1400 °C (2550 °F) |
| Tensile Strength | Psi – 80,000 , MPa – 550 |
| Yield Strength (0.2%Offset) | Psi – 32,000 , MPa –220 |
| Elongation | 30 % |
| Hardness (Brinell) | – |
At Okoye Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Incoloy 825 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.
Incoloy 825 Tubing is widely utilized in situations that demand corrosion-resistant, heat-tolerant, and durable piping solutions. It’s perfect for heat exchangers, chemical process piping, power plants, oil refineries, marine systems, and offshore applications. These tubes deliver leak-proof, long-lasting performance in environments that face acids, salts, high pressures, and elevated temperatures. Thanks to their outstanding mechanical properties, corrosion resistance, and longevity, Incoloy 825 Tubing guarantees dependable, maintenance-free performance in critical industrial, marine, and chemical processing settings.
