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Okoye Nickel Alloys is a trusted manufacturer and supplier based in Kinshasa, Congo, specializing in a wide range of high performance alloys known for their commitment to quality and customer satisfaction that they offer unique solutions in nickel alloys, stainless steel, and other specialty materials Niobium in their offerings The bar is, the corrosion resistance It is known for its outstanding resistance, high strength and excellent performance at extreme temperatures. Okoye Nickel Alloys ensures consistency and reliability in all its products by meeting global industry standards.
Niobium (Nb) bar are essentially 99.9% pure niobium, with trace amounts of oxygen, carbon and nitrogen. Mechanically, niobium exhibits excellent corrosion resistance, high melting point (2,477°C), and good ductility even at elevated temperatures. It also exhibits superior strength and toughness, especially under cryogenic conditions. The material is non-magnetic and highly resistant to oxidation and wear. Advantages of niobium foils include excellent thermal stability, resistance to environmental corrosion, and applications in aerospace, electronics, nuclear reactors and other applications, where durability and production are required works well.
| Standards : | ASTM B392, ASME SB392 |
| Dimensions : | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Wire : | Thickness starting from 0.05mm |
| Round bar size : | Diameter: 3-~800mm |
| Hex Bar size : | 2-100mm A/F |
| Flat bar size : | Thickness: 2 -100mm / Width: 10 to 500mm |
| Square bar size : | 4 to 100mm |
| Rectangular Bars Size : | 33 x 30mm to 295 x 1066mm |
| Hollow Bar : | 32mm OD x 16mm ID to 250mm OD x 200mm ID |
| Tolerance : | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements |
| Finish : | Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish |
| Element | Niobium R04200 | Niobium R04210 | Nb-1%Zirconium R04251 | Nb-1%Zirconium R04261 |
| C | 0.01 | 0.01 | 0.01 | 0.01 |
| N | 0.01 | 0.01 | 0.01 | 0.01 |
| O | 0.015 | 0.025 | 0.015 | 0.025 |
| H | 0.0015 | 0.0015 | 0.0015 | 0.0015 |
| Zr | 0.02 | 0.02 | 0.8 to 1.2 | 0.8 to 1.2 |
| Ta | 0.1 | 0.3 | 0.1 | 0.5 |
| Fe | 0.005 | 0.01 | 0.005 | 0.01 |
| S | 0.005 | 0.005 | 0.005 | 0.005 |
| W | 0.03 | 0.05 | 0.03 | 0.05 |
| Ni | 0.005 | 0.005 | 0.005 | 0.005 |
| Mo | 0.010 | 0.020 | 0.010 | 0.050 |
| Hf | 0.02 | 0.02 | 0.02 | 0.02 |
| Ti | 0.02 | 0.03 | 0.02 | 0.03 |
| B | 2ppm | – | 2ppm | – |
| Al | 0.002 | 0.005 | 0.002 | 0.005 |
| Be | 0.005 | – | 0.005 | – |
| Cr | 0.002 | – | 0.002 | – |
| C | 0.002 | – | 0.002 |
| Grade | Ultimate Tensile Strength, Min, Psi(MPa) | Yield Strength, Psi(MPa) | Elongation min %,mm |
| Types 1 and 2 | 18 000 (125) | 10 500 (73) | 20 |
| Types 3 and 4 | 28 000 (195) | 18 000 (125) | 15 |
At Okoye Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Niobium Bar 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.
Niobium Bar are widely used in industries requiring high strength, corrosion resistance and thermal stability. They are commonly used in the aerospace industry, such as the manufacture of rocket engine, aircraft and jet turbine parts, due to their ability to withstand extreme temperatures Niobium Bar are used for the manufacture of ultra-tough materials, medical devices and high-performance compounds. Also, it is used in the electronics industry for capacitors and resistors, as well as jewelery due to hypoallergenic properties.
