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Okoye Nickel Alloys is a leading provider of high-quality Niobium Sheets and Plates in Kinshasa, Congo. Renowned for their exceptional properties, Niobium Sheets and Plates are highly valued in industries such as aerospace, medical, and chemical processing. These materials offer excellent corrosion resistance, high melting points, and superior strength, making them ideal for applications like jet engine components, medical implants, and chemical storage equipment. With a commitment to delivering reliable and durable alloy solutions, these Niobium products are tailored to meet diverse industrial needs, ensuring optimal performance in challenging environments and maintaining the highest standards of quality and precision.
Niobium Sheets and Plates are composed of a minimum of 99.5% pure Niobium, with trace elements including Tantalum (up to 0.1%), Titanium (up to 0.04%), and Zirconium (up to 0.02%). These materials exhibit exceptional mechanical properties, including a tensile strength of approximately 275 MPa and a yield strength of around 140 MPa. They offer excellent ductility with an elongation rate of 20-30%, and their high melting point of 2,468°C ensures outstanding thermal stability. Niobium Sheets and Plates are highly corrosion-resistant, particularly in acidic environments, making them ideal for aerospace, medical, and chemical processing applications that demand durability and reliability.
| Grade : | Nb1,NbZr,R04200 |
| Standard : | ASTM B393-05 |
| Purity : | 99.95% |
| Specialize sheets : | Shim, Perforated Sheet, B. Q. Profile. |
| Size: | Thick 0.1mm min.W680mm max. L3000mm max |
| Finish : | Cold rolled sheet (CR), 2D, Hot rolled plate (HR), 2B, BA NO(8), SATIN (Met with Plastic Coated) |
| Hardness : | Quarter Hard, Soft, Hard, Half Hard, Spring Hard etc. |
| Applications : | Semiconductor materials, vacuum coating, sintering trays and boats, special chemical applications. |
| STANDARD | UNS | Material No |
| Niobium | R04200 | – |
| Element | Type 1 (Reactor Grade Unalloyed Nb) R04200 | Type 2 (Commercial Grade Unalloyed Nb) R04210 | Type 3 (Reactor Grade Nb-1%Nb) R04251 | Type 4 (Commercial Grade Nb-1%Nb) R04261 |
| Max Weight % (Except Where Otherwise Specified) | ||||
| 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 – 1.2 | 0.8 – 1.2 |
| Ta | 0.1 | 0.3 | 0.1 | 0.5 |
| Fe | 0.005 | 0.01 | 0.005 | 0.01 |
| Si | 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 |
| Grade Chart | Tensile Ultimate Strength, Minimum,psi(MPa) | Yield Strength Minimum, psi (MPa) | Elongation in 1-inch | |
| 0.010 inch or Greater | Less Than 0.010 inch | |||
| Types 1 and 2 | 18 000 (125) | 10 500 (73) | 20 | 15 |
| Types 3 and 4 | 28 000 (195) | 18 000 (125) | 20 | 15 |
At Okoye Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Niobium Sheet and Plates 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 Sheets and Plates are widely used across various industries due to their exceptional properties. In the aerospace sector, they are utilized in jet engines, rocket components, and heat shields for their high-temperature resistance. The medical field employs niobium for surgical implants and medical devices because of its biocompatibility and corrosion resistance. In chemical processing, they are used for lining reactors, storage tanks, and heat exchangers due to their durability in acidic environments. Additionally, niobium’s superconducting properties make it vital in the production of superconducting magnets for particle accelerators and MRI machines. These versatile materials ensure reliability in demanding applications.
