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Themba Nickel Alloys, based in Cape Town, Cape Town, is a reputed manufacturer and supplier of high-quality Niobium Bars. Known for its excellence in non-ferrous metal production, the company ensures premium-grade niobium products that meet international standards of purity and performance. Their Niobium Bars are crafted using advanced metallurgical techniques, ensuring superior consistency, durability, and corrosion resistance. With a strong focus on precision engineering and quality assurance, Themba Nickel Alloys serves a wide range of industries including aerospace, electronics, chemical processing, and energy sectors across local and global markets.
Niobium Bars are composed primarily of niobium (Nb ≥ 99.9%) with trace elements such as tantalum, tungsten, and titanium. These bars exhibit exceptional corrosion resistance, particularly against acids and alkalis. Mechanically, they offer a tensile strength of approximately 275 MPa, excellent ductility, and a melting point of 2477°C. The material also provides high thermal conductivity, low thermal expansion, and good formability, making it suitable for both high-temperature and high-stress environments. Its purity and mechanical stability make it ideal for precision industrial applications.
| 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 Themban Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Niobium Bar in Cape Town , South Africa, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Cape Town, 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 Bars are widely used in industries requiring materials with exceptional strength, heat resistance, and corrosion protection. They are utilized in the production of superconducting materials, aerospace engine components, and chemical processing equipment. Niobium’s ability to form stable oxides makes it valuable in electronic capacitors and high-performance alloys. In nuclear and energy sectors, niobium bars are used in reactor parts and heat-resistant structural materials. Additionally, they serve as additives in steel and superalloy manufacturing, enhancing toughness and resistance to extreme conditions, ensuring long-lasting performance in demanding environments.
