Niobium and Nb-Alloys
Niobium
Atomic Symbol: Nb
Atomic Number: 41
Meltling Point: 4474.4°F/2468°C
Density: 8.57g/cm3
Marketech International, Inc. is a premium supplier of niobium and Nb-Alloys. We supply only the highest quality niobium and Nb-alloys at competitive pricing. All material sold is certifiable and supplied to customer specifications. Our materials are used across the globe for aerospace, defense, medical, energy, electronic, industrial and commercial applications. Partnering with our extensive network of global suppliers, we sell all forms of niobium and Nb-Alloys in a wide range of compositions.
Marketech also specializes in the machining of niobium and other refractory metals. Please visit the machining section of our website to learn about our capabilities and services offered.
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Our sales staff offers superior customer service and technical expertise, offering hard-to-find materials at competitive pricing.
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| Niobium Powders | Niobium Rods | ||
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| Niobium Pentoxide Powders | Niobium Sheets |
Niobium Pentoxide Powders, Niobium Powders and Bars
| Niobium Pentoxide | Niobium Powders & Bars | ||||||
| Nb205-1 | Nb205-2 | Nb205-3 | Nb-1 | Nb-2 | Nb-3 | ||
| Impurities (%) max. | Ta | 0.05 | 0.10 | 0.30 | 0.2 | 0.25-0.5 | 2.0 |
| Ti | 0.001 | 0.004 | 0.01 | 0.003-0.005 | 0.005-0.10 | - | |
| W | 0.003 | 0.01 | 0.03 | 0.005 | 0.01 | - | |
| Mo | 0.002 | 0.005 | - | 0.003-0.005 | 0.005 | - | |
| Fe | 0.005 | 0.02 | 0.04 | 0.005-0.01 | 0.03-0.05 | 0.1 | |
| Si | 0.005 | 0.02 | 0.04 | 0.005 | 0.006-0.01 | 0.03 | |
| F | 0.1 | 0.15 | 0.15 | - | - | - | |
| Particle Size | 2-3um (FSSS), -60 mesh | -80, -100 mesh | |||||
| Dimension (mm) | - | 20 x 20 x Length on required | |||||
| Appearance Color | White or light yellow powder | Dark gray powder | |||||
| Applications | For niobium powders, niobium bars and ceramic capacitors, etc. | For superconductor and additives of welding electrodes and alloys, etc. | |||||
Niobium and Tantalum Sheets & Rods
| Niobium Materials | Ta Materials | ||||||
| Impurities (%) max. | Ta | 0.15 | - | ||||
| Nb | - | 0.005-0.03 | |||||
| Si | 0.003 | 0.0025 | |||||
| W | 0.006 | 0.0015-0.008 | |||||
| Mo | 0.005 | 0.001-0.003 | |||||
| Fe | 0.005 | 0.0015-0.004 | |||||
| Ti | 0.005 | 0.001 | |||||
| N | 0.01 | 0.004 | |||||
| C | 0.006 | 0.005 | |||||
| O | 0.01 | 0.015 | |||||
| Dimension for Sheets(mm) | Length: max. 2000 Width: max. 400 Thickness: 0.1-15 |
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| Dimension for Rods (mm) | 3-54 (Diameter) x Length on required | ||||||
| Applications | Suitable for heating elements and heatproof screens in high-temperature vacuum furnaces and tantalum crucibles, etc. | ||||||
