Niobium and niobium alloy wire is used in a variety of applications. These include sodium vapor light bulbs, capacitors, and jewelery. Admat’s offers various grades of wire, custom manufactured for each industry. Because of the very smooth surface finish and light oxide finish, Admat’s wire works exceptionally well in jewelry applications.
Niobium rods and billets are commonly used in the superconductor industry. Admat offers reactor grade Nb, RRR Niobium, and various niobium/titanium alloys for such markets.
| Wire (.005″ to .125″ dia) – Spooled or Coiled |
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| Diameter, inch (mm) |
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Typical Tolerance, +/- inch (mm) |
| 0.010 to 0.020 (0.25 to 0.51): |
0.0003 (0.008) |
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| 0.020 to 0.030 (0.51 to 0.76): |
0.0007 (0.018) |
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| 0.030 to 0.060 (0.76 to 1.52): |
0.001 (0.025) |
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| 0.060 to 0.125 (1.52 to 3.18): |
0.002 (0.050) |
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| Rod (>.080″ ) Straight Lengths |
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| Diameter, inch (mm) |
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Typical Tolerance, +/- inch (mm) |
| 0.060 to 0.125 (1.52 to 3.18): |
0.002 (0.050) |
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| 0.375 to 2.500 (3.18 to 63.5): |
1.5% of diameter |
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| Available Alloys |
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| Niobium |
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| Niobium 1% Zirconium |
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| Niobium 47% Titanium |
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| Niobium 50% Titanium |
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| Niobium 55% Titanium |
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| Niobium 30% Tantalum |
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| Niobium 10% Hafnium 1% Titanium |
| Typical Pure Niobium Chemistry |
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TYPE 1 |
TYPE 2 |
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Reactor Grade |
Commercial Grade |
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Unalloyed Niobium |
Unalloyed Niobium |
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| C |
<0.002 |
<0.002 |
| N |
<0.003 |
<0.003 |
| O |
<0.010 |
<0.010 |
| H |
<0.001 |
<0.001 |
| Zr |
<0.001 |
<0.001 |
| Ta |
<0.100 |
<0.100 |
| Fe |
<0.002 |
<0.002 |
| Si |
<0.003 |
<0.003 |
| W |
<0.002 |
<0.002 |
| Ni |
<0.001 |
<0.001 |
| Mo |
<0.002 |
<0.002 |
| Hf |
<0.002 |
<0.002 |
