ISO14001 High Temperature Niobium Products Niobium Wire Wear Resisting
Product Detail
Product Description
Niobium wire is made of niobium bar. First, rolling niobium bar to the right size, acid pickling surface of niobium rods to remove oil and impurities, and then clean with clear water, trim both ends of the niobium rod, then clean again. Finally, according to the actual needs, to trim and stretch for many times, until get the right size of the niobium wire.
Advantage:
1) good superconductivity material
2) Higher melting point
3) Better Corrosion Resitance
4) Better wear-resisting
Specification
Chemical composition
| Chemistry % | |||||||||||||
| Designation | Chief component | Impurities maximum | |||||||||||
| Nb | Fe | Si | Ni | W | Mo | Ti | Ta | O | C | H | N | ||
| Nb1 | Remainder | 0.004 | 0.003 | 0.002 | 0.004 | 0.004 | 0.002 | 0.07 | 0.015 | 0.004 | 0.0015 | 0.002 | |
| Nb2 | Remainder | 0.02 | 0.02 | 0.005 | 0.02 | 0.02 | 0.005 | 0.15 | 0.03 | 0.01 | 0.0015 |
|
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Mechanical requirements (annealed condition)
| Grade |
Tensile |
Yield strength δ0.2, psi (MPa),≥ |
Elongation in 1"/2" gage length, |
|
RO4200 |
18000 (125) | 12000 (85) |
25 |
Dimension and Tolerance
| Dia | Tolerancet | Roundness |
| 0.2-0.5 | ±0.007 | 0.005 |
| 0.5-1.0 | ±0.01 | 0.01 |
| 1.0-1.5 | ±0.02 | 0.02 |
| 1.5-3.0 | ±0.03 | 0.03 |
Production Process
Application
1. Used for sapphire single crystal growth furnace;
2. Applied for quartz glass melting furnace;
3. Used for rare earth smelting furnace;
4. Used for sintering metal mold of high melting point;
5. Widely used in other following industries:
Ceramics and metallurgical industries, machinery processing and light dustries.
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