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Niobium – Custom Machined Parts
Pure niobium has good relatively machinability among refractory metals. The melting point of this metal is 2477 ℃, and also, it is superior in corrosion resistance. Comparing to tantalum, material that have high corrosion resistance, the cost of niobium is not so expensive.
Niobium - Properties
| Property(Unit) | Purity (％) |
Bulk Density (g/㎤) |
Vickers Hardness (GPa) |
Young’s Modulus (GPa) |
Melting Point (℃) |
recrystallizingtemperature (℃) |
Coefficient of ThermalExpansion (10-⁶/℃) |
Thermal Conductivity (W/(m・K)) |
Volume Resistivity (Ω･㎝) |
|---|---|---|---|---|---|---|---|---|---|
| Material | |||||||||
| Nb | 99.95～ | 8.47 | 0.5～0.8 | 103 | 2,415 | 900 ～ 1,400 |
7.1 (RT) |
52 (20℃) |
14.1×10-⁶ (20℃) |
Niobium – Key Properties & Popular Applications
| Key Properties | Applications | |
|---|---|---|
| High Melting Point Superconductivity Corrosion Resistance Biocompatibility |
・It can be used in high temperature |
・Parts that used in high temperature ・Parts that need high precision ・Parts that need corrosion resistance ・Superconducting magnet ・Superconducting wire |
| Good Machinability |
・Its good machinability enables us to machine in complex shape. ・Easy to weld comparing to tungsten or molybdenum |
|
| Chemical Resistance | ||
Available Sizes and Machining Capability
| Availability | Sizes（mm） | Machining Capability | Sizes（mm） |
|---|---|---|---|
| Plate | 500×800×30 | Hole diameter | Φ0.03～ |
| Rod | Φ100×500 | Hole depth | ～300 |
| Groove width | 0.1 or more | Max. hole number | ～10,000 |
| Max. Groove (pocket) depth | ～100 | Thread size | M1.6～ |
Niobium Custom Machined Parts
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Top Seiko Co., Ltd.
〒526-0105
1197-4, Hosoe-cho, Nagahama City,
Shiga Pref.,526-0105 Japan
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