| Product | Tungsten Wire (W Wire) |
|---|---|
| Part Number | TRM-W009 |
| Purity | 99.95% (Higher Purity available on request) |
| Surface | Polished or Black |
| Density | 19.25 g/cm3 |
| CAS# | 7440-33-7 |
Pure tungsten has a high melting temperature, high density, low vapor pressure, low thermal expansion, good thermal conductivity and electrical resistance. The typical purity is 99.95%, and higher purity 99.99% or 99.999% is available on request.
We can offer pure tungsten wire with various dimensions. Please contact us for the RFQ.
Application: Tungsten wire features a long life and super lighting efficiency. It is widely used for making various electron tubes, fluorescent lamps, auto lamps and other special lamps. It can also be used as the tungsten heater.
Order Information
Please include the following information with your inquires and orders:
1. Quantity
2. Dimensions/drawings
3. Surface: polished or black
Chemical Composition- Tungsten (W) 99.95% min.
| Element | Composition, max, % | Permissible Variations in Check Analysis, % |
|---|---|---|
| C | 0.01 | +/-0.002 |
| O | 0.01 | +10% relative |
| N | 0.01 | +0.001 |
| Fe | 0.01 | +0.001 |
| Ni | 0.01 | +0.001 |
| Si | 0.01 | +0.001 |
Please refer to the tungsten rods for larger sizes.
Standard Packing
In coils or on spools, and loaded in wooden boxes or carton boxes.
| Physical Properties | Tungsten (Atom#74) |
|---|---|
| Appearance | Grayish white, lustrous, solid |
| Melting Point | 3695 K (3422°C, 6192°F) |
| Boiling Point | 6203 K (5930°C, 10706°F) |
| Heat of Vaporization | 774 kJ/mol |
| Molar Heat Capacity | 224.27 J/(mol•K) |
