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Formula: W
Form: Wire
Material: Tungsten
CAS Number: 7440-33-7
Commodity: Metals
Percentage Purity:
99.95%
Tungsten Spooled Wire is a product offered by Goodfellow within their range of wires. With 425 variations, this wire provides a robust and versatile option for a variety of scientific and industrial applications. The high density and hardness of tungsten make this wire well suited for filaments in incandescent light bulbs. Additionally, the strength and thermal resistance of tungsten wire at high temperatures make it useful for electrical contacts in switching devices. With its unique properties, Tungsten Spooled Wire serves as a crucial material across many sectors.
Tolerances
Wire
| Diameter | ±10% | |
|---|---|---|
| Length | +5% / -1% |
Material Properties for Metals
Atomic Properties
| Element | Value |
|---|---|
| Atomic number | 74 |
| Crystal structure | Body centred cubic |
| Electronic structure | Xe 4f¹⁴ 5d⁴ 6s² |
| Valences shown | 2,3,4,5,6 |
| Atomic weight( amu ) | 183.85 |
| Thermal neutron absorption cross-section( Barns ) | 18.5 |
| Photo-electric work function( eV ) | 4.55 |
| Natural isotope distribution( Mass No./% ) | 183/ 14.3 |
| Natural isotope distribution( Mass No./% ) | 182/ 26.3 |
| Natural isotope distribution( Mass No./% ) | 186/ 28.6 |
| Natural isotope distribution( Mass No./% ) | 180/ 0.1 |
| Natural isotope distribution( Mass No./% ) | 184/ 30.7 |
| Atomic radius - Goldschmidt( nm ) | 0.141 |
| Ionisation potential( No./eV ) | 1/ 7.98 |
| Ionisation potential( No./eV ) | 2/ 17.7 |
Mechanical Properties
| Element | Value |
|---|---|
| Material condition | Soft |
| Material condition | Hard |
| Poisson's ratio | 0.28 |
| Poisson's ratio | 0.28 |
| Bulk modulus( GPa ) | 311 |
| Bulk modulus( GPa ) | 311 |
| Tensile modulus( GPa ) | 411 |
| Tensile modulus( GPa ) | 411 |
| Hardness - Vickers( kgf mm⁻² ) | 360 |
| Hardness - Vickers( kgf mm⁻² ) | 500 |
| Tensile strength( MPa ) | 550-620 |
| Tensile strength( MPa ) | 1920 |
| Yield strength( MPa ) | 550 |
Electrical Properties
| Element | Value |
|---|---|
| Electrical resistivity( µOhmcm ) | 5.4@20@20°C |
| Superconductivity critical temperature( K ) | 0.0154 |
| Temperature coefficient( K⁻¹ ) | 0.0048@0-100°C |
| Thermal emf against Pt (cold 0C - hot 100C)( mV ) | 1.12 |
Physical Properties
| Element | Value |
|---|---|
| Boiling point( C ) | 5660 |
| Density( gcm⁻³ ) | 19.3@20°C |
Thermal Properties
| Element | Value |
|---|---|
| Melting point( C ) | 3410 |
| Latent heat of evaporation( J g⁻¹ ) | 4009 |
| Latent heat of fusion( J g⁻¹ ) | 192 |
| Specific heat( J K⁻¹ kg⁻¹ ) | 133@25°C |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 173@0-100°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 4.5@0-100°C |
Other Customers Purchased
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Tungsten Spooled Wire Formula: W
Percentage Purity: 99.95%
Product Shape: Spooled
Diameter: 0.15mm
Length: 500m
Type: Clean
CAS Number: 7440-33-7
UOM Code: 402-797-21
£430.98eachDiscounts applied for volume purchases -
Tungsten Spooled Wire Formula: W
Percentage Purity: 99.95%
Product Shape: Spooled
Diameter: 0.08mm
Length: 250m
Type: Clean
CAS Number: 7440-33-7
UOM Code: 396-591-07
£221.13eachDiscounts applied for volume purchases -
Tungsten Spooled Wire Formula: W
Percentage Purity: 99.95%
Product Shape: Spooled
Diameter: 0.25mm
Length: 500m
Type: Clean
CAS Number: 7440-33-7
UOM Code: 403-675-34
£744.32eachDiscounts applied for volume purchases -
Tungsten Spooled Wire Formula: W
Percentage Purity: 99.95%
Product Shape: Spooled
Diameter: 0.125mm
Length: 200m
Type: Clean
CAS Number: 7440-33-7
UOM Code: 401-459-71
£249.74eachDiscounts applied for volume purchases -
Tungsten Spooled Wire Formula: W
Percentage Purity: 99.95%
Product Shape: Spooled
Diameter: 0.75mm
Length: 2m
Type: Clean
CAS Number: 7440-33-7
UOM Code: 403-082-23
£171.55eachDiscounts applied for volume purchases -
Tungsten Spooled Wire Formula: W
Percentage Purity: 99.95%
Product Shape: Spooled
Diameter: 0.175mm
Length: 5m
Type: Clean
CAS Number: 7440-33-7
UOM Code: 404-876-10
£158.64eachDiscounts applied for volume purchases
