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Formula: W
Form: Washer
Material: Tungsten
CAS Number: 7440-33-7
Commodity: Metals
Thickness:
1mm
Tungsten Washer from Goodfellow come in a range of 13 variations for use with bolts and screws. This hard, dense metal exhibits excellent tensile strength, corrosion resistance, high melting point, and low thermal expansion. Tungsten Washer are utilized in high temperature applications like rocket nozzles, turbine blades, and electrical contacts. The range of sizes and thicknesses allow for customizable use with various bolts and in specific applications requiring durability at extreme temperatures.
Tolerances
Washer
| Size | See item |
|---|
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: 0.08mm
Length: 5m
Type: Clean
CAS Number: 7440-33-7
UOM Code: 016-981-50
eachStarting at $212.84
Discounts applied for volume purchases -
Platinum Plated Tungsten Spooled Wire Formula: W
Percentage Purity: 99.95%
Product Shape: Spooled
Diameter: 0.03mm
Length: 1m
Coating: Platinum Plated coated
CAS Number: 7440-33-7
UOM Code: 164-325-45
eachStarting at $391.43
Discounts applied for volume purchases -
Tungsten Powder Formula: W
Percentage Purity: 99.9%
Maximum Particle Size: 100µm
Weight: 50g
CAS Number: 7440-33-7
UOM Code: 033-713-52
eachStarting at $277.70
Discounts applied for volume purchases -
Tungsten Foil Formula: W
Percentage Purity: 99.95%
Thickness: 5mm
Length 1: 60mm
Length 2: 65mm
CAS Number: 7440-33-7
UOM Code: 011-242-88
eachStarting at $164.57
Discounts applied for volume purchases -
Tungsten Rod Formula: W
Percentage Purity: 99.95%
Diameter: 6.35mm
Length: 1000mm
Production Method: Centreless Ground
CAS Number: 7440-33-7
UOM Code: 000-457-40
eachStarting at $240.70
Discounts applied for volume purchases -
Tungsten Tube Formula: W
Percentage Purity: 99.95%
Outside Diameter: 1.6mm
Wall Thickness: 0.5mm
Inside Diameter: 0.6mm
Length: 10mm
CAS Number: 7440-33-7
UOM Code: 748-026-87
eachStarting at $399.66
Discounts applied for volume purchases
