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Formula: W 80/Cu 20
Form: Tube
Material: Tungsten/Copper
Commodity: Alloys
Wall Thickness: 0.13mm
Inside Diameter: 0.24mm
Outside Diameter: 0.5mm

Tungsten/Copper Alloy Tube (W80/Cu20)

Tungsten Copper Alloy Tube (W80/Cu20) offers high arc resistance, dimensional stability, and wear endurance from its 80% tungsten content, combined with copper’s efficient electrical and thermal conductivity. The tubular form enables integration into high-performance systems where both conduction and mechanical resilience are critical. Industries such as aerospace, defense, and high-voltage power systems employ W80/Cu20 tubes in rocket propulsion, plasma-facing components, and heavy-current conductors. Specific uses include thermal management conduits in aerospace electronics, EDM tubing, and current-carrying structures in pulsed-power systems. In research, W80/Cu20 tubes are studied for bonding between tungsten and copper phases, performance under thermal shock, and erosion resistance. Their ability to combine high conductivity with toughness ensures long-term value in propulsion, defense electronics, and demanding energy technologies.
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Tolerances

Tube
Outside Diameter =<2mm ±0.05mm
Outside Diameter 2mm - 5mm ±0.1mm
Outside Diameter >5mm ±5%
Wall Thickness ±10%

Material Properties for Alloys

Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 4.1
Temperature coefficient( K⁻¹ ) -
Physical Properties
Element Value
Density( gcm⁻³ ) 15.4
Mechanical Properties
Element Value
Tensile strength( MPa ) 675
Thermal Properties
Element Value
Thermal conductivity( W m⁻¹ K⁻¹ ) 145@23°C

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