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Tungsten Spooled Wire
Available Configurations
Properties common to all products in this list
| Purity | Diameter | Length | Temper Options | Type Options | Special Variants |
|---|---|---|---|---|---|
| 99.95% | 0.004mm to 1.2mm | 0.1m to 12,500m | Hard | Clean | Straight, Grade 1 |
Need custom configurations? Please contact our Technical Solutions team.
Key Features
Tungsten wire possesses a combination of material characteristics that make it particularly well suited for aerospace, electronics, scientific instrumentation, and high-temperature manufacturing:
High Melting Point (3,422 °C)
Tungsten has the highest melting point of all metals, making it indispensable for extreme temperature applications. It retains its structure in aerospace propulsion systems, vacuum furnaces, and thermionic emitters.
Exceptional Density (19.25 g/cm³)
Its high density provides structural stability and mass efficiency, ideal for aerospace counterweights, radiation shielding, and high-precision inertial components.
High Tensile Strength & Mechanical Stability
Tungsten wire offers outstanding tensile strength and stiffness, resisting deformation, fatigue, and creep even under prolonged stress. This makes it suitable for demanding structural and electronic applications.
Dimensional Stability at High Temperatures
Tungsten wire expands very little when heated and maintains its shape even in extreme thermal environments. This makes it ideal for precision systems like electron beam sources, vacuum furnaces, and semiconductor tools.
Excellent Electrical & Thermal Conductivity
Tungsten conducts electricity and heat efficiently, especially at elevated temperatures. This makes it suitable for thermocouples, high-temperature electrical contacts, and RF/microwave vacuum devices like magnetrons and travelling wave tubes.
Corrosion Resistance & Chemical Stability
Tungsten is chemically inert at room temperature and resists attack from most acids and alkalis. It remains stable in aggressive environments, ensuring long-term reliability in chemically reactive or corrosive systems.
Extreme Hardness & Wear Resistance
Tungsten wire is highly resistant to abrasion and mechanical wear. It is ideal for probe pins, cutting tools, and other high-durability applications requiring long service life and minimal material degradation.
Industrial Applications
High-purity tungsten wire is an important material across advanced industries due to its exceptional melting point, tensile strength, dimensional stability, and resistance to thermal and chemical degradation:
- ✦ Aerospace & Space Systems
- Used in ion propulsion systems, high-temperature structural supports, and RF components such as travelling wave tubes (TWTs) and klystrons. Its low vapour pressure and thermal resilience ensure performance in vacuum and radiation-intensive environments.
- ✦ Electronics & Vacuum Devices
- Essential in vacuum electron devices, thermionic emitters, and high-intensity discharge lamps, where its low vapour pressure and high electrical resistance enable stable operation under extreme heat and vacuum conditions.
- ✦ Lighting & Thermal Processing
- Widely used in halogen lamps, specialty incandescent lighting, and vacuum furnaces. Its ability to maintain its shape and conduct at extreme temperatures makes it ideal for filaments and heating elements.
- ✦ Medical & Scientific Instrumentation
- Applied in scanning electron microscopes (SEMs), precision probes, and temperature sensors. Its biocompatibility, density, and corrosion resistance support its use in surgical tools and analytical instruments.
- ✦ Industrial Welding & Fabrication
- Used in TIG welding electrodes and furnace components, where its hardness, oxidation resistance, and thermal conductivity ensure consistent performance in demanding manufacturing environments.
- ✦ Microscopy & Imaging Systems
- Ultra-fine tungsten wires are critical in electron emission sources for SEMs and other imaging systems. Their precision and conductivity enable high-resolution imaging and stable electron flow in scientific and industrial applications.
Mentions in Scientific Literature
Goodfellow's tungsten wire features prominently in research including but not exclusive to domains such as:
Advanced Microscopy Probe Fabrication, used to electrochemically etch sharp nanotips for advanced techniques like low-temperature scanning tunnelling microscopy, spectroscopy, and time-resolved electron imaging
[1–2]
.
Electron Beam Optics & Imaging, used as thin wires in advanced imaging techniques like electron holography and point-projection microscopy to study how electrons behave and interact
[2]
.
Water Purification Using Plasma, used as high-voltage electrodes to create corona plasma, which helps break down harmful substances like pharmaceuticals and bacteria in water
[3–5]
.
Medical Imaging System Characterisation, used as ultra-pure wires in test models to measure image sharpness and resolution in breast CT scanners
[6–7]
.
Plasma Research in Research and Industry, used as probe tips in tools that measure key properties of plasma in devices such as magnetrons and fusion reactors
[8]
.
Preparing Brain Tissue Samples, used in precision cutting tools to slice thin sections of brain tissue for neuroscience research
[9]
.
Across these disciplines researchers have utilised our tungsten wires as
electrochemically etched nanotips for scanning tunnelling microscopy and time-resolved electron imaging
[1–2]
,
high-voltage corona discharge electrodes for plasma-based water treatment
[3–5]
,
resolution test phantoms for CT imaging system characterisation
[6–7]
,
Langmuir probe tips for plasma diagnostics in magnetrons and fusion devices
[8]
, and
vibratome cutting wires for preparation of brain tissue sections in neuroscience
[9]
— applications that all benefit from tungsten's exceptional purity, high melting point, and suitability for precise fabrication.
References & Citations
Click to expand
- Schuster, J. (2018). Corrole- and Helicene-based functional Molecules studied by DC and AC Scanning Tunnelling Microscopy. JKU Linz. https://epub.jku.at/urn:nbn:at:at-ubl:1-21496
- Bainbridge, A., & Robert. (n.d.). Nanoscale metal tips as an electron source for time-resolved microscopy and diffraction. https://core.ac.uk/download/pdf/161880944.pdf
- Banaschik, R., Jablonowski, H., Bednarski, P. J., & Kolb, J. F. (2018). Degradation and intermediates of diclofenac as instructive example for decomposition of recalcitrant pharmaceuticals by hydroxyl radicals generated with pulsed corona plasma in water. Journal of Hazardous Materials, 342, 651–660. https://doi.org/10.1016/j.jhazmat.2017.08.058
- Banaschik, R., Gerhard Burchhardt, Zocher, K., Hammerschmidt, S., Kolb, J. F., & Klaus-Dieter Weltmann. (2016). Comparison of pulsed corona plasma and pulsed electric fields for the decontamination of water containing Legionella pneumophila as model organism. Bioelectrochemistry, 112, 83–90. https://doi.org/10.1016/j.bioelechem.2016.05.006
- Banaschik, R., Lukes, P., Miron, C., Pipa, A. V., Fricke, K., Bednarski, P. J., & Kolb, J. F. (2017). Fenton chemistry promoted by sub-microsecond pulsed corona plasmas for organic micropollutant degradation in water. Electrochimica Acta, 245, 539–548. https://doi.org/10.1016/j.electacta.2017.05.121
- Caballo, M., Michielsen, K., Fedon, C., & Ioannis Sechopoulos. (2019). Towards 4D dedicated breast CT perfusion imaging of cancer: development and validation of computer simulated images. Physics in Medicine and Biology, 64(24), 245004–245004. https://doi.org/10.1088/1361-6560/ab55ac
- Towards Precision Medicine in Breast Cancer Imaging: From 3D Breast CT Radiomics to 4D. (n.d.). Radboud University Nijmegen. https://repository.ubn.ru.nl/bitstream/handle/2066/230399/230399.pdf
- Smith, M. (2021). Complex Magnetized Plasmas. University of Liverpool. https://livrepository.liverpool.ac.uk/3161295/1/200802926_Sept2021.pdf
- Garthwaite, J., & Batchelor, A. M. (1999). A biplanar slice preparation for studying cerebellar synaptic transmission. Journal of Neuroscience Methods, 64(2), 189–197. https://doi.org/10.1016/0165-0270(95)00133-6
Synonyms
Tolerances
| Diameter | ±10% | |
|---|---|---|
| Length | +5% / -1% |