Tungsten Wire

Categories Refractory Metals, Tungsten

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Additional information

Material	W
Purity	99.95%
Diameter	0.1-1.5 mm
Production Process	Isotactic pressing – Intermediate frequency sintering – Machining – Drawing
Molecular Weight	183.85
Appearance	Silvery
Melting Point	3410 °C
Boiling Point	5900 °C
Density	19.3 g/cm3

Description:

Tungsten wire is a high-performance refractory metal filament manufactured through precision drawing processes, offering the highest melting point (3,422°C) of all pure metals. Available in diameters from 5μm to 3.0mm, it is engineered for extreme thermal and electrical applications.

Ultra-High Temperature Resistance: Operates effectively up to 3,000°C
Exceptional Tensile Strength: Maintains integrity under mechanical stress
Low Vapor Pressure: Ideal for vacuum environments
Excellent Creep Resistance: Minimal deformation at elevated temperatures
High Electrical Conductivity: Superior to most refractory metals

Applications:

Tungsten wire is widely used in the manufacture of filaments for bulbs and lamps, as well as in optical instruments, electric vacuum components, and high-temperature resistant parts.

With the highest melting point among all metals and excellent electrical conductivity, tungsten wire offers outstanding performance under extreme conditions. It demonstrates excellent sintering and high-temperature recrystallization properties, ensuring long service life and reliable performance in demanding applications.

Tungsten Alloy Wire for Photovoltaic Crystalline Silicon Cutting

Tungsten alloy wire is becoming an increasingly popular choice for photovoltaic crystalline silicon cutting. Compared with traditional carbon steel busbars, it offers higher strength, excellent fatigue resistance, and reliable electrical conductivity. Its ability to be drawn into finer diameters without losing performance gives it strong potential for future development and broader adoption in the photovoltaic industry.

Cut-Resistant Tungsten Wire

Tungsten wire can be drawn into extremely fine diameters while maintaining exceptional strength and hardness—far exceeding that of stainless steel of similar size. It is used in the production of cut-resistant protective gloves, allowing them to be lighter, thinner, and more flexible while still meeting the same or higher levels of cut protection.

Gloves reinforced with tungsten wire help minimize skin irritation and improve comfort and dexterity, making them suitable for a wide range of hand protection applications. With proper design and integration, tungsten wire can increase a glove’s cut-resistance rating by more than two levels.

Tungsten Wire in Electronics

Light Bulb Filaments
Used as filaments in incandescent light bulbs. The high melting point allows operation under high temperature.
Electronic Components
Used in connectors and electrodes for stable electrical performance.
Microelectronics and Semiconductors
Used to form conductive paths in semiconductor devices.
Vacuum Tubes
Used as heating elements in vacuum tubes under high temperature and low pressure.
High-Frequency Applications
Used in RF antennas and microwave components for high-frequency applications.