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High quality 99.95% black 0.03mm tungsten filament wire in coils

Place of Origin: China

Brand Name: Zhenfang

Certification: ISO9001:2015

Grade: W1

Minimum Order Quantity:10 pcs

Price:USD 75-125/kg

Delivery Time:5-10 days

Payment Terms:T/T, western union, LC etc

Supply Ability:10000 kg/month


Mass Characteristics

Symbol: W

Atomic Number: 74

Atomic Weight: 183.85

Density: 19.3 g/cm3

Thermal Properties

Melting Point: 3410°C (+ 20°C)

Boiling Point: 5900°C

Specific Heat: 0.14 kJ/kg x K at 20°C

Latent Heat of Fusion: 209 kJ/kg (estimated)

Thermal Conductivity: 129 W/m x K at 20°C

Evaporation Heat: 444 J/g

Electrical Properties

Electrical Resistivity: 5.5 μΩ/cm at 20°C

Temperature Coefficient of the Electrical Resistivity: 0.00482 Ω/ΩK

Temperature of Superconductivity: 0.016 K

Tungsten wire diameter specifications can be customized according to customer requirements.d so on.

tungsten Wire
Melting Point:

molybdenum color:
Black and White
Tensile Strength:
2770 N/mm2

Our factory and equipments


Zhuzhou Zhenfang Yaguang Tungsten-Molybdenum Co.,LTD is a professional manufacture in tungsten carbide field. We have engaged in this field for over ten years. We have rich experience on tungsten carbide studying and manufacture.We pursuit providing efficient solution and high quality products for clients. We specialize in tungsten carbide rod, carbide plate&strips, carbide dies, carbide roller, carbide wear parts for petrochemical industry, carbide cutting tools.Tungsten carbide rod and customized wear parts is our advantage.

We always keep good relationship with our clients, enhancing communication and Cooperation to each other, trying to create WIN-WIN  cooperation. 



Mainly used for making heating wires, twisted wires for coating films under vacuum, also used as electrical light. The company produces tungsten wire from 0.006mm to 2.5mm diameter black tungsten wire and white tungsten wire,black tungsten wire and white

tungsten wire. The products are used for lighting bulbs, electronic appliances, automotive glass, Air purification and dust removal equipment, vacuum coating equipment, medical products, heating equipment, wire drawing mold products, textiles, weaving, gloves and other products. Newly developed tungsten wire materials with diameters of 0.02mm, 0.025mm, 0.03mm, 0.035mm, 0.04mm, 0.045mm, 0.05mm, etc., are used for textile, weaving and glove cutting products. Welcome to cooperate with new and old customers.

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