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Tungsten wire
Tungsten wire

High melting point, High-density, high temperature oxidation resistance, long service life, resistance to corrosion.

1. Grade: W1,W2,WAL,WLa, WNiFe

2. Purity :> =99.95%

3. Characteristic:

Melting Point: 3410 Degrees Celsius

Boiling Point:5927 Degrees Celsius

Density: 19.3g/cm3

High quality, workability

4. Certificate: ISO9002

5. Product Feature: High melting point, High-density, high temperature oxidation resistance, long service life, resistance to corrosion..

Tungsten wire is produced by stretching the Tungsten rod to the required diameter under swaging process. With the properties of hardness, low mechanical abrasion and melting resistance, Tungsten rod/bar is widely applied to electrical contacts which can be used for electrical appliances of vehicles equipped, voltage regulator in automobile engine and other electrical systems. In addition, Tungsten rod/bar can be widely used in electrode, the gate pole in electronic tube, side rod, lead-lines, frame, gas lamp electrodes, high-power incandescent filament, the filament in electronic tube and cathode in launch tube, cylinder barrel of advanced automobile etc.

6. Dimensions and tolerance(According to clients’ requirements):

Finished form

Specified diameter

Minimum length, mm

Diameter tolerance

Wrought

2.8≤d<5.0

600

± 2%

5.0≤d<6.5

300

6.5≤d<11.0

200

Straightened

0.8≤d<1.0

1000

± 2%

1.0≤d<3.0

800

Ground

0.8≤d<3.0

800 – 1000

±0.03mm

3.0≤d<6.5

300 – 600

±0.05mm

6.5≤d<10.0

200

±0.08mm

7. Application:

Grade

tungsten content(%)

usage

WALI

>=99.92

Manufacturing wire of high color lamp, wire of shockproof lamp and double-spiral wire

Manufacturing wire of incandescent lamp, cathode of transmitting tube, hyperthermia electrode and reaming tungsten wire

Manufacturing folding heating cord of electron tube

WAL2

>=99.92

Manufacturing wire of fluorescent lamp

Manufacturing heating cord of electron tube, wire of incandescent lamp, and reaming tungsten wire

Manufacturing folding heating cord of electron tube, grid wire and cathode

W1

>=99.95

Manufacturing reaming tungsten wire and heating components

W2

>=99.92

Manufacturing grid side rod of electron tube and reaming tungsten wire

Tungsten wire

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