1. Tungsten Filament/strand/screw:
Grade:WAL1
Electron beam tungsten filament:
1.Used for vacuum evaporation metalizing.
2.Life long,good at thermal efficiency.
Electron beam tungsten filament is made of selected high-quality material of tungsten, with the properties of excellent electrical conductivity, excellent thermal conductivity, finely processed.
Ion beam tungsten filament is applied as evaporator(heating element) in the vacuum metalizing.
Long life, excellent tech.
Ion beam tungsten filament is made from selected high-quality material of tungsten, with the properties of excellent electrical conductivity, excellent themal conductivity, finely processed, long duration and non-oxidation.
Unusual stranded tungsten filaments are applied as evaporator(heating element) in the vacuum metalizing (evaporation) process to coat thin film on surface of mirrors, kinescope, toys, home appliance, machine and various decorations, etc.
2. Tungsten Bar:
Specification: 12*12*400, 14*14*450, 16*16*500
Appearance: Silver gray metallic luster.
Grade: W-1 W-4
Density: 19-19.3g/cm3
Main applications: W-1 is used for making the pole, wire drawing, or doing steel-making additive. W-4 is used as the steel-making additive.
Standards: As the customer's request.
3. Tungsten rod:
Diameter: 3-11mm
Grade Tungsten content (%) usage
WAL1 >=99.92 For wire, cathode, parts of electron tube and electrode of gas discharge lamp
WAL2
W1 >=99.95 For grid side rod, support, leading-out wire and electric pole
W2 >=99.92
4. Tungsten wire/filament/screw:
Diameter: 0.3-3mm
Grade Tungsten content (%) type usage
WAL1 >=99.92 T Manufacturing wire of high color lamp, wire of shockproof lamp and double-spiral wire
L Manufacturing wire of incandescent lamp, cathode of transmitting tube, hyperthermia electrode and reaming tungsten wire
W Manufacturing folding heating cord of electron tube
WAL2 >=99.92 T Manufacturing wire of fluorescent lamp
L Manufacturing heating cord of electron tube, wire of incandescent lamp, and reaming tungsten wire
W 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
Sort Number of strands Diameter Difference between 2 feet mm Inside diameter tolerance
(mm) Big heater element Small heater element
5. Tungsten sheet:
W: ≥99.95%
Density: 19-19.3/cm3
Specification:
Thickness: 0.1-2.0 mm
Width: 30-300mm
Length: <=2000mm
6. Tungsten plate:
W: ≥99.95%
Density: 19-19.3/cm3
Specification:
Thickness: 1.5-15 mm
Width: 150-300mm
Length: 200-700 mm
Materials: pure tungsten, tungsten alloy
Round and square
Specification: outer diameter 5-700mm
Length: 2-1000mm
Wall thickness: >=1.0mm
Special requirements are available.
Used for Sapphire Crystal Growing furnace heating element, quartz and glass material smelting, etc.
Purity: W≥99.95%
Specification: outer diameter 5-700mm
Length: 2-1000mm
With or without bottom.
We can design and produce varied dimension and shape crucibles according to customer's requirement.
Application: with the perfect performance of anti-oxidize, anti-electrification, and antirust in high-temperature, the crucibles are used as special high temperature resistant containers in rare earth smelting industry, quartz and glass material smelting, heating elements of induction furnace, etc.
