Usage: Manufacture tungsten wire, frame of grid, elicit wire, bracket, mould rods in high temperature, eradiate cathode, electrodes, bracket of heating
surface: black and polished
Purity:99.95%(min)
Density:19.3g/cm3, Dia: 2.5-120mm
standard: ASTM
Purity:99.95%(min)
Density:19.3g/cm3, Dia: 2.5-120mm
standard: ASTM
please let us know the diameter, length and surface of tungsten rod you need.
We can manufacture according to your requests.
We can manufacture according to your requests.
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Types and specs
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types
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Diameter mm
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Min mm
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Max mm
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Black tungsten pole
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swaged
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2.5
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11.0
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straighted
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0.8
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3.0
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Ground tungsten pole
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0.8
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10.0
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Content
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W
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K
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Fe
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Mo
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others
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≥99.95
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0.004-0.010
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≤0.0020
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≤0.0030
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≤0.0010
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Diameter tolerance
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diameter
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Black tungsten pole
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Ground tungsten pole
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Dia. Tolerance%
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Roundness%
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Dia. tolerance
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roundness
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0.40＜d≤0.80
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±2
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2
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—
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—
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0.80＜d≤3.0
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±2
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2
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±0.03
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0.03
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3.0＜d≤6.5
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±2
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2
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±0.03
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0.03
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6.5＜d≤14
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±2
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2
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±0.03
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0.03
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Brand and W content
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brand
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WAL1
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WAL2
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W content
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≥99.95%
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≥99.95%
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