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Processing Tungsten Bar

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 Processing Tungsten Bar

 Appearance: Grey or dark grey with metallic glazing on surface.

 Application: Widely use for anti-shock lamp wire, energy saving lamp wire, common lamp wire and electrode material.

Code Size of blanks (mm) Density (g/cm3) Grain quantity (g/mm2) Applications
W-2 12 × 12 × (300-350) 
14 × 14 × 350
≧17.5 ≧1000 Apply for electrode rod material.

 Chemical Composition:

Code W-1 W-2 XW-2 W-3 XW-3 W-4
Main Comp W Min.(%)  99.5 99.95 99.95 99.70   99.5
Content of Other Chemical Element Max.(%) Pb 0.0001 0.0001 0.0001 0.0001 0.0001 0.001
Bi 0.0001 0.0001 0.0001 0.0001 0.0001 0.001
Sn 0.0001 0.0001 0.0001 0.0001 0.0001 0.001
Sb 0.001 0.001 0.001 0.001 0.001 0.001
As 0.002 0.002 0.002 0.002 0.002 0.002
Fe 0.005 0.005 0.005 0.010 0.010 0.025
Ni 0.003 0.003 0.002 0.005 0.003 0.15
Al 0.002 0.002 0.001 0.005 0.002 0.005
Si 0.003 0.003 0.002 0.001 0.003 0.010
Ca 0.003 0.003 0.002 0.005 0.003 0.005
Mg 0.002 0.002 0.001 0.005 0.002 0.005
Mo 0.010 0.010 0.010 0.020 0.20 0.20
P 0.001 0.001 0.001 0.002 0.001 0.002
C 0.005 0.005 0.005 0.008 0.005 0.005
O 0.003 0.003 0.003 0.005 0.003 0.005
N 0.003 0.003 0.002 - 0.003 -
Application Electrode material Electrode rod material Electrode rod material Electrode rod material Electrode rod material Steel alloy agent

Note: Above specification (model) and performance can be customer specified.


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Next: Tungsten Bar As Steel Alloy Agent (w-4), Tungsten Crop End (wqt)

     
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