T&D Materials Manufacturing LLC

Tungsten Rivets and Discs

It is widely used in electrical contacts, such as power semiconductor devices, automobiles, motorcycles, electric horns, magnetic motors, etc.

It is widely used in electrical contacts, such as power semiconductor devices, automobiles, motorcycles, electric horns, magnetic motors, etc.

W Density Crystal grains
>99.95% 19.1-19.3g/cm3 >9800

Chemical Composition

W % Other elements(less than%)
Fe Al Si Mg Ca Ni Cu Pb
99.95% 0.002 0.001 0.001 0.0007 0.001 0.0007 0.0001 0.0001
Bi Sn Mo Sb As O C P
0.0001 0.0001 0.002 0.0002 0.0002 0.001 0.005 0.001

Physical Properties:
Density: 19.1-19.3g/ cm3
Hardness: 74kg/mm
Crystal grains>9800
Coarseness: <0.3um
Parallel: <8D/1000
Flatness:<5.0um
Size and tolerance:
Diameter:1.2mm-10mm
Tolerance: ±0.05mm

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