Forged Tungsten Bar

 

Density of forged tungsten bar is over 19.0g/cm3. The above one is round forged grounded tungsten bar with shining and smooth surface. 

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Swaged Tungsten Bar

Swaged tungsten bar is namaly tungsten bar through the manufacturing process of forging. After swaging, the density of tungsten bar will increased, and highest one is over 19.0g/cm3.Swaged tungsten bar is called because of the manufacturing process.
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Ground Tungsten Bar

Ground tungsten bar is shining with its metal white color, and surface is grounded. The above bar is grounded from blank tungsten bar. The surface value can be grounded to under Ra3.2um.
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Blank Tungsten Bar

Round tungsten bar with black surface is unground and with the trace of sintering and the left of tungsten oxide. Above is a blank tungsten bar, which is also called black tungsten bar or unground tungsten bar, and they are used to describe the type of tungsten bar under the surface condition.
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Working Process of Tungsten Heater

Working process of tungsten heater is to light up the lambs. The above one is for a small test. The heater used is single one, the one is using its resistance. When heating tungsten wire to set temperature, then the resistance would be different, as a result the light degree would be different.

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Tungsten Heater without Legs

Tungsten Heater is always to be made with legs in horizontal orientation or in vertical direction. However, the tungsten heater without legs is also could be made in springs.
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Packing of Tungsten Wire and Tungsten Heater

Packing of Tungsten Wire is  with plastic coils. When the diameter of tungsten wire is under Ø0.8mm, then the wire could be packed in plastic coil. and if the wire is over 1.0mm, then the wire is package tungsten wire itself without plastic coils.
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