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Tungsten is a metal with extremely high thermal resistance and density. It not only has the highest melting point of all metals, but also the greatest mechanical strength, very high rigidity and the lowest coefficient of thermal expansion. To boil tungsten, temperatures like those on the sun's surface (approx. 5,900 ° C) are required. With a density of 19.28 g / cm³, tungsten is also one of the heaviest metals and is therefore used, among other things. used for targeted mass balancing. Tungsten ranks eighth in the order of electrical conductivity. After all, it achieves about 31% of the electrical conductivity of copper.99.95% pure polished tungsten bars for sale
| Machining | Diameter |
Diameter tolerance % |
Max length, mm |
Forging, Rotary swaging |
1.6-20 |
±0.1 |
2000 |
20-30 |
±0.1 |
1200 |
|
30-60 |
±0.1 |
1000 |
|
60-70 |
±0.2 |
800 |
Size: 99.95% pure polished tungsten bars for sale
| Diameter(mm) | Length(mm) |
Φ1.0-20.0 |
>2000 |
Φ20.0-30.0 |
>1500 |
Φ30.0-70.0 |
>1000 |
Φ70.0-90.0 |
>800 |
Note:Welcome OEM&ODM.The size and purity can be customized as requiremets.
Chemical Composition:
Grade |
Tungsten content |
Contents of impurity element |
|
Total content |
Each content |
||
W1 |
99.95% min |
0.05% max |
0.01% max |
W2 |
99.92% min |
0.08% max |
0.01% max |
WAL1, WAL2 |
99.95% min |
0.05% max |
0.01% max |
Application:
• For producing electric light source parts and electric vacuum components
• For producing heating elements and refractory parts in high temperature furnaces
• Used as electrodes in the field of rare earth metal industry
•Used in military of some aspects
• For medical aspects
99.95% pure polished tungsten bars for sale
Tungsten rods are mainly used as heater, support pillar, feeder and fastener in vacuum or reducing atmosphere high temperature furnace. Moreover, serve as light source in lighting industry, electrode in glass and tombarthite melting, and welding equipments
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