Hubei Fotma Machinery Co., Ltd.
| Payment Terms | T/T, L/C, Western Union, PayPal |
| Supply Ability | 2 MT / Month |
| Delivery Time | 20-25 days after deposit |
| Packaging Details | Plastic boxes, Paper cartons |
| Purity | 99.95% |
| Density | No Less Than 19.0 G / Cm3 |
| Diameter | 0.8mm - 200mm |
| Length | 10mm - 1100mm |
| Surface | Polished |
| Tolerance | + / - 0.05mm |
| Brand Name | FOTMA |
| Model Number | W-1, W-2, WAL |
| Certification | ISO 9001:2000 |
| Place of Origin | P.R. China |
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Product Specification
| Payment Terms | T/T, L/C, Western Union, PayPal | Supply Ability | 2 MT / Month |
| Delivery Time | 20-25 days after deposit | Packaging Details | Plastic boxes, Paper cartons |
| Purity | 99.95% | Density | No Less Than 19.0 G / Cm3 |
| Diameter | 0.8mm - 200mm | Length | 10mm - 1100mm |
| Surface | Polished | Tolerance | + / - 0.05mm |
| Brand Name | FOTMA | Model Number | W-1, W-2, WAL |
| Certification | ISO 9001:2000 | Place of Origin | P.R. China |
| High Light | 1mm tungsten round bar ，200mm 99.95% Pure Tungsten Rod ，99.95% Pure Tungsten Rod | ||
99.95% Customized Pure Polished / Ground Tungsten Rod Diameter 1mm to 200mm
Tungsten is a metallic chemical element classified among the transition metals of the periodic table of elements. It is well known for its strength and durability, which make it extremely useful in a wide range of industrial applications. Some consumers also own products which contain tungsten or were produced with tungsten. The world's major sources of this element are Russia, Austria, China and Portugal, where it is extracted from minerals such as scheelite and wolframite.
The pure tungsten rods have the following features such as the high melting point, high density, high temperature oxidation resistance, long service life and the resistance to corrosion.
The characteristics of tungsten metal
1. The lowest vapor pressure of all metals
2. High module of compression and elastivity
3. High thermal creep resistance
4. High thermal and electrical conductivity
5. High coefficient of electron emission
The application of the pure tungsten rods
The pure tungsten rods can be used in the elevision and light bulb filament. The tungsten rods also can be used as the electrodes. They can be used in the furnace, aerospace, nuclear, metal sealing and elctrical contacts.
Specifications of pure tungsten polished rods
| W (> %) | Chemical Content (< %) | |||||||||||
| 99.95 | Fe | Ca | P | Sn | Al | Ni | N | Sb | Si | O | Pb | As |
| 0.005 | 0.003 | 0.001 | 0.0001 | 0.002 | 0.003 | 0.003 | 0.001 | 0.003 | 0.003 | 0.0001 | 0.002 | |
| Mg | C | Bi | Mo | - | - | - | - | - | - | - | - | |
| 0.002 | 0.005 | 0.0001 | 0.001 | - | - | - | - | - | - | - | - | |
| Types and specs | |||
| types | Diameter mm | ||
|
| Min mm | Max mm | |
| Black tungsten rod | swaged | 2.5 | 11.0 |
| straighted | 0.8 | 3.0 | |
| Polished tungsten rod | 0.8 | 10.0 | |
| Diameter tolerance | ||||
| diameter | Black tungsten pole | Ground tungsten pole | ||
|
| Dia. Tolerance% | Roundness% | Dia. tolerance | roundness |
| 0.40 | ± 2 | 2 | _ | _ |
| 0.80 | ± 2 | 2 | ± 0.03 | 0.03 |
| 3.0 | ± 2 | 2 | ± 0.03 | 0.03 |
| 6.5 | ± 2 | 2 | ± 0.03 | 0.03 |
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Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2004
Total Annual:
5000000-8000000
Employee Number:
50~100
Ecer Certification：
Active Member
Hubei Fotma Machinery Co.Ltd established in 2004 as a combined group engaged into manufacturing and exporting of Non-Ferrous Metals, Agricultural Machinery and Instruction Machinery etc. In 2005, our factory established in Zigong, Sichuan P.R., which is a professional manufacturer of ... Hubei Fotma Machinery Co.Ltd established in 2004 as a combined group engaged into manufacturing and exporting of Non-Ferrous Metals, Agricultural Machinery and Instruction Machinery etc. In 2005, our factory established in Zigong, Sichuan P.R., which is a professional manufacturer of ...
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