Hubei Fotma Machinery Co., Ltd.
| Payment Terms | T/T, L/C, Western Union, PayPal |
| Supply Ability | 2 MT / Month |
| Delivery Time | 20-25 days |
| Packaging Details | Plastic boxes, Paper cartons |
| W Content | > 99.95% |
| Sizes | 12 x 12mm, 14 x 14mm |
| Length | 300mm or customized |
| Surface | Swaged |
| Density | > 18 g / cm3 |
| Tolerance | + / - 0.1mm |
| Brand Name | FOTMA |
| Model Number | 12 x 12mm, 14 x 14mm |
| Certification | ISO 9001:2008 |
| 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 | Packaging Details | Plastic boxes, Paper cartons |
| W Content | > 99.95% | Sizes | 12 x 12mm, 14 x 14mm |
| Length | 300mm or customized | Surface | Swaged |
| Density | > 18 g / cm3 | Tolerance | + / - 0.1mm |
| Brand Name | FOTMA | Model Number | 12 x 12mm, 14 x 14mm |
| Certification | ISO 9001:2008 | Place of Origin | P.R. China |
| High Light | W3 Swaged Pure Tungsten Rod ，Alloy Making 12mm Pure Tungsten Rod ，W2 W3 Swaged Tungsten Bar | ||
High Purity 99.95 Tungsten Products Pure Tungsten Bars For Steel Melting
Tungsten has the highest melting point of all metals and is therefore also suitable for very high-temperature applications. It is also characterized by a uniquely low coefficient of thermal expansion and a very high level of dimensional stability.
Tungsten is resistant to corrosion when the humidity is below 60%. However, it must be protected at elevated temperatures. Tungsten can oxidize in the presence of oxidizing gases at temperatures above 250° C. Despite this vulnerability, Molten glass, nitrogen, inert gases, molten metals and ceramic oxides only slightly affect it.
Tungsten Rods Availability
Tungsten rod is manufactured as random length pieces or cut to customers' desired lengths. Standard diameter and length tolerances are listed as follows. Other, closer tolerances can be quoted on request. In addition, there are three different surface processes or finishes which are provided, depending upon the desired end use.
Dimensions of Tungsten Bar:
(10-14)×(10-14)×(400-600) mm
The length of the finished tungsten bar for W1, W2, and W3 should not be less than 300mm, and that for W4 should not be less than 30mm.
Appearance of Tungsten Bar:
The appearance of tungsten bar turns to be metallically gray or dark gray. Hygroscopy is not allowed on the appearance of W1 ,W2, and W3 tungsten bars.
Tungsten Bars Specifications:
| 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 pole | swaged | 2.5 | 11.0 |
| straighted | 0.8 | 3.0 | |
| Ground tungsten pole | 0.8 | 10.0 | |
| W | K | Fe | Mo | others |
| ≥ 99.95 | 0.004-0.010 | ≤ 0.0020 | ≤ 0.0030 | ≤ 0.0010 |
| 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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