High Temperature Alkali Wash White Wire Black Tungsten Wire for Light Sources
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Tungsten wire are used to make filaments. Advantage: High melting point, high temperature oxidation resistance
| Commodity name | Tungsten wire in spool |
| Specific range | According to customer's requirements |
| Density | 19.2g/cm3 |
| Purity | W>=99.95% |
| Surface | Black or white |
| Technique | Powder Metallurgy |
| Standard | GB/T4181-2007 |
| Feature | High melting point, high temperature oxidation resistance, long service life, resistance to corrosion |
| Application | To make filaments of incandescent lamps, fluorescent lamps, and halogenlamps,electrodes of HID lamps, heating components, vacuum metalizing coils, and TIG welding electrodes. |
Tungsten Rod, Wire
| Tungsten Rod | ||
| Diameter (mm) | Tolerance (%) | Length (mm) |
| <20 | ±0.1 | 2000 |
| 20~30 | ±0.1 | 1200 |
| 30~60 | ±0.1 | 1000 |
| 60~70 | ±0.2 | 800 |
| 70~90 | ±0.2 | 600 |
| >90 | Special requirements to be agreed on by the supplier and buyer | |
| Note: Black W-rod φ0.5~3——Straightened Rods after drawn; φ3.0~18——Straightened Ground Rods after swaged; φ18~——Ground Rods after machined. | ||
| Tungsten Wire | |||||||
| Pure W-wire | W≥99.99% | K≤0.001 | Fe≤0.0015 | Mo≤0.0015 | Others≤0.002 | Total≤0.01 | |
| Doped W-wire | W≥99.9% | Fe≤0.003~0.008 | Fe≤0.002 | Mo≤0.005 | Others≤0.002 | Total≤0.04 | |
| Diameter | φ10~18 | φ18~40 | φ40~80 | φ80~300 | φ300~350 | φ350~500 | φ500~ |
| 200mm/mg | 0.3~0.98 | 0.98~4.85 | 4.85~19.39 | 19.39~272.71 | 272.71~371.18 | ||
| Pure W-wire 0.1mm~0.3mm, Dopped W-wire 0.005mm~0.3mm | |||||||
| W-wire is regular black covered with graphite,. Metallic luster after graphite removed | |||||||
FAQ
Q: What information should I let you know if i want to get a quotation?
A: the required material dimension (Thickness*Width*Length,diameter*length; if possible, please kindly supply us drawings).
the required more information, such as Surface Condition, Tolerance Request, the Quantity, and other mechanical and technical details.
If it is possible, please also provide the application of products, we will recommend the most suitable products with details for confirmation.
Q: how do you gurantee the quality of the products?
A: Each step of production and finished products will be carried out inspection by QC department before storing in the warehouse. NG goods are not allowed in the completed goods warehouse.
Q: Can you guarantee the prompt delivery?
A: Yes, when we get your inquiries, not only we will evaluate the more competitive price, but also we can get the most reasonable delivery time. So the prompt delivery can be guaranteed.
Q: What is the shipping cost?
A: the shipping cost is determined by the destination port, weight, packing size, total CBM of the Products, we will try best to get the most reasonable shipping cost from the forwarders or express couriers to help you save more money.
Q:What is the transportation way?
A:If the Gross Weight ≤45kg, it's better by express Such as TNT, DHL, FedEx,, etc.
If the Gross Weight between 45kg to 100kg, by express or by air to your nearest airport can be both considered.
If the Gross Weight ≥ 100kg,you can choose by Air or Sea to the nearest port.
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