China professional supplier ISO quality quality tungsten rod
USD $8 - $120.6 /Kilogram
Min.Order:5 Kilograms
STA Refractory (Zhengzhou) Co., Ltd.
STA Tungsten bar is produced by good processing property billets and special cold and hot rolling technology. It can be used to make tungsten electrodes,tungsten heat elements,tungsten heat shields and tungsten boats for electronics, lightening,electrovacuum industries.With high quality and tungsten bar price is competitive,the products not only meet the demands of the domestic market, but is also exported overseas.
The physical properties of tungsten rod:
Atomic number:74 | ||||
Atomic weight:183.85 | ||||
Melting point:3410°c | ||||
Boling point:5560°c | ||||
Density:≥19.3g/cm3. | ||||
The specific heat:0.14kj(kg.k) | ||||
Solution heat:190.3kj/kg | ||||
Crystal Structure:body-centered cubic |
Main application : Used for making electric vacuum device and electric light source parts
type | purity | application |
WAL1 | >=99.92% | filament,cathode and components for electron tubes,electrode for the gas discharge tube.etc. |
WAL2 | ||
WAL3 | >=99.92% | grid siderod,lead,support,electrode for the discharge lamp,etc. |
W1 | >=99.95% | grid siderod,support,lead and electrode,etc. |
W2 | >=99.92% |
furnished form | specified diameter | min.length | D.tolerance |
wroughted | 2.8<=d<5.0 | 600 | ±2% |
5.0<=d<6.5 | 300 | ||
6.5<=d<11.0 | 200 | ||
straightened | 0.8<=d<1.0 | 1000 | ±2% |
1.0<=d<3.0 | 800 | ||
ground | 0.8<=d<3.0 | 800-1000 | ±0.03mm |
3.0<=d<6.5 | 300-600 | ±0.05mm | |
6.5<=d<10.0 | 200 | ±0.08mm |
Application Fields:
Parts of Electric Light Source and Electron Tube |
Heat Elements of High Temperature Furnace |
Structures of High Temperature Furnace |
Accessories of Ion Implantation Equipment |
Electrode used in the Rare Earth Industry |
About the pictures show:
Polythene-foamed sheet bag and wooden case and wooden pallet or pack as customer’s requirements.
You can contact our trade manager at any time. Your problems can be responsed in 12 hours can we will give you solutions in 24 hours. Also if there’s any problem about our products’ quality, we accept resending them again. Thank you.
*STA Universe Group is bigger manufacturer, of which STA is a brand, is part of the STA Universe Group, a large, high-technology engineering group. It include many factories in China, such as Henan, Zhejiang, Shandong, many provinces.
*STA Heating Elements Factory of STA Group, of which STA is a brand, is a world-leading developer and manufacturer of products based on advanced heating elements.
*Our products and services contribute to our customers' productivity, reliability and cost efficiency while reducing their environmental impact in a wide variety of industry segments.
*Our advanced and professional technology, complete production lines, experienced staff and strict corporate system ensure our products quality. We pride ourselves on quality products, service and pricing, and believe that the three aspects are equally important to ensure the long-term success of overseas purchasing program.
*STA is a leading manufacturer for laboratory high temperature muffle furnace, tube furnace, vacuum furnace, atmosphere furnace, dental singtering furnace, bottom loading furnace, bogie hearth furnace, mosi2 heating elements, sic heating elements , alumina ceramic tube pipe, refractory material, ceramic fiber board blanket.
Why STA:
1. We are a manufacture, which can control the cost easily than trade company also can give you answer more quickly.
2. As a manufacture, we know much in technique and can give you more support in technique problem.
3. Our products are complete in specifications with various of sizes.
4. We enjoy a good reputation in the customers in domestic and overseas markets.
Our factory can according to your need to customize different type required.
If you have any questions or new need of them, pls contact me at any time. The more information will be sent to you, thanks in advance.
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