Tungsten Wire
Overview
Thanks to the advanced equipment and technology,doped tungsten wire and special alloy tungsten wire have good performance in high-temperature non-sag property,coilability,diameter uniformity and stability.Quality registers the international advanced level.According to different applications and requirements efficiency and usability.
Selection Guide
| Type | Brand | Features | Diameter (mm) | Application | |||
| Non-SAG | Anti-shock | Electric Discharge | Machina -bility | ||||
| Pure Tungsten | HW11 | △ | △ | ◎ | ● | 0.1～3.0 | Heating materials in furnace; Non-radioactive welding electrode;contact material |
| Doped Tungsten | HW31 | ◎ | ○ | ○ | ● | 0.005～3.0 | Filament of fluorescent lamp and energy-saving lamp;HID electrode. |
| HW41 | ○ | △ | ○ | ● | 0.1～3.0 | Heating resistor for vacuum metallization;heating materials in furnace;HID electrode;support wire. | |
| HW42 | ○ | ○ | ○ | ◎ | 0.1～3.0 | Heating resistor for vacuum metallization;support wire. | |
| HW61 | ◎ | ◎ | ○ | ◎ | 0.005～3.0 | Filament of incandescent lamp;fluorescent Lamp and energy-saving lamp;support wire;printer pins. | |
| HW71 | ● | ● | ○ | ◎ | 0.005～3.0 | Anti-shock filament of auto lamp | |
| HW91 | ● | ◎ | ○ | ◎ | 0.005～3.0 | Filament of halogen lamp,high color temperature lamp and auto lamp | |
| HW99 | ● | ● | ○ | ◎ | 0.005～3.0 | Long-life filament of halogen lamp | |
| Thoriated Tungsten | HWTh10 | ◎ | ◎ | ● | ○ | 0.1～5.0 | Magnetron coil;HID electrode;welding electrode |
| HWTh20 | ◎ | ◎ | ● | △ | 0.1～5.0 | Welding electrode;HID electrode;welding electrode | |
| HWTh40 | ◎ | ◎ | ● | △ | 0.1～5.0 | HID electrode;welding electrode | |
| Lanthanum Tungsten | HWLa10 | ◎ | ◎ | ● | ○ | 0.1～5.0 | Non-radioactive welding electrode |
| HWLa15 | ◎ | ◎ | ● | ○ | 0.1～5.0 | Non-radioactive welding electrode | |
| HWLa20 | ◎ | ◎ | ● | ○ | 0.1～5.0 | Non-radioactive welding electrode | |
| Cerium Tungsten | HWCe10 | ◎ | ◎ | ● | ○ | 0.1～5.0 | Non-radioactive welding electrode |
| HWCe15 | ◎ | ◎ | ● | ○ | 0.1～5.0 | Non-radioactive welding electrode | |
| HWCe20 | ◎ | ◎ | ● | ○ | 0.1～5.0 | Non-radioactive welding electrode | |
| Yttrium Tungsten | HWY20 | ◎ | ◎ | ● | ○ | 0.1～5.0 | Non-radioactive welding electrode |
| Compound Rare earth Tungsten | HWMX | ◎ | ◎ | ● | ○ | 0.1～5.0 | Non-radioactive welding electrode |
Note:●Best ◎Better ○Good △Not
State of Finished products and corresponding Code
Products available
| Code | State of Finished Products | Code | State of Finished Products | Code | State of Finished Products |
| C | Chemical Cleaned | DS | As-Drawn & Straightened | EHS | Electrolytic Polished&Annealed & Straightened |
| CS | Chemical Cleaned & Straightened | E | Electrolytic Polished | ES | Electrolytic Polished& Straightened |
| D | As-Drawn | EH | Electrolytic Polished&Annealed | H | Annealed |
Sizes and Tolerance
| Diameter （μm） | Weight （mg/200mm） | 200mmWeight Tolerance(%) | Diameter Tolerance(%) | |||
| Grade0 | GradeⅠ | GradeⅡ | GradeⅠ | GradeⅡ | ||
| 8＜d≤14 | 0.19＜p≤0.59 | ±3.0 | ±4.0 | ±5.0 | — | |
| 14＜d≤18 | 0.59＜p≤0.98 | ±2.5 | ±3.0 | ±4.0 | — | |
| 18＜d≤40 | 0.98＜p≤4.85 | ±2.0 | ±2.5 | ±3.0 | — | |
| 40＜d≤80 | 4.85＜p≤19.39 | ±1.5 | ±2.0 | ±2.5 | — | |
| 80＜d≤300 | 19.39＜p≤272.71 | ±1.0 | ±1.5 | ±2.0 | — | |
| 300＜d≤350 | 272.71＜p≤371.18 | ±1.0 | ±1.5 | — | ||
| 350＜d≤500 | — | — | ±1.5 | ±2.0 | ||
| d＞500 | — | — | ±1.0 | ±1.5 | ||
Note:sizes and tolerance could be custom-made.
Straightness
As for the straightened tungsten wire,The following requirements of straightness shall be reached:
①As for the tungsten wire at or thinner than 100μm（30.3mg），vertical height of 500mm freely suspended wire shall not be less than 450mm。
②As for the tungsten wire thicker than 100μm，piece of 200mm wire is put on a paper sheet and the arc is evaluated between 2 points separated by 100mm,the maximum height of the arc is 10mm。
CHINATUNGSTEN ONLINE has been specialized in manufacturing tungsten products, especially tungsten carbide products for more than 20 years. If you have any inquires concerning the products in this website, please do not hesitate to e-mail us by : sales@chinatungsten.com
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