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Features
Material: | Pure W and Doped W |
Purity: | 99.95%, 99.99%, 99.999% |
Process: | Extruding, Forging, Rolling, Machining and Sintering |
Size: | Per requirements |
Tungsten Electrode Description
Tungsten inert gas (TIG) welding is a popular type of welding that utilizes tungsten electrodes to join various metals. The tungsten electrode is a critical component in the process, as it channels the current required to establish the arc. The tungsten electrodes can be alloyed with a variety of metals. Different types and sizes of electrodes are used for different types of welds and materials, and welders develop preferences based on welding style and project. Certain electrode types perform better with alternating current (AC) as opposed to direct current (DC).
Tungsten's high melting point makes it an ideal material for electrodes. SSC specializes in producing high purity uniform shaped pure tungsten electrodes and other tungsten electrodes.
There are multiple types of tungsten electrode available at SSC as shown below.
● Pure Tungsten Electrode
Pure tungsten electrode contains at least 99.5% tungsten and delivers all of the properties classically associated with tungsten which include superior conductivity, durability, and performance. It is perfect for weld projects containing magnesium alloys or aluminum alloys.
● Thoriated Tungsten Electrode
Extremely long lasting and highly durable, these electrodes are a staple in DC welding applications. They are best for copper alloys, nickel alloys, titanium alloys, and non-corroding steels.
● Ceriated Tungsten Electrode
Ceriated tungsten electrodes are popular due to their extreme ease of striking an arc with lower amperages, and their extraordinary performance with regard to DC welding applications. They perform best with titanium alloys, copper alloys, magnesium alloys, aluminum alloys, nickel alloys, non-corroding steels, and low-alloyed steels.
● Lanthanated Tungsten Electrode
Lanthanated electrodes are popular due to the relative ease of striking an arc and lower amperage required. They perform exceptionally well in both AC & DC applications and are a popular general use electrode. They are effective for welding aluminum alloys, magnesium alloys, nickel alloys, copper alloys, titanium alloys, low-alloyed steels, and non-corroding steels.
Lanthanated electrodes with less lanthanum content are best used in DC applications. They are best for welds with titanium alloys, copper alloys, nickel alloys, and non-corroding steel.
● Yttriated Tungsten Electrode
Yittriated tungsten electrode is mainly applied in military and aviation industry. Its arc beam is slim and compressive in medium and high current situation and its welding penetration is maximum.
● Zirconiated Tungsten Electrode
Zirconiated tungsten electrodes handle higher amperage levels and work well with both transformer and inverter power sources, making them an excellent alternative option for magnesium and aluminum alloys.
● Composite Electrode
It's best used when welding Aluminum alloys, magnesium alloys, titanium alloys, nickel alloys, copper alloys, low-alloyed steels, and non-corrosive steels.
Specification of Tungsten Electrode
Item Name | Added Impurity (%) | Other Impurities (%) | Electric discharged power (eV) | Color code |
Pure Tungsten Electrode | --- | < 0.2% | 4.5eV | Green |
Thoriated Tungsten Electrode | ThO2 (0.90% ~ 1.20%) | < 0.2% | 2.0eV ~ 3.0eV | Yellow |
ThO2 (1.80% ~ 2.20%) | < 0.2% | 2.0eV ~ 3.0eV | Red | |
ThO2 (2.80% ~ 3.20%) | < 0.2% | 2.0eV ~ 3.0eV | Violet | |
ThO2 (3.80% ~ 4.20%) | < 0.2% | 2.0eV ~ 3.0eV | Orange | |
Ceriated Tungsten Electrode | CeO2 (1.80% ~ 2.20%) | < 0.2% | 2.7eV ~ 2.8eV | Grey |
Lanthanated Tungsten Electrode | La2O3 (0.80% ~ 1.20%) | < 0.2% | 2.8eV ~ 3.2eV | Black |
La2O3 (1.30% ~ 1.70%) | < 0.2% | 2.8eV ~ 3.0eV | Golden | |
La2O3 (1.80% ~ 2.20%) | < 0.2% | 2.6eV ~ 2.7eV | Azure | |
Yttriated Tungsten Electrode | Y2O3 (1.80% ~ 2.20%) | < 0.2% | 2.0eV ~ 3.9eV | Blue |
Zirconiated Tungsten Electrode | ZrO2 (0.20 ~ 0.40%) | < 0.2% | 2.6eV ~ 2.7eV | Brown |
ZrO2 (0.70% ~ 0.90%) | < 0.2% | 2.6eV ~ 2.7eV | White | |
Composite Electrode | CeO2, ThO2, La2O3, ZrO2, Y2O3 (1.50% ~ 3.00%) | < 0.2% | Grass green |
Tungsten Electrode Applications and Related Industries
● Tungsten Inert Gas (TIG) Welding
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