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Tungsten Electrode, W

HTWW1120

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Tungsten (W) Electrode is a commonly used consumable in TIG welding due to its high melting point and excellent heat resistance. Heeger Materials (HM) provides top-quality and customized Tungsten electrodes with the shortest lead time and competitive prices. We can provide pure tungsten electrodes and other tungsten electrodes doped trace rear earth elements.

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Data sheet

MaterialsTungsten&Tungsten alloy
PurityN/A

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Tungsten electrodes are made by pressing and molding tungsten powder through powder metallurgy techniques and then sintering and machining it into an electrode. When adding trace rare earth elements with lower emission work function, such as thorium (Th), cerium (Ce), or their oxides, such as thorium oxide (ThO2), cerium oxide (CeO2), etc., it can significantly improve electronic emission capability. The manufactured electrodes are marked with different colors to facilitate the identification and selection of the right type of electrode for a particular welding application.

Tungsten Electrode, W

Tungsten Electrode Specifications

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 Characteristics

  • Low electron emission function
  • High recrystallization temperature
  • Good mechanical cutting performance
  • High-temperature resistance
  • Strong electronic emission capability

Tungsten Electrode Applications

  • Inert gas-shielded arc welding
  • Plasma welding
  • Cutting
  • Spraying
  • Melting electrodes

Tungsten Electrode Packing

Tungsten electrodes are tagged and labeled externally to ensure efficient identification and quality control. Great care is taken to avoid any damage caused during storage or transportation. They will be packed in a carton box or wooden case supported with soft materials to ensure that the products thus packed will not shift inside the cases.

Tungsten Electrode, W

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